{"id":14648,"date":"2026-10-14T19:17:24","date_gmt":"2026-10-14T13:47:24","guid":{"rendered":"https:\/\/www.scaler.com\/blog\/?p=14648"},"modified":"2026-10-14T19:17:32","modified_gmt":"2026-10-14T13:47:32","slug":"how-to-improve-nlp-skills","status":"publish","type":"post","link":"https:\/\/www.scaler.com\/blog\/how-to-improve-nlp-skills\/","title":{"rendered":"How to Improve NLP Skills: A Practical Guide for 2026"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">A model can produce fluent text and still fail the job. It may classify a complaint incorrectly, retrieve the wrong policy, miss code-mixed language, expose a private field or generate an answer that sounds certain without evidence. Improving NLP skills means learning to build and evaluate language systems around these real failure modes, not only writing prompts or calling a model API.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This guide explains <strong>how to improve NLP skills<\/strong> through a practical sequence: Python and text data, classical NLP, embeddings and transformers, LLM applications, evaluation, deployment and portfolio work. It is designed for students, analysts, developers and early-career ML practitioners who want evidence of capability rather than a collection of disconnected tutorials.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"how-to-improve-nlp-skills-where-should-you-start\"><\/span><strong>How to improve NLP skills: where should you start?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Improve NLP skills by learning to work with text data before relying on large language models. Build Python and data foundations, practise tokenisation, classification and retrieval, learn transformers and embeddings, then develop evaluation, deployment and responsible-use habits through focused projects. Each project should have a defined task, labelled or reviewable data, success metric, error analysis and documented limits.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Do not try to learn every NLP library, architecture and benchmark at once. Choose one task, such as support-ticket routing, document classification, entity extraction or semantic search. Start with a baseline, measure it, identify errors and improve one component at a time. This is how NLP becomes an engineering skill rather than a demo.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Skill layer<\/strong><\/td><td><strong>What to learn<\/strong><\/td><td><strong>Evidence you can build<\/strong><\/td><\/tr><tr><td>Programming and data<\/td><td>Python, files, dataframes, regular expressions, JSON, Git and testing<\/td><td>A reproducible text-cleaning and analysis pipeline<\/td><\/tr><tr><td>Text fundamentals<\/td><td>Tokens, text normalisation, vocabulary, n-grams, labels and annotation quality<\/td><td>Exploratory report showing language, length, class balance and noisy examples<\/td><\/tr><tr><td>Classical NLP<\/td><td>TF-IDF, linear classifiers, Naive Bayes, similarity and feature baselines<\/td><td>A benchmark that compares a simple baseline with a more complex model<\/td><\/tr><tr><td>Representations<\/td><td>Word or sentence embeddings, semantic similarity and vector search<\/td><td>Retrieval results with relevance tests and access boundaries<\/td><\/tr><tr><td>Transformers and LLMs<\/td><td>Attention, tokenisation, pretrained models, fine-tuning, prompting and structured output<\/td><td>A bounded text task with a documented model choice and evaluation<\/td><\/tr><tr><td>Evaluation and safety<\/td><td>Precision, recall, F1, calibration, hallucination checks, privacy and bias review<\/td><td>Error slices, safety cases and a clear launch or no-launch decision<\/td><\/tr><tr><td>Deployment<\/td><td>APIs, batch jobs, logging, latency, feedback and versioning<\/td><td>A usable service or batch workflow with a README and monitoring plan<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<meta charset=\"UTF-8\">\n<meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n<title>Scaler Carousel<\/title>\n\n<!-- Plus Jakarta Sans Font -->\n<link href=\"https:\/\/fonts.googleapis.com\/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&amp;display=swap\" rel=\"stylesheet\">\n<!-- Swiper CSS -->\n<link rel=\"stylesheet\" href=\"https:\/\/cdn.jsdelivr.net\/npm\/swiper@11\/swiper-bundle.min.css\">\n\n<style>\n.scaler-carousel {\n  font-family: 'Plus Jakarta Sans', sans-serif;\n  max-width: 900px;\n  margin: 24px auto;\n  padding: 0;\n  box-sizing: border-box;\n}\n.scaler-carousel *,\n.scaler-carousel *::before,\n.scaler-carousel *::after {\n  box-sizing: border-box;\n}\n\n\/* Header *\/\n.scaler-header {\n  text-align: center;\n  margin-bottom: 20px;\n}\n.scaler-header-title {\n  font-size: 22px;\n  font-weight: 700;\n  color: #1a1a2e;\n  margin: 0 0 6px;\n  line-height: 1.2;\n}\n.scaler-header-subtitle {\n  font-size: 14px;\n  color: #6b7280;\n  margin: 0;\n  font-weight: 500;\n}\n\n\/* Swiper *\/\n.swiper.scaler-swiper {\n  padding-bottom: 48px;\n}\n.scaler-swiper .swiper-slide {\n  height: auto;\n  display: flex;\n  align-items: stretch;\n}\n\/* Navigation arrows \u2014 styled to match the topics HorizontalScroll controls *\/\n.scaler-swiper .swiper-button-next,\n.scaler-swiper .swiper-button-prev {\n  width: 46px;\n  height: 46px;\n  border-radius: 8px;\n  background: #ffffff;\n  box-shadow: 0 8px 16px 0 rgba(50, 71, 102, 0.16);\n  top: calc(50% - 24px); \/* centre on the cards, ignoring the pagination space below *\/\n  transform: translateY(-50%);\n  margin-top: 0;\n}\n.scaler-swiper .swiper-button-prev { left: 10px; }\n.scaler-swiper .swiper-button-next { right: 10px; }\n\/* hide Swiper's default font-icon arrow and draw the topics chevron via a mask *\/\n.scaler-swiper .swiper-button-next::after,\n.scaler-swiper .swiper-button-prev::after {\n  content: \"\";\n  width: 20px;\n  height: 20px;\n  background-color: #61738e;\n  -webkit-mask: url(\"data:image\/svg+xml,%3Csvg xmlns='http:\/\/www.w3.org\/2000\/svg' viewBox='0 0 32 32'%3E%3Cpath d='M5.313 16l10.688-10.688 10.688 10.688-1.938 1.875-7.438-7.438v16.25h-2.625v-16.25l-7.5 7.438z'\/%3E%3C\/svg%3E\") no-repeat center \/ contain;\n  mask: url(\"data:image\/svg+xml,%3Csvg xmlns='http:\/\/www.w3.org\/2000\/svg' viewBox='0 0 32 32'%3E%3Cpath d='M5.313 16l10.688-10.688 10.688 10.688-1.938 1.875-7.438-7.438v16.25h-2.625v-16.25l-7.5 7.438z'\/%3E%3C\/svg%3E\") no-repeat center \/ contain;\n}\n.scaler-swiper .swiper-button-prev::after { transform: rotate(-90deg); }\n.scaler-swiper .swiper-button-next::after { transform: rotate(90deg); }\n.scaler-swiper .swiper-button-disabled {\n  opacity: 0.35;\n  pointer-events: none;\n}\n.scaler-swiper .swiper-pagination-bullet-active {\n  background: #255aad;\n}\n\n\/* Card *\/\n.scaler-card {\n  display: flex;\n  flex-direction: column;\n  gap: 14px;\n  width: 100%;\n  background: #ffffff;\n  border: 1px solid #e5e7eb;\n  border-radius: 16px;\n  padding: 24px;\n  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);\n  transition: box-shadow 0.2s ease;\n}\n.scaler-card:hover {\n  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.10);\n}\n\n\/* NSDC badge *\/\n.scaler-badge {\n  display: inline-flex;\n  align-items: center;\n  align-self: flex-start;\n  background: #f3f4f6;\n  color: #111827;\n  font-size: 12px;\n  font-weight: 600;\n  padding: 4px 10px;\n  border-radius: 20px;\n  white-space: nowrap;\n  letter-spacing: 0.1px;\n}\n\n\/* Top: icon + title + description *\/\n.scaler-card-top {\n  display: flex;\n  align-items: flex-start;\n  gap: 12px;\n  min-height: 100px;\n}\n.scaler-icon-wrap {\n  display: flex;\n  align-items: center;\n  justify-content: center;\n  width: 64px;\n  height: 64px;\n  border-radius: 12px;\n  background: #f3f4f6;\n  color: #374151;\n  flex-shrink: 0;\n}\n.scaler-icon-wrap svg {\n  width: 26px;\n  height: 26px;\n}\n.scaler-card-top-content {\n  flex: 1;\n  min-width: 0;\n  display: flex;\n  flex-direction: column;\n  gap: 5px;\n}\n.scaler-title {\n  font-size: 16px;\n  font-weight: 700;\n  color: #111827;\n  margin: 0;\n  line-height: 1.35;\n}\n.scaler-desc {\n  font-size: 13px;\n  color: #6b7280;\n  margin: 0;\n  line-height: 1.45;\n}\n\n\/* Stats row *\/\n.scaler-stats {\n  display: flex;\n  border-top: 1px solid #e5e7eb;\n  border-bottom: 1px solid #e5e7eb;\n  padding: 12px 0;\n}\n.scaler-stat {\n  display: flex;\n  flex-direction: column;\n  align-items: center;\n  gap: 2px;\n  flex: 1;\n  min-width: 0;\n  text-align: center;\n}\n.scaler-stat:not(:last-child) {\n  border-right: 1px solid #d1d5db;\n}\n.scaler-stat-value {\n  font-size: 14px;\n  font-weight: 700;\n  color: #111827;\n  white-space: nowrap;\n}\n.scaler-stat-label {\n  font-size: 12px;\n  color: #9ca3af;\n}\n\n\/* Company logos *\/\n.scaler-logos {\n  display: flex;\n  align-items: center;\n  gap: 12px;\n  flex-wrap: nowrap;\n}\n.scaler-company-logo {\n  height: 20px !important;\n  width: auto !important;\n  max-width: 70px;\n  object-fit: contain;\n  display: inline-block;\n}\n.scaler-logo-more {\n  font-size: 12px;\n  color: #9ca3af;\n  white-space: nowrap;\n}\n.scaler-logo-strip {\n  display: block;\n  width: 100% !important;\n  max-width: 100%;\n  min-width: 0;\n  height: auto !important;\n  object-fit: contain;\n}\n\n\/* CTA *\/\n.scaler-card-btns {\n  margin-top: auto;\n}\n.scaler-card-btns button {\n  display: flex;\n  align-items: center;\n  justify-content: center;\n  gap: 8px;\n  width: 100%;\n  padding: 12px 16px;\n  border: none;\n  border-radius: 10px;\n  background-color: #255aad;\n  color: #ffffff;\n  font-family: 'Plus Jakarta Sans', sans-serif;\n  font-size: 14px;\n  font-weight: 600;\n  cursor: pointer;\n  text-decoration: none;\n  transition: opacity 0.15s ease;\n}\n.scaler-card-btns button:hover,\n.scaler-card-btns button:focus {\n  opacity: 0.88;\n  color: #ffffff;\n}\n.scaler-card-btns button svg {\n  flex-shrink: 0;\n}\n\n@media (max-width: 1000px) {\n  .scaler-carousel { max-width: 96vw; }\n}\n<\/style>\n\n\n<div class=\"scaler-carousel\">\n  <div class=\"scaler-header\">\n    <h2 class=\"scaler-header-title\"><span class=\"ez-toc-section\" id=\"transform-your-career\"><\/span>Transform Your Career<span class=\"ez-toc-section-end\"><\/span><\/h2>\n    <p class=\"scaler-header-subtitle\">Choose from our industry-leading programs designed for career success<\/p>\n  <\/div>\n\n  <div class=\"swiper scaler-swiper\">\n    <div class=\"swiper-wrapper\">\n\n      <!-- CARD 1 -->\n      <div class=\"swiper-slide\">\n        <div class=\"scaler-card\">\n          <div class=\"scaler-badge\">NSDC Certified<\/div>\n          <div class=\"scaler-card-top\">\n            <div class=\"scaler-icon-wrap\">\n              <svg width=\"26\" height=\"26\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"16 18 22 12 16 6\"><\/polyline><polyline points=\"8 6 2 12 8 18\"><\/polyline><\/svg>\n            <\/div>\n            <div class=\"scaler-card-top-content\">\n              <h3 class=\"scaler-title\">Modern Software and AI Engineering Program<\/h3>\n              <p class=\"scaler-desc\">Master full-stack development with AI integration<\/p>\n            <\/div>\n          <\/div>\n          <div class=\"scaler-stats\">\n            <div class=\"scaler-stat\"><span class=\"scaler-stat-value\">12 Months<\/span><span class=\"scaler-stat-label\">Duration<\/span><\/div>\n            <div class=\"scaler-stat\"><span class=\"scaler-stat-value\">AI-Led<\/span><span class=\"scaler-stat-label\">Curriculum<\/span><\/div>\n            <div class=\"scaler-stat\"><span class=\"scaler-stat-value\">Career Support<\/span><span class=\"scaler-stat-label\">Support<\/span><\/div>\n          <\/div>\n          <div class=\"scaler-logos\">\n            <img decoding=\"async\" class=\"scaler-company-logo\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/2\/2f\/Google_2015_logo.svg\" alt=\"Google\" loading=\"lazy\">\n            <img decoding=\"async\" class=\"scaler-company-logo\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/a\/a9\/Amazon_logo.svg\" alt=\"Amazon\" loading=\"lazy\">\n            <img decoding=\"async\" class=\"scaler-company-logo\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/4\/42\/Paytm_logo.png\" alt=\"Paytm\" loading=\"lazy\">\n            <span class=\"scaler-logo-more\">+1000 more<\/span>\n          <\/div>\n          <div class=\"scaler-card-btns\">\n            <button onclick=\"window.open('https:\/\/www.scaler.com\/academy\/', '_blank')\">\n              Go to Program\n              <svg width=\"14\" height=\"14\" viewBox=\"0 0 16 16\" fill=\"none\" aria-hidden=\"true\"><path d=\"M3 8H13M13 8L9 4M13 8L9 12\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><\/path><\/svg>\n            <\/button>\n          <\/div>\n        <\/div>\n      <\/div>\n\n <!-- CARD 2 -->\n      <div class=\"swiper-slide\">\n        <div class=\"scaler-card\">\n          <div class=\"scaler-badge\">NSDC Certified<\/div>\n          <div class=\"scaler-card-top\">\n            <div class=\"scaler-icon-wrap\">\n              <svg width=\"26\" height=\"26\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><polyline points=\"16 18 22 12 16 6\"><\/polyline><polyline points=\"8 6 2 12 8 18\"><\/polyline><\/svg>\n            <\/div>\n            <div class=\"scaler-card-top-content\">\n              <h3 class=\"scaler-title\">AI Forward Deployed Engineer with Specialisation in AI applications<\/h3>\n              <p class=\"scaler-desc\">Build and deploy AI solutions for real-world business problems<\/p>\n            <\/div>\n          <\/div>\n          <div class=\"scaler-stats\">\n            <div class=\"scaler-stat\"><span class=\"scaler-stat-value\">12 Months<\/span><span class=\"scaler-stat-label\">Duration<\/span><\/div>\n            <div class=\"scaler-stat\"><span class=\"scaler-stat-value\">AI-Led<\/span><span class=\"scaler-stat-label\">Curriculum<\/span><\/div>\n            <div class=\"scaler-stat\"><span class=\"scaler-stat-value\">Career Support<\/span><span class=\"scaler-stat-label\">Support<\/span><\/div>\n          <\/div>\n          <div class=\"scaler-logos\">\n            <img decoding=\"async\" class=\"scaler-company-logo\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/2\/2f\/Google_2015_logo.svg\" alt=\"Google\" loading=\"lazy\">\n            <img decoding=\"async\" class=\"scaler-company-logo\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/a\/a9\/Amazon_logo.svg\" alt=\"Amazon\" loading=\"lazy\">\n            <img decoding=\"async\" class=\"scaler-company-logo\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/4\/42\/Paytm_logo.png\" alt=\"Paytm\" loading=\"lazy\">\n            <span class=\"scaler-logo-more\">+1000 more<\/span>\n          <\/div>\n          <div class=\"scaler-card-btns\">\n            <button onclick=\"window.open('https:\/\/www.scaler.com\/ai-forward-deployed-engineer-course\/', '_blank')\">\n              Go to Program\n              <svg width=\"14\" height=\"14\" viewBox=\"0 0 16 16\" fill=\"none\" aria-hidden=\"true\"><path d=\"M3 8H13M13 8L9 4M13 8L9 12\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><\/path><\/svg>\n            <\/button>\n          <\/div>\n        <\/div>\n      <\/div>\n\n      <!-- CARD 3 -->\n      <div class=\"swiper-slide\">\n        <div class=\"scaler-card\">\n          <div class=\"scaler-badge\">NSDC Certified<\/div>\n          <div class=\"scaler-card-top\">\n            <div class=\"scaler-icon-wrap\">\n              <svg width=\"26\" height=\"26\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><ellipse cx=\"12\" cy=\"5\" rx=\"9\" ry=\"3\"><\/ellipse><path d=\"M3 5v14c0 1.66 4.03 3 9 3s9-1.34 9-3V5\"><\/path><path d=\"M3 12c0 1.66 4.03 3 9 3s9-1.34 9-3\"><\/path><\/svg>\n            <\/div>\n            <div class=\"scaler-card-top-content\">\n              <h3 class=\"scaler-title\">Modern Data Science and ML with specialisation in AI<\/h3>\n              <p class=\"scaler-desc\">Advanced data science techniques with AI specialization<\/p>\n            <\/div>\n          <\/div>\n          <div class=\"scaler-stats\">\n            <div class=\"scaler-stat\"><span class=\"scaler-stat-value\">12 Months<\/span><span class=\"scaler-stat-label\">Duration<\/span><\/div>\n            <div class=\"scaler-stat\"><span class=\"scaler-stat-value\">AI-Led<\/span><span class=\"scaler-stat-label\">Curriculum<\/span><\/div>\n            <div class=\"scaler-stat\"><span class=\"scaler-stat-value\">Career Support<\/span><span class=\"scaler-stat-label\">Support<\/span><\/div>\n          <\/div>\n          <div class=\"scaler-logos\">\n            <img decoding=\"async\" class=\"scaler-company-logo\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/2\/2f\/Google_2015_logo.svg\" alt=\"Google\" loading=\"lazy\">\n            <img decoding=\"async\" class=\"scaler-company-logo\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/a\/a9\/Amazon_logo.svg\" alt=\"Amazon\" loading=\"lazy\">\n            <img decoding=\"async\" class=\"scaler-company-logo\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/4\/42\/Paytm_logo.png\" alt=\"Paytm\" loading=\"lazy\">\n            <span class=\"scaler-logo-more\">+1000 more<\/span>\n          <\/div>\n          <div class=\"scaler-card-btns\">\n            <button onclick=\"window.open('https:\/\/www.scaler.com\/data-science-course\/', '_blank')\">\n              Go to Program\n              <svg width=\"14\" height=\"14\" viewBox=\"0 0 16 16\" fill=\"none\" aria-hidden=\"true\"><path d=\"M3 8H13M13 8L9 4M13 8L9 12\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><\/path><\/svg>\n            <\/button>\n          <\/div>\n        <\/div>\n      <\/div>\n\n      <!-- CARD 4 -->\n      <div class=\"swiper-slide\">\n        <div class=\"scaler-card\">\n          <div class=\"scaler-badge\">NSDC Certified<\/div>\n          <div class=\"scaler-card-top\">\n            <div class=\"scaler-icon-wrap\">\n              <svg width=\"26\" height=\"26\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M12 2L13.5 8.5L20 10L13.5 11.5L12 18L10.5 11.5L4 10L10.5 8.5L12 2Z\"><\/path><\/svg>\n            <\/div>\n            <div class=\"scaler-card-top-content\">\n              <h3 class=\"scaler-title\">Advanced AIML with Specialisation in Agentic AI<\/h3>\n              <p class=\"scaler-desc\">Deep dive into AIML with focus on Agentic systems<\/p>\n            <\/div>\n          <\/div>\n          <div class=\"scaler-stats\">\n            <div class=\"scaler-stat\"><span class=\"scaler-stat-value\">12 Months<\/span><span class=\"scaler-stat-label\">Duration<\/span><\/div>\n            <div class=\"scaler-stat\"><span class=\"scaler-stat-value\">AI-Led<\/span><span class=\"scaler-stat-label\">Curriculum<\/span><\/div>\n            <div class=\"scaler-stat\"><span class=\"scaler-stat-value\">Career Support<\/span><span class=\"scaler-stat-label\">Support<\/span><\/div>\n          <\/div>\n          <div class=\"scaler-logos\">\n            <img decoding=\"async\" class=\"scaler-company-logo\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/2\/2f\/Google_2015_logo.svg\" alt=\"Google\" loading=\"lazy\">\n            <img decoding=\"async\" class=\"scaler-company-logo\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/a\/a9\/Amazon_logo.svg\" alt=\"Amazon\" loading=\"lazy\">\n            <img decoding=\"async\" class=\"scaler-company-logo\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/4\/42\/Paytm_logo.png\" alt=\"Paytm\" loading=\"lazy\">\n            <span class=\"scaler-logo-more\">+1000 more<\/span>\n          <\/div>\n          <div class=\"scaler-card-btns\">\n            <button onclick=\"window.open('https:\/\/www.scaler.com\/ai-machine-learning-course\/', '_blank')\">\n              Go to Program\n              <svg width=\"14\" height=\"14\" viewBox=\"0 0 16 16\" fill=\"none\" aria-hidden=\"true\"><path d=\"M3 8H13M13 8L9 4M13 8L9 12\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><\/path><\/svg>\n            <\/button>\n          <\/div>\n        <\/div>\n      <\/div>\n\n      <!-- CARD 5 -->\n      <div class=\"swiper-slide\">\n        <div class=\"scaler-card\">\n          <div class=\"scaler-badge\">NSDC Certified<\/div>\n          <div class=\"scaler-card-top\">\n            <div class=\"scaler-icon-wrap\">\n              <svg width=\"26\" height=\"26\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\">\n                <path d=\"M17.5 19H9a7 7 0 1 1 6.71-9h1.79a4.5 4.5 0 1 1 0 9Z\"><\/path>\n                <path d=\"M9.2 15.2a3 3 0 1 0 4.24-4.24\"><\/path>\n              <\/svg>\n            <\/div>\n            <div class=\"scaler-card-top-content\">\n              <h3 class=\"scaler-title\">DevOps, Cloud &amp; AI Platform Engineering<\/h3>\n              <p class=\"scaler-desc\">Build and manage AI-powered cloud infrastructure<\/p>\n            <\/div>\n          <\/div>\n          <div class=\"scaler-stats\">\n            <div class=\"scaler-stat\"><span class=\"scaler-stat-value\">12 Months<\/span><span class=\"scaler-stat-label\">Duration<\/span><\/div>\n            <div class=\"scaler-stat\"><span class=\"scaler-stat-value\">AI-Led<\/span><span class=\"scaler-stat-label\">Curriculum<\/span><\/div>\n            <div class=\"scaler-stat\"><span class=\"scaler-stat-value\">Career Support<\/span><span class=\"scaler-stat-label\">Support<\/span><\/div>\n          <\/div>\n          <div class=\"scaler-logos\">\n            <img decoding=\"async\" class=\"scaler-company-logo\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/2\/2f\/Google_2015_logo.svg\" alt=\"Google\" loading=\"lazy\">\n            <img decoding=\"async\" class=\"scaler-company-logo\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/a\/a9\/Amazon_logo.svg\" alt=\"Amazon\" loading=\"lazy\">\n            <img decoding=\"async\" class=\"scaler-company-logo\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/4\/42\/Paytm_logo.png\" alt=\"Paytm\" loading=\"lazy\">\n            <span class=\"scaler-logo-more\">+1000 more<\/span>\n          <\/div>\n          <div class=\"scaler-card-btns\">\n            <button onclick=\"window.open('https:\/\/www.scaler.com\/devops-course\/', '_blank')\">\n              Go to Program\n              <svg width=\"14\" height=\"14\" viewBox=\"0 0 16 16\" fill=\"none\" aria-hidden=\"true\"><path d=\"M3 8H13M13 8L9 4M13 8L9 12\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><\/path><\/svg>\n            <\/button>\n          <\/div>\n        <\/div>\n      <\/div>\n\n      <!-- CARD 6 -->\n      <div class=\"swiper-slide\">\n        <div class=\"scaler-card\">\n          <div class=\"scaler-badge\">NSDC Certified<\/div>\n          <div class=\"scaler-card-top\">\n            <div class=\"scaler-icon-wrap\">\n              <svg width=\"26\" height=\"26\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\">\n                <line x1=\"3\" y1=\"22\" x2=\"21\" y2=\"22\"><\/line>\n                <line x1=\"6\" y1=\"18\" x2=\"6\" y2=\"11\"><\/line>\n                <line x1=\"10\" y1=\"18\" x2=\"10\" y2=\"11\"><\/line>\n                <line x1=\"14\" y1=\"18\" x2=\"14\" y2=\"11\"><\/line>\n                <line x1=\"18\" y1=\"18\" x2=\"18\" y2=\"11\"><\/line>\n                <polygon points=\"12 2 20 7 4 7\"><\/polygon>\n              <\/svg>\n            <\/div>\n            <div class=\"scaler-card-top-content\">\n              <h3 class=\"scaler-title\">AI Engineering Advanced Certification by IIT-Roorkee<\/h3>\n              <p class=\"scaler-desc\">Premier AI engineering certification from IIT-Roorkee<\/p>\n            <\/div>\n          <\/div>\n          <div class=\"scaler-stats\">\n            <div class=\"scaler-stat\"><span class=\"scaler-stat-value\">3 Months<\/span><span class=\"scaler-stat-label\">Duration<\/span><\/div>\n            <div class=\"scaler-stat\"><span class=\"scaler-stat-value\">AI-Led<\/span><span class=\"scaler-stat-label\">Curriculum<\/span><\/div>\n            <div class=\"scaler-stat\"><span class=\"scaler-stat-value\">Career Support<\/span><span class=\"scaler-stat-label\">Support<\/span><\/div>\n          <\/div>\n          <div class=\"scaler-logos\">\n            <img decoding=\"async\" class=\"scaler-logo-strip\" src=\"https:\/\/scaler-blog-prod-wp-content.s3.ap-south-1.amazonaws.com\/wp-content\/uploads\/2026\/07\/08135139\/iitr-icons-strip.png\" alt=\"Program highlights\" loading=\"lazy\">\n          <\/div>\n          <div class=\"scaler-card-btns\">\n            <button onclick=\"window.open('https:\/\/www.scaler.com\/iit-roorkee-advanced-ai-engineering-course\/', '_blank')\">\n              Go to Program\n              <svg width=\"14\" height=\"14\" viewBox=\"0 0 16 16\" fill=\"none\" aria-hidden=\"true\"><path d=\"M3 8H13M13 8L9 4M13 8L9 12\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><\/path><\/svg>\n            <\/button>\n          <\/div>\n        <\/div>\n      <\/div>\n\n      <!-- Continue for remaining cards (6\u20138) using same pattern -->\n\n    <\/div>\n    <div class=\"swiper-button-next\"><\/div>\n    <div class=\"swiper-button-prev\"><\/div>\n    <div class=\"swiper-pagination\"><\/div>\n  <\/div>\n<\/div>\n\n<!-- Swiper.js -->\n<script src=\"https:\/\/cdn.jsdelivr.net\/npm\/swiper@11\/swiper-bundle.min.js\"><\/script>\n<script>\ndocument.addEventListener(\"DOMContentLoaded\", function () {\n  const pathParts = window.location.pathname.split(\"\/\").filter(Boolean);\n  const slug = pathParts[pathParts.length - 1] || \"\";\n  const readableSlug = encodeURIComponent(slug);\n  const buttons = document.querySelectorAll(\".scaler-card-btns button\");\n\n  buttons.forEach((btn) => {\n    const baseURL = btn.getAttribute(\"onclick\").match(\/'(.*?)'\/)[1];\n    if (!baseURL.includes(\"utm_source=\")) {\n      const separator = baseURL.includes(\"?\") ? \"&\" : \"?\";\n      const updatedURL = `${baseURL}${separator}utm_source=blog&utm_medium=program_carousel&utm_content=${readableSlug}`;\n      btn.setAttribute(\"onclick\", `window.open('${updatedURL}', '_blank')`);\n    }\n  });\n\n  new Swiper(\".scaler-swiper\", {\n    slidesPerView: 1,\n    spaceBetween: 28,\n    grabCursor: true,\n    navigation: { nextEl: \".swiper-button-next\", prevEl: \".swiper-button-prev\" },\n    pagination: { el: \".swiper-pagination\", dynamicBullets: true, clickable: true },\n    breakpoints: { 1000: { slidesPerView: 2 } },\n    keyboard: { enabled: true },\n  });\n});\n<\/script>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"what-foundations-do-you-need-for-nlp\"><\/span><strong>What foundations do you need for NLP?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Python, data structures and text files<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">NLP work begins with messy text: CSV files with broken encodings, JSON records, documents with missing fields and logs with unexpected language. Learn Python functions, loops, dictionaries, lists, exceptions, file handling, dataframes and plotting. You should also understand UTF-8, Unicode normalisation and why character counts are not the same as tokens.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Use a structured <a href=\"https:\/\/www.scaler.com\/topics\/python\/\">Python tutorial<\/a> if you are building these foundations. Then practise loading text safely, validating columns, removing duplicates, tracking a record ID and writing outputs that another person can reproduce. A model is only as reliable as the pipeline that prepares its input.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Statistics and machine-learning basics<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">You need enough statistics to reason about variation, sample size, imbalance, train and test splits and whether a metric improvement is meaningful. Learn supervised versus unsupervised learning, classification, regression, clustering, cross-validation, data leakage, bias and variance. This knowledge lets you decide whether a deep model is justified or a simple baseline is already enough.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Linguistic awareness<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">You do not need to become a linguist, but understand morphology, word sense, named entities, syntax, ambiguity, context and pragmatics. Natural language is not a clean database field. The phrase &#8220;not bad&#8221; can be positive, sarcasm can invert a sentiment and a word may be a person, product or location depending on context. Build systems that account for uncertainty rather than hiding it.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"which-nlp-topics-should-you-master-first\"><\/span><strong>Which NLP topics should you master first?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Text cleaning, tokenisation and labels<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Text preprocessing is task-dependent. Lowercasing, punctuation removal and stop-word removal may help a basic classifier but harm named-entity extraction, sentiment or text generation. Start by inspecting the raw records. Decide what should be retained, transformed or redacted, then keep the raw source and transformation version separate.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tokenisation converts text into units a model can handle. Different tokenisers split words, subwords and punctuation differently, so measure length using the tokeniser of the model you will use. Learn label definitions and annotation guidelines too. An inconsistent label set creates a ceiling that a better model cannot solve.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Classical baselines and text classification<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Before a transformer, build a baseline such as bag-of-words or TF-IDF features plus logistic regression or a linear classifier. For a ticket-routing task, the baseline may reveal that clear product keywords solve most cases. It becomes the yardstick for a later embedding or transformer model.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Evaluate class-wise precision, recall and F1 score, not only accuracy. If the rare fraud or escalation category has poor recall, an impressive overall accuracy may be irrelevant. Read false positives and false negatives. They often reveal a labelling or workflow problem, not a model-tuning problem.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Embeddings and semantic retrieval<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Embeddings represent text as vectors that can be compared for similarity. They support search, clustering, recommendations and retrieval-augmented generation. Improving this skill means more than calling an embedding endpoint. Learn chunking, metadata, filters, semantic versus keyword search, reranking, index updates, relevance evaluation and access control.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For a document assistant, test whether retrieved passages actually support the answer. Include questions with no answer, conflicting document versions, permission boundaries and ambiguous wording. A retrieval system that returns polished but unrelated text is not grounded simply because it uses vectors.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Transformers, pretrained models and fine-tuning<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Transformers use attention to model relationships within a sequence. Learn embeddings, positional information, self-attention, encoder and decoder patterns, context windows and pretrained representations at a conceptual level. You do not need to implement a transformer from scratch before using one, but you should understand its input limits and why tokenisation matters.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Use a pretrained model for a bounded task before considering fine-tuning. Fine-tuning can help when you have high-quality, representative labelled data and a specific performance gap. It also introduces data governance, training, evaluation and maintenance costs. A better prompt, clearer schema, retrieval layer or workflow may solve the actual problem more safely.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>LLM applications and structured output<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Modern NLP includes building around large language models: prompts, retrieval, tool use, structured output and evaluation. Treat a language model as one component inside a system. Keep permissions, business rules and consequential actions in deterministic services, not in model instructions.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Require outputs to fit a schema where a downstream system needs fields such as category, confidence, citation or draft action. Validate that schema outside the model. Start with read-only or draft workflows. A fluent text response is not permission to create a ticket, issue a refund or change a record.<\/p>\n\n\n<meta charset=\"UTF-8\">\n    <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n\n    <!-- Source Sans Pro (topics font) -->\n    <link href=\"https:\/\/fonts.googleapis.com\/css2?family=Source+Sans+3:wght@400;600;700&#038;display=swap\" rel=\"stylesheet\">\n    <link rel=\"stylesheet\" href=\"https:\/\/cdn.jsdelivr.net\/npm\/swiper@11\/swiper-bundle.min.css\">\n    <script src=\"https:\/\/cdn.jsdelivr.net\/npm\/swiper@11\/swiper-bundle.min.js\"><\/script>\n\n    <style>\n      :root {\n        \/* topics design tokens (variables.scss) *\/\n        --scaler-primary: #005bb3;          \/* primary-color-80 *\/\n        --scaler-primary-30: #8acaff;       \/* primary-color-30 *\/\n        --scaler-brand-blue: #255aad;\n        --scaler-live: #ee001d;             \/* accent-v5-60 *\/\n        --scaler-live-bg: #ffe6e9;          \/* accent-v5-10 *\/\n        --scaler-card-bg: #ffffff;          \/* neutral-scale-0 *\/\n        --scaler-surface: #f4f6f9;          \/* neutral-scale-2 *\/\n        --scaler-text-primary: #1a2c47;     \/* neutral-scale-12 *\/\n        --scaler-text-secondary: #61738e;   \/* neutral-scale-9 *\/\n        --scaler-border: #d6dee5;           \/* neutral-scale-4 *\/\n        --scaler-radius: 16px;\n        --scaler-radius-sm: 8px;\n        --scaler-shadow: 0 8px 16px 0 rgba(50, 71, 102, 0.16);\n      }\n\n      .scaler-events-carousel * { box-sizing: border-box; }\n\n      .scaler-events-carousel {\n        font-family: \"Source Sans 3\", \"Source Sans Pro\", \"Roboto\", Arial, sans-serif;\n        padding: 24px;\n        position: relative;\n        width: 100%;\n      }\n      .scaler-events-carousel__inner {\n        max-width: 1000px;\n        margin: 0 auto;\n        position: relative;\n        width: 100%;\n      }\n\n      \/* Header \u2014 calendar icon + \"Live Masterclasses\" *\/\n      .scaler-events-header {\n        display: flex;\n        align-items: center;\n        gap: 8px;\n        margin-bottom: 8px;\n        padding: 8px 0;\n      }\n      .scaler-events-header__icon { display: inline-flex; color: var(--scaler-text-primary); }\n      .scaler-events-header__icon svg { width: 24px; height: 24px; }\n      .scaler-events-header__title {\n        font-size: 18px;\n        font-weight: 700;\n        color: var(--scaler-text-primary);\n        line-height: 1.3;\n        margin: 0;\n      }\n\n      \/* Swiper wrap (holds side arrows) *\/\n      .scaler-events-swiper-wrap { position: relative; }\n      .scaler-events-carousel .swiper { width: 100%; padding: 4px; }\n      .scaler-event-swiper .swiper-slide {\n        width: 296px;          \/* topics card_container width *\/\n        height: auto;\n        display: flex;\n      }\n\n      \/* Event Card \u2014 matches topics EventCard *\/\n      .scaler-event-card {\n        background: var(--scaler-card-bg);\n        border: 1px solid var(--scaler-border);\n        border-radius: var(--scaler-radius);\n        padding: 16px;\n        display: flex;\n        flex-direction: column;\n        height: 100%;\n        width: 100%;\n        cursor: pointer;\n      }\n\n      \/* Header row: headshot + title\/name *\/\n      .scaler-event-card__header { display: flex; align-items: flex-start; }\n      .scaler-event-card__image-wrapper {\n        position: relative;\n        width: 88px;\n        height: 88px;\n        min-width: 88px;\n        border-radius: var(--scaler-radius-sm);\n        overflow: hidden;\n        background: var(--scaler-primary-30);\n      }\n      .scaler-event-card__image {\n        position: absolute;\n        top: 0; left: 0;\n        width: 100%; height: 100%;\n        object-fit: cover;\n      }\n      \/* attendee-count footer (default) *\/\n      .scaler-event-card__img-footer {\n        position: absolute;\n        left: 0; right: 0; bottom: 0;\n        display: flex;\n        align-items: center;\n        justify-content: center;\n        gap: 4px;\n        padding: 1px 8px;\n        background: var(--scaler-surface);\n        color: var(--scaler-text-primary);\n        font-size: 13px;\n        line-height: 22px;\n      }\n      .scaler-event-card__img-footer svg { width: 14px; height: 14px; }\n      \/* live chip (shown when status === current) *\/\n      .scaler-event-card__live-badge {\n        position: absolute;\n        left: 0; right: 0; bottom: 0;\n        display: flex;\n        align-items: center;\n        justify-content: center;\n        gap: 5px;\n        padding: 1px 8px;\n        background: var(--scaler-live-bg);\n        color: var(--scaler-live);\n        font-size: 12px;\n        line-height: 22px;\n        text-transform: uppercase;\n        letter-spacing: 0.18em;\n      }\n      .scaler-event-card__live-badge::before {\n        content: \"\";\n        width: 6px; height: 6px;\n        background: var(--scaler-live);\n        border-radius: 50%;\n      }\n      .scaler-event-card__text { margin-left: 16px; min-width: 0; }\n      .scaler-event-card__title {\n        font-size: 20px;\n        font-weight: 600;\n        color: var(--scaler-text-primary);\n        margin: 0;\n        line-height: 1.4;\n        display: -webkit-box;\n        -webkit-line-clamp: 2;\n        -webkit-box-orient: vertical;\n        overflow: hidden;\n      }\n      .scaler-event-card__speaker {\n        margin-top: 8px;\n        font-size: 14px;\n        line-height: 1.4;\n        color: var(--scaler-text-primary);\n      }\n\n      \/* Takeaways *\/\n      .scaler-event-card__takeaways {\n        margin-top: 12px;\n        min-height: 50px;\n        max-height: 50px;\n        overflow: hidden;\n      }\n      .scaler-event-card__takeaway-item {\n        display: flex;\n        align-items: flex-start;\n        gap: 6px;\n      }\n      .scaler-event-card__dot {\n        width: 4px; height: 4px;\n        min-width: 4px;\n        border-radius: 50%;\n        background: var(--scaler-text-secondary);\n        margin-top: 11px;\n      }\n      .scaler-event-card__takeaway-text {\n        flex: 1;\n        min-width: 0;\n        font-size: 14px;\n        line-height: 24px;\n        color: var(--scaler-text-primary);\n        white-space: nowrap;\n        overflow: hidden;\n        text-overflow: ellipsis;\n      }\n      .scaler-event-card__knowmore,\n      .scaler-event-card__knowmore:link,\n      .scaler-event-card__knowmore:visited {\n        flex-shrink: 0;\n        font-size: 14px;\n        line-height: 24px;\n        color: var(--scaler-primary) !important;\n        text-decoration: none;\n        white-space: nowrap;\n      }\n      .scaler-event-card__knowmore:hover { text-decoration: underline; }\n\n      \/* Date + duration *\/\n      .scaler-event-card__meta {\n        display: flex;\n        align-items: center;\n        justify-content: space-between;\n        margin-top: 20px;\n        font-size: 13px;\n        line-height: 24px;\n        color: var(--scaler-text-primary);\n      }\n      .scaler-event-card__duration {\n        display: flex;\n        align-items: center;\n        gap: 4px;\n      }\n      .scaler-event-card__duration svg { width: 15px; height: 15px; }\n\n      .scaler-event-card__spacer { flex-grow: 1; min-height: 4px; }\n\n      \/* CTA \u2014 outlined \"Register with 1-Click\" *\/\n      .scaler-event-card__cta,\n      .scaler-event-card__cta:link,\n      .scaler-event-card__cta:visited {\n        display: flex;\n        align-items: center;\n        justify-content: center;\n        width: 100%;\n        margin-top: 16px;\n        padding: 8px;\n        background: transparent;\n        color: var(--scaler-primary) !important;\n        font-family: inherit;\n        font-size: 14px;\n        font-weight: 600;\n        line-height: 24px;\n        text-decoration: none;\n        border: 1px solid var(--scaler-primary);\n        border-radius: var(--scaler-radius-sm);\n        cursor: pointer;\n        transition: background 0.2s ease, color 0.2s ease;\n      }\n      .scaler-event-card__cta:hover,\n      .scaler-event-card__cta:focus {\n        background: var(--scaler-primary);\n        color: #fff !important;\n      }\n\n      \/* Side navigation arrows *\/\n      .scaler-events-nav__btn {\n        position: absolute !important;\n        top: 50% !important;\n        transform: translateY(-50%) !important;\n        z-index: 2;\n        width: 46px !important;\n        height: 46px !important;\n        min-width: 46px;\n        display: flex !important;\n        align-items: center;\n        justify-content: center;\n        padding: 0 !important;\n        background: var(--scaler-card-bg) !important;\n        border: none !important;\n        border-radius: var(--scaler-radius-sm) !important;\n        box-shadow: var(--scaler-shadow) !important;\n        color: var(--scaler-text-secondary) !important;\n        cursor: pointer;\n        transition: opacity 0.2s ease, visibility 0.2s ease;\n      }\n      .scaler-nav-prev { left: 8px !important; }\n      .scaler-nav-next { right: 8px !important; }\n      .scaler-events-nav__btn svg {\n        width: 20px !important;\n        height: 20px !important;\n        fill: var(--scaler-text-secondary) !important;\n      }\n      .scaler-events-nav__btn.swiper-button-disabled {\n        opacity: 0;\n        visibility: hidden;\n        pointer-events: none;\n      }\n\n      \/* View All Events *\/\n      .scaler-events-viewall,\n      .scaler-events-viewall:link,\n      .scaler-events-viewall:visited {\n        display: flex;\n        align-items: center;\n        justify-content: center;\n        gap: 6px;\n        margin-top: 12px;\n        font-size: 14px;\n        font-weight: 600;\n        color: var(--scaler-brand-blue) !important;\n        text-decoration: none;\n      }\n      .scaler-events-viewall:hover { text-decoration: underline; }\n      .scaler-events-viewall svg { width: 16px; height: 16px; fill: var(--scaler-brand-blue); }\n\n      \/* hide swiper defaults *\/\n      .scaler-events-pagination { display: none; }\n      .scaler-events-carousel .swiper-button-prev,\n      .scaler-events-carousel .swiper-button-next { display: none; }\n\n      \/* Skeleton & Empty States *\/\n      .scaler-event-card--skeleton { pointer-events: none; }\n      .scaler-event-card--skeleton .scaler-event-card__image-wrapper,\n      .scaler-event-card--skeleton .scaler-event-card__title,\n      .scaler-event-card--skeleton .scaler-event-card__speaker,\n      .scaler-event-card--skeleton .scaler-event-card__takeaways,\n      .scaler-event-card--skeleton .scaler-event-card__meta,\n      .scaler-event-card--skeleton .scaler-event-card__cta {\n        background: linear-gradient(90deg, var(--scaler-border) 25%, var(--scaler-surface) 50%, var(--scaler-border) 75%);\n        background-size: 200% 100%;\n        animation: shimmer 1.5s infinite;\n        color: transparent !important;\n        border-color: transparent !important;\n        border-radius: 4px;\n      }\n      .scaler-event-card--skeleton .scaler-event-card__title { min-height: 44px; }\n      .scaler-event-card--skeleton .scaler-event-card__speaker { min-height: 16px; }\n      .scaler-event-card--skeleton .scaler-event-card__meta { min-height: 24px; }\n      .scaler-event-card--skeleton .scaler-event-card__cta { min-height: 40px; }\n      .scaler-event-card--skeleton .scaler-event-card__image,\n      .scaler-event-card--skeleton .scaler-event-card__img-footer,\n      .scaler-event-card--skeleton .scaler-event-card__live-badge { display: none; }\n\n      @keyframes shimmer {\n        0% { background-position: 200% 0; }\n        100% { background-position: -200% 0; }\n      }\n\n      .scaler-events-empty {\n        text-align: center;\n        padding: 40px 20px;\n        color: var(--scaler-text-secondary);\n        font-size: 15px;\n      }\n\n      @media (max-width: 768px) {\n        .scaler-events-carousel { padding: 16px; }\n        .scaler-event-swiper .swiper-slide { width: calc(100vw - 52px); }\n        .scaler-events-nav__btn { display: none; }\n      }\n    <\/style>\n\n\n\n    <div class=\"scaler-events-carousel js-scaler-carousel\">\n\n      <template class=\"js-event-card-template\">\n        <div class=\"swiper-slide\">\n          <article class=\"scaler-event-card\">\n            <div class=\"scaler-event-card__header\">\n              <div class=\"scaler-event-card__image-wrapper\">\n                <img decoding=\"async\" src=\"\" alt=\"\" class=\"scaler-event-card__image\" loading=\"lazy\">\n                <div class=\"scaler-event-card__img-footer\">\n                  <svg fill=\"currentColor\" viewBox=\"0 0 32 32\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M11.199 7.957c-3.086 0-5.588 2.502-5.588 5.588s2.502 5.588 5.588 5.588c3.086 0 5.588-2.502 5.588-5.588s-2.502-5.588-5.588-5.588zM3.611 13.545c0-4.191 3.397-7.588 7.588-7.588s7.588 3.397 7.588 7.588c0 4.191-3.397 7.588-7.588 7.588s-7.588-3.397-7.588-7.588z\"\/><path d=\"M21.090 6.369h0.003c1.989 0 3.897 0.79 5.303 2.197s2.197 3.314 2.197 5.303-0.79 3.897-2.197 5.303c-1.406 1.407-3.314 2.197-5.303 2.197-0.552 0-1-0.448-1-1s0.448-1 1-1c1.459 0 2.858-0.579 3.889-1.611s1.611-2.43 1.611-3.889c0-1.459-0.58-2.858-1.611-3.889s-2.429-1.611-3.888-1.611c-0.507 0.002-1.013 0.070-1.502 0.203-0.533 0.145-1.082-0.17-1.227-0.703s0.17-1.082 0.703-1.227c0.659-0.179 1.339-0.27 2.021-0.272z\"\/><path d=\"M10.906 21.364c-1.605 0-3.186 0.386-4.61 1.126s-2.649 1.811-3.572 3.124c-0.318 0.452-0.941 0.561-1.393 0.243s-0.561-0.941-0.243-1.393c1.107-1.576 2.577-2.862 4.286-3.749s3.606-1.351 5.532-1.351 3.823 0.463 5.532 1.351c1.709 0.888 3.179 2.174 4.286 3.749 0.318 0.452 0.209 1.076-0.243 1.393s-1.076 0.209-1.393-0.243c-0.923-1.313-2.148-2.385-3.572-3.124s-3.005-1.126-4.61-1.126z\"\/><\/svg>\n                  <span class=\"js-event-count\"><\/span>\n                <\/div>\n                <div class=\"scaler-event-card__live-badge\" style=\"display: none;\">Live<\/div>\n              <\/div>\n              <div class=\"scaler-event-card__text\">\n                <h3 class=\"scaler-event-card__title\"><\/h3>\n                <div class=\"scaler-event-card__speaker js-event-speaker\"><\/div>\n              <\/div>\n            <\/div>\n\n            <div class=\"scaler-event-card__takeaways js-event-takeaways\"><\/div>\n\n            <div class=\"scaler-event-card__spacer\"><\/div>\n\n            <div class=\"scaler-event-card__meta\">\n              <span class=\"js-event-date\"><\/span>\n              <span class=\"scaler-event-card__duration\">\n                <svg fill=\"currentColor\" viewBox=\"0 0 32 32\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M16 6.333c6.443 0 11.667 5.223 11.667 11.667s-5.223 11.667-11.667 11.667c-6.443 0-11.667-5.223-11.667-11.667v0c0.008-6.44 5.226-11.659 11.666-11.667h0.001zM16 28.333c5.707 0 10.333-4.626 10.333-10.333s-4.626-10.333-10.333-10.333c-5.707 0-10.333 4.626-10.333 10.333v0c0.007 5.704 4.629 10.326 10.333 10.333h0.001z\"\/><path d=\"M16 18.667c-0 0-0.001 0-0.001 0-0.184 0-0.35-0.074-0.471-0.195v0c-0.121-0.121-0.195-0.287-0.195-0.471s0.075-0.351 0.195-0.471l4.951-4.952c0.121-0.121 0.287-0.195 0.471-0.195s0.351 0.075 0.471 0.195v0c0.121 0.121 0.195 0.287 0.195 0.471s-0.075 0.351-0.195 0.471l-4.949 4.951c-0.121 0.121-0.288 0.196-0.472 0.196v0z\"\/><path d=\"M19 3.667h-6c-0.368 0-0.667-0.298-0.667-0.667v0c0-0.368 0.298-0.667 0.667-0.667v0h6c0.368 0 0.667 0.298 0.667 0.667v0c0 0.368-0.298 0.667-0.667 0.667v0z\"\/><\/svg>\n                <span class=\"js-event-duration\"><\/span>\n              <\/span>\n            <\/div>\n\n            <a href=\"#\" class=\"scaler-event-card__cta js-event-cta\">Register with 1-Click<\/a>\n          <\/article>\n        <\/div>\n      <\/template>\n\n      <div class=\"scaler-events-carousel__inner\">\n        <header class=\"scaler-events-header\">\n          <span class=\"scaler-events-header__icon\">\n            <svg fill=\"currentColor\" viewBox=\"0 0 33 32\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M6.406 6.8c-0.11 0-0.2 0.090-0.2 0.2v20c0 0.11 0.090 0.2 0.2 0.2h20c0.11 0 0.2-0.090 0.2-0.2v-20c0-0.11-0.090-0.2-0.2-0.2h-20zM4.606 7c0-0.994 0.806-1.8 1.8-1.8h20c0.994 0 1.8 0.806 1.8 1.8v20c0 0.994-0.806 1.8-1.8 1.8h-20c-0.994 0-1.8-0.806-1.8-1.8v-20z\"\/><path d=\"M22.406 3.2c0.442 0 0.8 0.358 0.8 0.8v4c0 0.442-0.358 0.8-0.8 0.8s-0.8-0.358-0.8-0.8v-4c0-0.442 0.358-0.8 0.8-0.8z\"\/><path d=\"M10.406 3.2c0.442 0 0.8 0.358 0.8 0.8v4c0 0.442-0.358 0.8-0.8 0.8s-0.8-0.358-0.8-0.8v-4c0-0.442 0.358-0.8 0.8-0.8z\"\/><path d=\"M4.606 12c0-0.442 0.358-0.8 0.8-0.8h22c0.442 0 0.8 0.358 0.8 0.8s-0.358 0.8-0.8 0.8h-22c-0.442 0-0.8-0.358-0.8-0.8z\"\/><path d=\"M21.488 16.451c0.303 0.322 0.288 0.828-0.034 1.131l-5.838 5.5c-0.309 0.291-0.791 0.29-1.099-0.002l-3.162-3c-0.321-0.304-0.334-0.81-0.030-1.131s0.81-0.334 1.131-0.030l2.614 2.48 5.287-4.981c0.322-0.303 0.828-0.288 1.131 0.034z\"\/><\/svg>\n          <\/span>\n          <h2 class=\"scaler-events-header__title\"><span class=\"ez-toc-section\" id=\"live-masterclasses\"><\/span>Live Masterclasses<span class=\"ez-toc-section-end\"><\/span><\/h2>\n        <\/header>\n\n        <div class=\"scaler-events-swiper-wrap\">\n          <div class=\"swiper scaler-event-swiper\">\n            <div class=\"swiper-wrapper scaler-events-wrapper\"><\/div>\n            <div class=\"swiper-pagination scaler-events-pagination\"><\/div>\n          <\/div>\n\n          <button class=\"scaler-events-nav__btn scaler-nav-prev\" aria-label=\"Previous slide\">\n            <svg fill=\"currentColor\" viewBox=\"0 0 32 32\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"transform: rotate(-90deg);\"><path d=\"M5.313 16l10.688-10.688 10.688 10.688-1.938 1.875-7.438-7.438v16.25h-2.625v-16.25l-7.5 7.438z\"\/><\/svg>\n          <\/button>\n          <button class=\"scaler-events-nav__btn scaler-nav-next\" aria-label=\"Next slide\">\n            <svg fill=\"currentColor\" viewBox=\"0 0 32 32\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"transform: rotate(90deg);\"><path d=\"M5.313 16l10.688-10.688 10.688 10.688-1.938 1.875-7.438-7.438v16.25h-2.625v-16.25l-7.5 7.438z\"\/><\/svg>\n          <\/button>\n        <\/div>\n\n        <a class=\"scaler-events-viewall\" href=\"https:\/\/www.scaler.com\/events\/\">\n          <span>View All Events<\/span>\n          <svg fill=\"currentColor\" viewBox=\"0 0 32 32\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"transform: rotate(90deg);\"><path d=\"M5.313 16l10.688-10.688 10.688 10.688-1.938 1.875-7.438-7.438v16.25h-2.625v-16.25l-7.5 7.438z\"\/><\/svg>\n        <\/a>\n      <\/div>\n    <\/div>\n\n    <script>\n    document.addEventListener(\"DOMContentLoaded\", () => {\n\n      const monthNames = [\"January\",\"February\",\"March\",\"April\",\"May\",\"June\",\"July\",\"August\",\"September\",\"October\",\"November\",\"December\"];\n\n      function formatTime(st) {\n        const t = new Date(st);\n        const date = t.getDate();\n        const month = monthNames[t.getMonth()];\n        const year = t.getFullYear();\n        const h = t.getHours();\n        const m = String(t.getMinutes()).padStart(2, \"0\");\n        let time;\n        if (h === 0) time = `12:${m} AM`;\n        else if (h === 12) time = `12:${m} PM`;\n        else if (h > 12) time = `${h - 12}:${m} PM`;\n        else time = `${h}:${m} AM`;\n        return `${date} ${month} ${year} | ${time}`;\n      }\n\n      const carouselInstances = document.querySelectorAll('.js-scaler-carousel');\n\n      carouselInstances.forEach(container => {\n\n          if(container.dataset.initialized === \"true\") return;\n          container.dataset.initialized = \"true\";\n\n          const swiperElement = container.querySelector(\".scaler-event-swiper\");\n          const swiperWrapper = container.querySelector(\".scaler-events-wrapper\");\n          const template = container.querySelector(\".js-event-card-template\");\n          const nextBtn = container.querySelector(\".scaler-nav-next\");\n          const prevBtn = container.querySelector(\".scaler-nav-prev\");\n          const paginationEl = container.querySelector(\".scaler-events-pagination\");\n\n          if (!swiperWrapper || !template) {\n             console.error(\"Scaler Carousel: Missing required elements inside container\");\n             return;\n          }\n\n          const swiper = new Swiper(swiperElement, {\n            slidesPerView: \"auto\",\n            spaceBetween: 16,\n            grabCursor: true,\n            observer: true,\n            observeParents: true,\n            pagination: {\n                el: paginationEl,\n                clickable: true,\n                dynamicBullets: true\n            },\n            navigation: {\n                nextEl: nextBtn,\n                prevEl: prevBtn\n            },\n          });\n\n          function showSkeletons(count = 4) {\n            swiperWrapper.innerHTML = \"\";\n            for (let i = 0; i < count; i++) {\n              const clone = template.content.cloneNode(true);\n              const card = clone.querySelector(\".scaler-event-card\");\n              card.classList.add(\"scaler-event-card--skeleton\");\n              swiperWrapper.appendChild(clone);\n            }\n            swiper.update();\n          }\n\n          function renderEvents(events) {\n            swiperWrapper.innerHTML = \"\";\n\n            if (events.length === 0) {\n              swiperWrapper.innerHTML = `<div class=\"scaler-events-empty\">No upcoming masterclasses found.<\/div>`;\n              return;\n            }\n\n            const pathParts = location.pathname.split(\"\/\").filter(Boolean);\n            const currentSlug = pathParts.length > 0 ? pathParts[pathParts.length - 1] : \"homepage\";\n\n            events.forEach(event => {\n              const attr = event.attributes;\n              const cd = attr.custom_data || {};\n              const clone = template.content.cloneNode(true);\n              const joinUrl = `\/event\/${attr.slug}\/?utm_source=blog&utm_medium=master_class&utm_content=${currentSlug}`;\n\n              \/\/ Instructor headshot\n              const instructor = (cd.instructors && cd.instructors[0]) || {};\n              const img = clone.querySelector(\".scaler-event-card__image\");\n              img.src = instructor.media_url || attr.image_url ||\n                \"https:\/\/images.unsplash.com\/photo-1531891437562-4301cf35b7e4?w=200&h=200&fit=crop\";\n              img.alt = instructor.name || attr.instructor_name || attr.title;\n\n              \/\/ Title + speaker\n              clone.querySelector(\".scaler-event-card__title\").textContent = attr.title;\n              clone.querySelector(\".js-event-speaker\").textContent = instructor.name || attr.instructor_name || \"\";\n\n              \/\/ Live chip vs attendee count\n              const isLive = attr.status === \"current\";\n              const footer = clone.querySelector(\".scaler-event-card__img-footer\");\n              const liveBadge = clone.querySelector(\".scaler-event-card__live-badge\");\n              if (isLive) {\n                footer.style.display = \"none\";\n                liveBadge.style.display = \"flex\";\n                liveBadge.textContent = \"Live\";\n              } else if (attr.registration_count) {\n                clone.querySelector(\".js-event-count\").textContent = attr.registration_count;\n              } else {\n                footer.style.display = \"none\";\n              }\n\n              \/\/ Takeaways (up to 2, Know More on the last)\n              const takeaways = (cd.takeaways || []).slice(0, 2);\n              const listEl = clone.querySelector(\".js-event-takeaways\");\n              listEl.innerHTML = \"\";\n              takeaways.forEach((t, idx) => {\n                const item = document.createElement(\"div\");\n                item.className = \"scaler-event-card__takeaway-item\";\n                const dot = document.createElement(\"span\");\n                dot.className = \"scaler-event-card__dot\";\n                const txt = document.createElement(\"span\");\n                txt.className = \"scaler-event-card__takeaway-text\";\n                txt.textContent = t;\n                item.appendChild(dot);\n                item.appendChild(txt);\n                if (idx === takeaways.length - 1) {\n                  const km = document.createElement(\"a\");\n                  km.className = \"scaler-event-card__knowmore\";\n                  km.textContent = \"Know More\";\n                  km.href = joinUrl;\n                  item.appendChild(km);\n                }\n                listEl.appendChild(item);\n              });\n\n              \/\/ Date + duration\n              clone.querySelector(\".js-event-date\").textContent = formatTime(attr.start_time);\n              let hrs = \"\";\n              if (attr.duration) {\n                hrs = (attr.duration \/ 60).toFixed(2);\n              } else if (attr.end_time) {\n                hrs = (Math.abs(new Date(attr.start_time) - new Date(attr.end_time)) \/ 3600000).toFixed(2);\n              }\n              clone.querySelector(\".js-event-duration\").textContent = hrs ? `${hrs} Hrs` : \"\";\n\n              \/\/ CTA\n              clone.querySelector(\".js-event-cta\").href = joinUrl;\n\n              swiperWrapper.appendChild(clone);\n            });\n\n            swiper.update();\n            swiper.slideTo(0);\n          }\n\n          async function fetchEvents() {\n            try {\n              showSkeletons();\n              const res = await fetch(\n                \"https:\/\/www.scaler.com\/api\/v4\/events?event_type[]=company&distributor=scaler&type=upcoming&serializer_mode=L2&limit=8&program[]=software_development&program[]=data_science&program[]=devops&program[]=ai_ml\"\n              );\n              const json = await res.json();\n              const events = json.data || [];\n              renderEvents(events);\n            } catch (error) {\n              console.error(\"Failed to load events:\", error);\n              if(swiperWrapper) swiperWrapper.innerHTML = `<div class=\"scaler-events-empty\">Failed to load events.<\/div>`;\n            }\n          }\n\n          fetchEvents();\n      });\n    });\n    <\/script>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"how-do-you-evaluate-and-improve-an-nlp-model\"><\/span><strong>How do you evaluate and improve an NLP model?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Evaluation is the skill that separates a plausible NLP demo from a reliable application. Decide what good means before you change a model. The metric, test data and human review should reflect the user&#8217;s real task.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Task<\/strong><\/td><td><strong>Useful measures<\/strong><\/td><td><strong>Error analysis question<\/strong><\/td><\/tr><tr><td>Text classification<\/td><td>Precision, recall, F1, class-wise confusion matrix and calibration<\/td><td>Which class or language variant is repeatedly confused?<\/td><\/tr><tr><td>Entity extraction<\/td><td>Span-level precision, recall and F1<\/td><td>Does the system miss sensitive names, dates or product identifiers?<\/td><\/tr><tr><td>Search or retrieval<\/td><td>Recall at k, precision at k, relevance judgement and citation support<\/td><td>Does the right source appear before the model is asked to answer?<\/td><\/tr><tr><td>Summarisation<\/td><td>Factual support, coverage, length and human usefulness<\/td><td>Which claims cannot be traced to the source?<\/td><\/tr><tr><td>Generative assistant<\/td><td>Task completion, groundedness, safe refusal, format validity, latency and cost<\/td><td>Can the model invent, over-disclose or take an unsafe action?<\/td><\/tr><tr><td>Translation or multilingual task<\/td><td>Meaning preservation, terminology consistency and human review<\/td><td>Does performance change by language, script or code-mixed input?<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Build an evaluation set from representative, permission-safe examples. Include routine cases and deliberately difficult ones: typos, short requests, long requests, ambiguity, unsupported questions, adversarial instructions, stale documents and sensitive content. Freeze a holdout set so you can detect regression when you change a prompt, embedding model, chunking rule or LLM.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Human review remains essential where language has several valid answers or business context decides usefulness. Write a rubric with concrete criteria and examples, then sample the model&#8217;s work regularly. Do not use a model grader as the only authority for high-impact tasks without validating it against human judgement.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"how-can-you-build-nlp-skills-with-projects\"><\/span><strong>How can you build NLP skills with projects?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Projects should resemble a real workflow and make your reasoning visible. A notebook with a single accuracy number is weaker than a small system with a dataset description, baseline, evaluation and limitations.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Project level<\/strong><\/td><td><strong>Example project<\/strong><\/td><td><strong>Core skills to show<\/strong><\/td><\/tr><tr><td>Foundation<\/td><td>Support-ticket category classifier using public or synthetic tickets<\/td><td>Cleaning, labels, TF-IDF baseline, class-wise metrics and error review<\/td><\/tr><tr><td>Intermediate<\/td><td>Semantic search over approved documentation<\/td><td>Embeddings, chunking, metadata filters, retrieval evaluation and cited results<\/td><\/tr><tr><td>Advanced<\/td><td>Multilingual feedback-analysis workflow<\/td><td>Language detection, text classification, slice evaluation, reviewer queue and privacy-aware logging<\/td><\/tr><tr><td>Deployment<\/td><td>Document-processing API that extracts structured fields as a draft<\/td><td>Input validation, schema checks, model versioning, monitoring, human approval and rollback<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">For each project, include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Problem and stakeholder:<\/strong> Who needs the result and what decision or action changes?<\/li>\n\n\n\n<li><strong>Data statement:<\/strong> Where did the data come from, what does one row mean and what permissions apply?<\/li>\n\n\n\n<li><strong>Baseline:<\/strong> What simple method did you compare against?<\/li>\n\n\n\n<li><strong>Evaluation:<\/strong> Which metric, holdout set and human-review rubric did you use?<\/li>\n\n\n\n<li><strong>Failure analysis:<\/strong> Which inputs fail, why might they fail and what is the safe fallback?<\/li>\n\n\n\n<li><strong>Operations:<\/strong> How would the model be versioned, monitored, retrained or rolled back?<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">These habits transfer to computer vision as well. Both NLP and CV require labelled data, a baseline, suitable metrics, error slices, data rights and deployment discipline. The modality changes; the engineering method does not.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"what-is-a-practical-16-week-nlp-roadmap\"><\/span><strong>What is a practical 16-week NLP roadmap?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">This part-time roadmap assumes around eight to ten hours a week. If Python or statistics is new, extend the first four weeks rather than rushing to transformers.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Weeks 1 to 4: text data and basic models<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Practise Python, regular expressions, JSON, dataframes, Unicode handling and Git.<\/li>\n\n\n\n<li>Inspect a public or synthetic text dataset for duplicates, labels, length, language and imbalance.<\/li>\n\n\n\n<li>Build a TF-IDF plus linear-classifier baseline for a simple category task.<\/li>\n\n\n\n<li>Report class-wise metrics and read at least 20 false positives or false negatives.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Weeks 5 to 8: representations and retrieval<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Learn word and sentence embeddings, cosine similarity, metadata and vector indexes.<\/li>\n\n\n\n<li>Build a semantic search prototype over a small approved document set.<\/li>\n\n\n\n<li>Compare keyword and semantic search on a labelled query set.<\/li>\n\n\n\n<li>Add source, version and access metadata before displaying a retrieved passage.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Weeks 9 to 12: transformers and applied LLMs<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Learn attention, tokenisation, pretrained models and transformer task patterns.<\/li>\n\n\n\n<li>Fine-tune or adapt a small model for classification, extraction or summarisation only if the data and use case justify it.<\/li>\n\n\n\n<li>Build a structured-output workflow and validate the returned fields deterministically.<\/li>\n\n\n\n<li>Add cases for unsupported queries, prompt injection, malformed inputs and sensitive-data boundaries.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Weeks 13 to 16: evaluation, deployment and portfolio<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Freeze an evaluation set and compare the baseline, retrieval or transformer versions.<\/li>\n\n\n\n<li>Package the chosen workflow as an API or batch process with input validation, logs and versioned dependencies.<\/li>\n\n\n\n<li>Write an evaluation report, model or system card, README, limitations and rollback plan.<\/li>\n\n\n\n<li>Record a short demo explaining the user problem, evidence, failure cases and what needs human review.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">The aim is one well-explained portfolio project, not four unfinished chatbots. If you need a broader curriculum spanning analytics, machine learning and applied AI, Scaler&#8217;s <a href=\"https:\/\/www.scaler.com\/data-science-course\/\">Data Science and ML course with an AI specialisation<\/a> is one structured route to consider.<\/p>\n\n\n<meta charset=\"UTF-8\">\n    <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n\n    <!-- Source Sans Pro (topics font) -->\n    <link href=\"https:\/\/fonts.googleapis.com\/css2?family=Source+Sans+3:wght@400;600;700&#038;display=swap\" rel=\"stylesheet\">\n    <link rel=\"stylesheet\" href=\"https:\/\/cdn.jsdelivr.net\/npm\/swiper@11\/swiper-bundle.min.css\">\n    <script src=\"https:\/\/cdn.jsdelivr.net\/npm\/swiper@11\/swiper-bundle.min.js\"><\/script>\n\n    <style>\n      :root {\n        --cl-primary: #005bb3;\n        --cl-brand-blue: #255aad;\n        --cl-card-bg: #ffffff;\n        --cl-surface: #f6f7f8;\n        --cl-border: #d6dee5;\n        --cl-text-primary: #1a2c47;   \/* neutral-scale-12 *\/\n        --cl-text-secondary: #61738e; \/* neutral-scale-9 *\/\n        --cl-radius: 16px;\n        --cl-radius-sm: 8px;\n        --cl-shadow: 0 8px 16px 0 rgba(50, 71, 102, 0.16);\n      }\n\n      .scaler-courses * { box-sizing: border-box; }\n\n      .scaler-courses {\n        font-family: \"Source Sans 3\", \"Source Sans Pro\", \"Roboto\", Arial, sans-serif;\n        padding: 24px;\n        width: 100%;\n      }\n      .scaler-courses__inner {\n        max-width: 1000px;\n        margin: 0 auto;\n        position: relative;\n        width: 100%;\n      }\n\n      \/* Header *\/\n      .scaler-courses__header {\n        display: flex;\n        align-items: center;\n        gap: 8px;\n        margin-bottom: 8px;\n        padding: 8px 0;\n      }\n      .scaler-courses__header-icon { display: inline-flex; color: var(--cl-text-primary); }\n      .scaler-courses__header-icon svg { width: 24px; height: 24px; }\n      .scaler-courses__title {\n        font-size: 18px;\n        font-weight: 700;\n        color: var(--cl-text-primary);\n        line-height: 1.3;\n        margin: 0;\n      }\n\n      \/* Swiper *\/\n      .scaler-courses__swiper-wrap { position: relative; }\n      .scaler-courses .swiper { width: 100%; padding: 4px; }\n      .scaler-courses-swiper .swiper-slide {\n        width: 296px;\n        height: auto;\n        display: flex;\n      }\n\n      \/* Card *\/\n      .scaler-course-card {\n        display: flex;\n        flex-direction: column;\n        width: 100%;\n        height: 100%;\n        min-height: 336px;\n        background: var(--cl-card-bg);\n        border: 1px solid var(--cl-border);\n        border-radius: var(--cl-radius);\n        overflow: hidden;\n        text-decoration: none;\n        cursor: pointer;\n        transition: box-shadow 0.2s ease;\n      }\n      .scaler-course-card:hover { box-shadow: 0 2px 12px rgba(50, 71, 102, 0.12); }\n\n      .scaler-course-card__image {\n        width: 100%;\n        height: 128px;\n        min-height: 128px;\n        object-fit: cover;\n        background: var(--cl-surface);\n        display: block;\n      }\n\n      .scaler-course-card__detail {\n        display: flex;\n        flex-direction: column;\n        flex: 1 1 auto;\n        padding: 16px 16px 8px;\n      }\n      .scaler-course-card__heading,\n      .scaler-course-card__heading:link,\n      .scaler-course-card__heading:visited {\n        font-size: 20px;\n        font-weight: 600;\n        line-height: 1.4;\n        color: var(--cl-text-primary) !important;\n        margin: 0 0 8px;\n        white-space: nowrap;\n        overflow: hidden;\n        text-overflow: ellipsis;\n      }\n      .scaler-course-card__instructor {\n        font-size: 14px;\n        line-height: 1.86;\n        color: var(--cl-text-primary);\n        white-space: nowrap;\n        overflow: hidden;\n        text-overflow: ellipsis;\n      }\n      .scaler-course-card__instructor b { font-weight: 700; }\n      .scaler-course-card__desc {\n        flex-grow: 1;\n        margin-top: 8px;\n        margin-bottom: 12px;\n        font-size: 16px;\n        line-height: 1.5;\n        color: var(--cl-text-secondary);\n        display: -webkit-box;\n        -webkit-line-clamp: 2;\n        -webkit-box-orient: vertical;\n        overflow: hidden;\n      }\n\n      .scaler-course-card__footer {\n        display: flex;\n        align-items: center;\n        justify-content: space-between;\n        width: 100%;\n      }\n      .scaler-course-card__stat {\n        display: flex;\n        align-items: center;\n        gap: 4px;\n        font-size: 14px;\n        color: var(--cl-text-primary);\n      }\n      .scaler-course-card__stat svg { width: 18px; height: 18px; flex-shrink: 0; }\n      .scaler-course-card__stat img { width: 20px; height: 20px; flex-shrink: 0; }\n\n      \/* Side arrows *\/\n      .scaler-courses__nav {\n        position: absolute !important;\n        top: 50% !important;\n        transform: translateY(-50%) !important;\n        z-index: 2;\n        width: 46px !important; height: 46px !important; min-width: 46px;\n        display: flex !important; align-items: center; justify-content: center;\n        padding: 0 !important;\n        background: var(--cl-card-bg) !important;\n        border: none !important;\n        border-radius: var(--cl-radius-sm) !important;\n        box-shadow: var(--cl-shadow) !important;\n        color: var(--cl-text-secondary) !important;\n        cursor: pointer;\n        transition: opacity 0.2s ease, visibility 0.2s ease;\n      }\n      .scaler-courses__nav--prev { left: 8px !important; }\n      .scaler-courses__nav--next { right: 8px !important; }\n      .scaler-courses__nav svg { width: 20px !important; height: 20px !important; fill: var(--cl-text-secondary) !important; }\n      .scaler-courses__nav.swiper-button-disabled { opacity: 0; visibility: hidden; pointer-events: none; }\n\n      .scaler-courses .swiper-button-prev,\n      .scaler-courses .swiper-button-next,\n      .scaler-courses .swiper-pagination { display: none; }\n\n      \/* Skeleton *\/\n      .scaler-course-card--skeleton { pointer-events: none; }\n      .scaler-course-card--skeleton .scaler-course-card__image,\n      .scaler-course-card--skeleton .scaler-course-card__heading,\n      .scaler-course-card--skeleton .scaler-course-card__instructor,\n      .scaler-course-card--skeleton .scaler-course-card__desc,\n      .scaler-course-card--skeleton .scaler-course-card__footer {\n        background: linear-gradient(90deg, var(--cl-border) 25%, var(--cl-surface) 50%, var(--cl-border) 75%);\n        background-size: 200% 100%;\n        animation: cl-shimmer 1.5s infinite;\n        color: transparent !important;\n        border-radius: 4px;\n      }\n      .scaler-course-card--skeleton .scaler-course-card__heading { height: 24px; margin: 0 0 8px; }\n      .scaler-course-card--skeleton .scaler-course-card__instructor { height: 16px; }\n      .scaler-course-card--skeleton .scaler-course-card__footer { height: 20px; }\n      @keyframes cl-shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }\n\n      .scaler-courses__empty { display: none; }\n\n      @media (max-width: 768px) {\n        .scaler-courses { padding: 16px; }\n        .scaler-courses-swiper .swiper-slide { width: 260px; }\n        .scaler-courses__nav { display: none !important; }\n      }\n    <\/style>\n\n\n    <div class=\"scaler-courses js-scaler-courses\">\n\n      <template class=\"js-course-card-template\">\n        <div class=\"swiper-slide\">\n          <a class=\"scaler-course-card js-course-link\" href=\"#\" target=\"_blank\" rel=\"noopener\">\n            <img decoding=\"async\" class=\"scaler-course-card__image js-course-image\" src=\"\" alt=\"\" loading=\"lazy\">\n            <div class=\"scaler-course-card__detail\">\n              <div class=\"scaler-course-card__heading js-course-title\"><\/div>\n              <div class=\"scaler-course-card__instructor js-course-instructor\"><\/div>\n              <div class=\"scaler-course-card__desc js-course-desc\"><\/div>\n              <div class=\"scaler-course-card__footer\">\n                <span class=\"scaler-course-card__stat js-course-star\">\n                  <svg fill=\"currentColor\" viewBox=\"0 0 32 32\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M14.83 2.868c0.342-0.239 0.75-0.368 1.168-0.368s0.826 0.128 1.168 0.368c0.338 0.236 0.596 0.569 0.741 0.955l2.759 6.936c0.003 0.007 0.007 0.013 0.013 0.017s0.013 0.007 0.020 0.007l7.402 0.476c0.411 0.036 0.802 0.194 1.124 0.452s0.559 0.607 0.683 1 0.127 0.815 0.011 1.211c-0.116 0.396-0.347 0.748-0.664 1.013l-5.655 4.714c-0.013 0.011-0.022 0.025-0.028 0.040s-0.006 0.032-0.002 0.047l1.821 7.163c0.107 0.395 0.094 0.812-0.037 1.2-0.133 0.391-0.38 0.734-0.71 0.983s-0.727 0.393-1.14 0.413c-0.413 0.020-0.822-0.084-1.175-0.3l-0.015-0.009-6.307-4.005c-0.004-0.003-0.009-0.004-0.014-0.004s-0.009 0.001-0.013 0.004l-5.876 3.721c-0.389 0.235-0.839 0.347-1.292 0.323s-0.889-0.184-1.251-0.459c-0.361-0.275-0.632-0.652-0.777-1.082-0.143-0.426-0.157-0.885-0.038-1.319l1.684-6.629c0.004-0.016 0.003-0.033-0.002-0.049s-0.015-0.030-0.027-0.040l-5.653-4.714c-0.317-0.264-0.548-0.617-0.664-1.013s-0.112-0.817 0.011-1.211c0.124-0.394 0.361-0.742 0.683-1s0.713-0.416 1.124-0.452l0.023-0.002 7.38-0.476c0.007-0 0.014-0.003 0.020-0.007s0.010-0.010 0.013-0.017l0.008-0.020 2.746-6.913c0.145-0.386 0.403-0.719 0.741-0.956z\"\/><\/svg>\n                  <span class=\"js-course-star-val\"><\/span>\n                <\/span>\n                <span class=\"scaler-course-card__stat\">\n                  <img decoding=\"async\" src=\"https:\/\/d19zaobb0foqu6.cloudfront.net\/topics\/images\/user-check-dark.svg\" alt=\"Enrolled\" loading=\"lazy\">\n                  <span class=\"js-course-reg\"><\/span>\n                <\/span>\n              <\/div>\n            <\/div>\n          <\/a>\n        <\/div>\n      <\/template>\n\n      <div class=\"scaler-courses__inner\">\n        <div class=\"scaler-courses__header\">\n          <span class=\"scaler-courses__header-icon\">\n            <svg fill=\"currentColor\" viewBox=\"0 0 32 32\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M26.259 23.289h-20.518c-1.193 0-2.16-0.967-2.16-2.16v0-14.588c0-1.193 0.967-2.16 2.16-2.16v0h20.518c1.193 0 2.16 0.967 2.16 2.16v0 14.588c0 1.193-0.967 2.16-2.16 2.16v0zM5.741 5.501c-0.574 0-1.040 0.466-1.040 1.040v0 14.588c0 0.574 0.466 1.040 1.040 1.040v0h20.518c0.574 0 1.040-0.466 1.040-1.040v0-14.588c0-0.574-0.466-1.040-1.040-1.040v0z\"\/><path d=\"M19.764 27.619h-7.53c-0.309 0-0.56-0.251-0.56-0.56v0c0-0.309 0.251-0.56 0.56-0.56h7.53c0.309 0 0.56 0.251 0.56 0.56v0c0 0.309-0.251 0.56-0.56 0.56v0z\"\/><path d=\"M14.023 9.322c0.116 0 0.223 0.035 0.312 0.096l-0.002-0.001 5.93 3.953c0.151 0.102 0.249 0.272 0.249 0.466s-0.098 0.364-0.247 0.465l-0.002 0.001-5.93 3.953c-0.087 0.059-0.195 0.094-0.31 0.094-0.309 0-0.56-0.25-0.56-0.559v-7.906c0-0.309 0.251-0.56 0.56-0.56v0zM18.943 13.835l-4.36-2.906v5.813z\"\/><\/svg>\n          <\/span>\n          <h2 class=\"scaler-courses__title\"><span class=\"ez-toc-section\" id=\"free-courses-by-top-scaler-instructors\"><\/span>Free Courses by top Scaler instructors<span class=\"ez-toc-section-end\"><\/span><\/h2>\n        <\/div>\n\n        <div class=\"scaler-courses__swiper-wrap\">\n          <div class=\"swiper scaler-courses-swiper\">\n            <div class=\"swiper-wrapper js-courses-wrapper\"><\/div>\n            <div class=\"swiper-pagination\"><\/div>\n          <\/div>\n\n          <button class=\"scaler-courses__nav scaler-courses__nav--prev js-courses-prev\" aria-label=\"Previous\">\n            <svg fill=\"currentColor\" viewBox=\"0 0 32 32\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"transform: rotate(-90deg);\"><path d=\"M5.313 16l10.688-10.688 10.688 10.688-1.938 1.875-7.438-7.438v16.25h-2.625v-16.25l-7.5 7.438z\"\/><\/svg>\n          <\/button>\n          <button class=\"scaler-courses__nav scaler-courses__nav--next js-courses-next\" aria-label=\"Next\">\n            <svg fill=\"currentColor\" viewBox=\"0 0 32 32\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"transform: rotate(90deg);\"><path d=\"M5.313 16l10.688-10.688 10.688 10.688-1.938 1.875-7.438-7.438v16.25h-2.625v-16.25l-7.5 7.438z\"\/><\/svg>\n          <\/button>\n        <\/div>\n      <\/div>\n    <\/div>\n\n    <script>\n    document.addEventListener(\"DOMContentLoaded\", () => {\n      const EXTRA_COUNT_ADDED = 1000;\n\n      \/\/ Mirrors getInstructorStar(): first token of the headline.\n      function getInstructorStar(headline) {\n        return (headline || \"\").toString().split(\" \")[0] || \"\";\n      }\n\n      document.querySelectorAll(\".js-scaler-courses\").forEach(container => {\n        if (container.dataset.initialized === \"true\") return;\n        container.dataset.initialized = \"true\";\n\n        const swiperElement = container.querySelector(\".scaler-courses-swiper\");\n        const wrapper = container.querySelector(\".js-courses-wrapper\");\n        const template = container.querySelector(\".js-course-card-template\");\n        const nextBtn = container.querySelector(\".js-courses-next\");\n        const prevBtn = container.querySelector(\".js-courses-prev\");\n\n        if (!wrapper || !template) return;\n\n        const swiper = new Swiper(swiperElement, {\n          slidesPerView: \"auto\",\n          spaceBetween: 16,\n          grabCursor: true,\n          observer: true,\n          observeParents: true,\n          navigation: { nextEl: nextBtn, prevEl: prevBtn },\n        });\n\n        const pathParts = location.pathname.split(\"\/\").filter(Boolean);\n        const currentSlug = pathParts.length > 0 ? pathParts[pathParts.length - 1] : \"homepage\";\n\n        function showSkeletons(count = 4) {\n          wrapper.innerHTML = \"\";\n          for (let i = 0; i < count; i++) {\n            const clone = template.content.cloneNode(true);\n            clone.querySelector(\".scaler-course-card\").classList.add(\"scaler-course-card--skeleton\");\n            wrapper.appendChild(clone);\n          }\n          swiper.update();\n        }\n\n        function renderCourses(courses) {\n          wrapper.innerHTML = \"\";\n          if (!courses.length) { container.style.display = \"none\"; return; }\n\n          courses.forEach(item => {\n            const a = item.attributes || {};\n            const clone = template.content.cloneNode(true);\n            const instructor = (a.instructors_data && a.instructors_data[0]) || {};\n\n            clone.querySelector(\".js-course-link\").href =\n              `https:\/\/www.scaler.com\/topics\/course\/${a.slug}\/?utm_source=blog&utm_medium=free_courses&utm_content=${currentSlug}`;\n\n            const img = clone.querySelector(\".js-course-image\");\n            img.src = a.cover_image_thumbnail || a.featured_image || \"\";\n            img.alt = a.title || \"\";\n\n            clone.querySelector(\".js-course-title\").textContent = a.title || \"\";\n\n            const instrEl = clone.querySelector(\".js-course-instructor\");\n            if (instructor.name) {\n              instrEl.innerHTML = \"A Course by <b><\/b>\";\n              instrEl.querySelector(\"b\").textContent = instructor.name;\n            } else {\n              instrEl.style.display = \"none\";\n            }\n\n            clone.querySelector(\".js-course-desc\").textContent = a.description || \"\";\n\n            \/\/ Star\n            const star = getInstructorStar(instructor.star_headline);\n            const starWrap = clone.querySelector(\".js-course-star\");\n            if (star && star !== \"0\") clone.querySelector(\".js-course-star-val\").textContent = star;\n            else starWrap.style.display = \"none\";\n\n            \/\/ Enrolled count (+1000 like topics)\n            clone.querySelector(\".js-course-reg\").textContent =\n              ((a.user_registration_count || 0) + EXTRA_COUNT_ADDED).toLocaleString(\"en-US\");\n\n            wrapper.appendChild(clone);\n          });\n\n          swiper.update();\n          swiper.slideTo(0);\n        }\n\n        async function fetchCourses() {\n          try {\n            showSkeletons();\n            \/\/ Public same-origin endpoint (topics course search). Returns 6 free courses.\n            const res = await fetch(\"\/topics\/api\/v1\/search\/courses\", {\n              method: \"POST\",\n              headers: {\n                \"Content-Type\": \"application\/json\",\n                \"Accept\": \"application\/json\",\n                \"X-Requested-With\": \"XMLHttpRequest\",\n              },\n              body: JSON.stringify({\n                filters: {\n                  q: \"\",\n                  page: { limit: 6, current_page: 1 },\n                  sort: { key: \"user_registration_count\", order: \"desc\" },\n                  filter_type: null,\n                  tags: [],\n                  program: [],\n                  level: [],\n                  category_type: [],\n                },\n              }),\n            });\n            const json = await res.json();\n            const courses = (json && json.data) || [];\n            renderCourses(courses);\n          } catch (error) {\n            console.error(\"Failed to load courses:\", error);\n            container.style.display = \"none\";\n          }\n        }\n\n        fetchCourses();\n      });\n    });\n    <\/script>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"which-tools-help-you-practise-nlp\"><\/span><strong>Which tools help you practise NLP?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Tools matter, but learn the concept before locking into a framework. A typical starting toolkit includes Python for data work, a tabular library, a plotting tool, one classical NLP library, a transformer library, an embedding or vector store option and a lightweight API framework.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Need<\/strong><\/td><td><strong>Practical tool category<\/strong><\/td><td><strong>Learning goal<\/strong><\/td><\/tr><tr><td>Text inspection and rules<\/td><td>Python regular expressions, tokenisers and NLP libraries<\/td><td>Understand exactly what each transformation changes<\/td><\/tr><tr><td>Classical NLP<\/td><td>TF-IDF, linear models and evaluation libraries<\/td><td>Establish a transparent, fast baseline<\/td><\/tr><tr><td>Transformer workflows<\/td><td>Pretrained-model and tokenizer libraries<\/td><td>Run a bounded task, inspect inputs and evaluate outputs<\/td><\/tr><tr><td>Retrieval<\/td><td>Embeddings, vector index and reranker<\/td><td>Test relevance, freshness and access-filtered retrieval<\/td><\/tr><tr><td>Deployment<\/td><td>API framework, containers, logs and tests<\/td><td>Deliver repeatable inference, validation and observable failures<\/td><\/tr><tr><td>Collaboration<\/td><td>Git, issue tracking, configuration and documentation<\/td><td>Reproduce and explain model decisions across a team<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/spacy.io\/usage\" target=\"_blank\" rel=\"noopener\">spaCy&#8217;s usage guides<\/a> and the <a href=\"https:\/\/huggingface.co\/docs\/transformers\/tasks\/sequence_classification\" target=\"_blank\" rel=\"noopener\">Hugging Face task guides<\/a> are useful primary documentation for practising pipelines and transformer tasks. Use tutorials as a starting point, then change the dataset, metric and failure cases so you learn to make your own decisions.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"how-do-you-improve-nlp-skills-for-multilingual-and-indian-language-work\"><\/span><strong>How do you improve NLP skills for multilingual and Indian-language work?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Do not treat English performance as a proxy for every user. India-facing language applications may encounter multiple scripts, transliteration, dialect variation, code-mixed text, local names and domain vocabulary. Plan data collection, annotation and evaluation for the languages and user groups the product is meant to serve.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Create slices for each language, script, input length and task type. Ask native or domain reviewers to check meaning, tone, terminology and harmful mistakes. Avoid translating an English test set and assuming the result measures local quality. A model may preserve individual words while losing the intent or relationship that matters to the user.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Protect privacy too. Customer messages can contain names, account numbers, health details or other sensitive information. Minimise data, apply access controls, use approved tools and redact where appropriate before sharing text for model development or evaluation.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"what-mistakes-slow-down-nlp-learning\"><\/span><strong>What mistakes slow down NLP learning?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Skipping baselines:<\/strong> You cannot tell whether a transformer improved the task without a simple comparison.<\/li>\n\n\n\n<li><strong>Trusting one metric:<\/strong> Inspect classes, languages, difficult cases and actual errors.<\/li>\n\n\n\n<li><strong>Treating text cleaning as harmless:<\/strong> A preprocessing rule can delete meaning or break entities.<\/li>\n\n\n\n<li><strong>Fine-tuning without a data case:<\/strong> More training is not automatically better than retrieval, clearer instructions or a rule.<\/li>\n\n\n\n<li><strong>Using private data casually:<\/strong> Check permissions, retention and approved tools before uploading text anywhere.<\/li>\n\n\n\n<li><strong>Building only a chatbot interface:<\/strong> Demonstrate data, evaluation, reliability and deployment, not only a conversation window.<\/li>\n<\/ul>\n\n\n<meta charset=\"UTF-8\">\n    <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n\n    <!-- Source Sans Pro (topics font) -->\n    <link href=\"https:\/\/fonts.googleapis.com\/css2?family=Source+Sans+3:wght@400;600;700&amp;display=swap\" rel=\"stylesheet\">\n    <link rel=\"stylesheet\" href=\"https:\/\/cdn.jsdelivr.net\/npm\/swiper@11\/swiper-bundle.min.css\">\n    <script src=\"https:\/\/cdn.jsdelivr.net\/npm\/swiper@11\/swiper-bundle.min.js\"><\/script>\n\n    <style>\n      :root {\n        --ss-primary: #005bb3;        \/* primary-color-80 *\/\n        --ss-card-bg: #ffffff;\n        --ss-border: #e6e6e6;\n        --ss-quote-bg: #f6f6f6;\n        --ss-text-dark: #1c1c1c;\n        --ss-text-mid: #6b6b6b;\n        --ss-text-muted: #9a9a9a;\n        --ss-radius: 12px;\n        --ss-radius-sm: 8px;\n        --ss-shadow: 0 8px 16px 0 rgba(50, 71, 102, 0.16);\n      }\n\n      .scaler-ss * { box-sizing: border-box; }\n\n      .scaler-ss {\n        font-family: \"Source Sans 3\", \"Source Sans Pro\", \"Roboto\", Arial, sans-serif;\n        padding: 24px;\n        width: 100%;\n      }\n      .scaler-ss__inner {\n        max-width: 1000px;\n        margin: 0 auto;\n        position: relative;\n        width: 100%;\n      }\n\n      \/* Heading *\/\n      .scaler-ss__heading {\n        font-size: 26px;\n        line-height: 34px;\n        font-weight: 700;\n        margin: 0 0 16px;\n        text-align: center;\n        color: var(--ss-text-dark);\n      }\n\n      \/* Swiper *\/\n      .scaler-ss__swiper-wrap { position: relative; }\n      .scaler-ss .swiper { width: 100%; padding: 4px; }\n      .scaler-ss-swiper .swiper-slide {\n        width: 300px;          \/* topics card width *\/\n        height: auto;\n        display: flex;\n      }\n\n      \/* Card *\/\n      .scaler-ss-card {\n        display: flex;\n        flex-direction: column;\n        width: 100%;\n        border: 1px solid var(--ss-border);\n        border-radius: var(--ss-radius);\n        overflow: hidden;\n        background: var(--ss-card-bg);\n      }\n\n      .scaler-ss-card__hike {\n        padding: 8px 12px;\n        background: var(--ss-primary);\n        color: #ffffff;\n        font-size: 14px;\n        font-weight: 700;\n        text-align: center;\n        letter-spacing: 0.4px;\n      }\n\n      .scaler-ss-card__body {\n        display: flex;\n        flex: 1 1 auto;\n        flex-direction: column;\n        gap: 12px;\n        padding: 16px;\n      }\n\n      \/* Person *\/\n      .scaler-ss-card__person {\n        display: flex;\n        align-items: center;\n        gap: 10px;\n      }\n      .scaler-ss-card__avatar {\n        width: 44px;\n        height: 44px;\n        min-width: 44px;\n        border-radius: 50%;\n        object-fit: cover;\n        background: var(--ss-quote-bg);\n      }\n      .scaler-ss-card__name {\n        font-size: 16px;\n        font-weight: 700;\n        line-height: 20px;\n        color: var(--ss-text-dark);\n      }\n      .scaler-ss-card__city {\n        font-size: 13px;\n        line-height: 18px;\n        color: var(--ss-text-mid);\n      }\n\n      \/* Before \/ Now transition *\/\n      .scaler-ss-card__transition {\n        display: flex;\n        align-items: center;\n        justify-content: space-between;\n        gap: 8px;\n      }\n      .scaler-ss-card__col {\n        flex: 1;\n        min-width: 0;\n      }\n      .scaler-ss-card__col-label {\n        font-size: 11px;\n        font-weight: 600;\n        letter-spacing: 0.4px;\n        color: var(--ss-text-muted);\n        margin-bottom: 2px;\n      }\n      .scaler-ss-card__col-role {\n        font-size: 13px;\n        line-height: 18px;\n        color: var(--ss-text-mid);\n      }\n      .scaler-ss-card__col-company {\n        font-size: 14px;\n        font-weight: 700;\n        line-height: 20px;\n        color: var(--ss-text-dark);\n      }\n      .scaler-ss-card__company-logo {\n        margin-top: 2px;\n        max-width: 64px;\n        max-height: 20px;\n        width: auto;\n        height: auto;\n        object-fit: contain;\n        display: block;\n      }\n      .scaler-ss-card__arrow {\n        flex-shrink: 0;\n        width: 28px;\n        height: 8px;\n        color: var(--ss-text-mid);\n        fill: currentColor;\n      }\n\n      \/* Quote *\/\n      .scaler-ss-card__quote {\n        font-size: 13px;\n        font-style: italic;\n        line-height: 19px;\n        color: var(--ss-text-mid);\n        background: var(--ss-quote-bg);\n        border-radius: var(--ss-radius-sm);\n        padding: 8px 10px;\n      }\n\n      \/* View Profile *\/\n      .scaler-ss-card__cta,\n      .scaler-ss-card__cta:link,\n      .scaler-ss-card__cta:visited {\n        display: block;\n        margin-top: auto;\n        text-align: center;\n        font-size: 14px;\n        font-weight: 600;\n        color: var(--ss-primary) !important;\n        text-decoration: none;\n        border: 1px solid var(--ss-primary);\n        border-radius: var(--ss-radius-sm);\n        padding: 9px 12px;\n        cursor: pointer;\n        transition: background 0.2s ease, color 0.2s ease;\n      }\n      .scaler-ss-card__cta:hover,\n      .scaler-ss-card__cta:focus {\n        background: var(--ss-primary);\n        color: #ffffff !important;\n      }\n\n      \/* Side navigation arrows *\/\n      .scaler-ss__nav {\n        position: absolute !important;\n        top: 50% !important;\n        transform: translateY(-50%) !important;\n        z-index: 2;\n        width: 46px !important;\n        height: 46px !important;\n        min-width: 46px;\n        display: flex !important;\n        align-items: center;\n        justify-content: center;\n        padding: 0 !important;\n        background: var(--ss-card-bg) !important;\n        border: none !important;\n        border-radius: var(--ss-radius-sm) !important;\n        box-shadow: var(--ss-shadow) !important;\n        color: #61738e !important;\n        cursor: pointer;\n        transition: opacity 0.2s ease, visibility 0.2s ease;\n      }\n      .scaler-ss__nav--prev { left: 8px !important; }\n      .scaler-ss__nav--next { right: 8px !important; }\n      .scaler-ss__nav svg {\n        width: 20px !important;\n        height: 20px !important;\n        fill: #61738e !important;\n      }\n      .scaler-ss__nav.swiper-button-disabled {\n        opacity: 0;\n        visibility: hidden;\n        pointer-events: none;\n      }\n\n      .scaler-ss .swiper-button-prev,\n      .scaler-ss .swiper-button-next,\n      .scaler-ss .swiper-pagination { display: none; }\n\n      \/* Skeleton *\/\n      .scaler-ss-card--skeleton { pointer-events: none; }\n      .scaler-ss-card--skeleton .scaler-ss-card__hike,\n      .scaler-ss-card--skeleton .scaler-ss-card__avatar,\n      .scaler-ss-card--skeleton .scaler-ss-card__person-text,\n      .scaler-ss-card--skeleton .scaler-ss-card__transition,\n      .scaler-ss-card--skeleton .scaler-ss-card__quote,\n      .scaler-ss-card--skeleton .scaler-ss-card__cta {\n        background: linear-gradient(90deg, var(--ss-border) 25%, var(--ss-quote-bg) 50%, var(--ss-border) 75%);\n        background-size: 200% 100%;\n        animation: ss-shimmer 1.5s infinite;\n        color: transparent !important;\n        border-color: transparent !important;\n        border-radius: 4px;\n      }\n      .scaler-ss-card--skeleton .scaler-ss-card__person-text { flex: 1; height: 32px; }\n      .scaler-ss-card--skeleton .scaler-ss-card__transition { height: 56px; }\n      .scaler-ss-card--skeleton .scaler-ss-card__quote { height: 48px; }\n      .scaler-ss-card--skeleton .scaler-ss-card__cta { height: 38px; }\n\n      @keyframes ss-shimmer {\n        0% { background-position: 200% 0; }\n        100% { background-position: -200% 0; }\n      }\n\n      @media (max-width: 768px) {\n        .scaler-ss { padding: 16px; }\n        .scaler-ss__heading { font-size: 22px; line-height: 30px; }\n        .scaler-ss-swiper .swiper-slide { width: 270px; }\n        .scaler-ss__nav { display: none !important; }\n      }\n    <\/style>\n\n\n\n    <div class=\"scaler-ss js-scaler-ss\">\n\n      <template class=\"js-ss-card-template\">\n        <div class=\"swiper-slide\">\n          <article class=\"scaler-ss-card\">\n            <div class=\"scaler-ss-card__hike js-ss-hike\"><\/div>\n            <div class=\"scaler-ss-card__body\">\n              <div class=\"scaler-ss-card__person\">\n                <img decoding=\"async\" class=\"scaler-ss-card__avatar js-ss-avatar\" src=\"\" alt=\"\" loading=\"lazy\">\n                <div class=\"scaler-ss-card__person-text\">\n                  <div class=\"scaler-ss-card__name js-ss-name\"><\/div>\n                  <div class=\"scaler-ss-card__city js-ss-city\"><\/div>\n                <\/div>\n              <\/div>\n\n              <div class=\"scaler-ss-card__transition\">\n                <div class=\"scaler-ss-card__col\">\n                  <div class=\"scaler-ss-card__col-label\">BEFORE:<\/div>\n                  <div class=\"scaler-ss-card__col-role js-ss-before-role\"><\/div>\n                  <div class=\"scaler-ss-card__col-company js-ss-before-company\"><\/div>\n                <\/div>\n                <svg class=\"scaler-ss-card__arrow\" viewBox=\"0 0 32 8\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M31.3882 4.35355C31.5835 4.15829 31.5835 3.84171 31.3882 3.64645L28.2062 0.464466C28.011 0.269204 27.6944 0.269204 27.4991 0.464466C27.3039 0.659728 27.3039 0.976311 27.4991 1.17157L30.3276 4L27.4991 6.82843C27.3039 7.02369 27.3039 7.34027 27.4991 7.53553C27.6944 7.7308 28.011 7.7308 28.2062 7.53553L31.3882 4.35355ZM0.034668 4.5H31.0347V3.5H0.034668V4.5Z\"><\/path><\/svg>\n                <div class=\"scaler-ss-card__col\">\n                  <div class=\"scaler-ss-card__col-label\">NOW:<\/div>\n                  <div class=\"scaler-ss-card__col-role js-ss-now-role\"><\/div>\n                  <div class=\"js-ss-now-company\"><\/div>\n                <\/div>\n              <\/div>\n\n              <div class=\"scaler-ss-card__quote js-ss-quote\"><\/div>\n\n              <a class=\"scaler-ss-card__cta js-ss-cta\" href=\"#\" target=\"_blank\" rel=\"noopener\">View Profile<\/a>\n            <\/div>\n          <\/article>\n        <\/div>\n      <\/template>\n\n      <div class=\"scaler-ss__inner\">\n        <h2 class=\"scaler-ss__heading\"><span class=\"ez-toc-section\" id=\"scaler-alumni-and-their-success-stories\"><\/span>Scaler Alumni and Their Success Stories<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n        <div class=\"scaler-ss__swiper-wrap\">\n          <div class=\"swiper scaler-ss-swiper\">\n            <div class=\"swiper-wrapper js-ss-wrapper\"><\/div>\n          <\/div>\n\n          <button class=\"scaler-ss__nav scaler-ss__nav--prev js-ss-prev\" aria-label=\"Previous\">\n            <svg fill=\"currentColor\" viewBox=\"0 0 32 32\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"transform: rotate(-90deg);\"><path d=\"M5.313 16l10.688-10.688 10.688 10.688-1.938 1.875-7.438-7.438v16.25h-2.625v-16.25l-7.5 7.438z\"><\/path><\/svg>\n          <\/button>\n          <button class=\"scaler-ss__nav scaler-ss__nav--next js-ss-next\" aria-label=\"Next\">\n            <svg fill=\"currentColor\" viewBox=\"0 0 32 32\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"transform: rotate(90deg);\"><path d=\"M5.313 16l10.688-10.688 10.688 10.688-1.938 1.875-7.438-7.438v16.25h-2.625v-16.25l-7.5 7.438z\"><\/path><\/svg>\n          <\/button>\n        <\/div>\n      <\/div>\n    <\/div>\n\n    <script>\n    document.addEventListener(\"DOMContentLoaded\", () => {\n\n      const ASSET_CDN = \"https:\/\/d2beiqkhq929f0.cloudfront.net\/public_assets\/assets\";\n      const AVATAR_FALLBACK =\n        \"data:image\/svg+xml,%3Csvg xmlns='http:\/\/www.w3.org\/2000\/svg' width='44' height='44' viewBox='0 0 44 44'%3E%3Ccircle cx='22' cy='22' r='22' fill='%23e6e6e6'\/%3E%3Ccircle cx='22' cy='17' r='7' fill='%23b9b9b9'\/%3E%3Cpath d='M8 40c0-8 6.3-13 14-13s14 5 14 13' fill='%23b9b9b9'\/%3E%3C\/svg%3E\";\n\n      \/\/ Mirrors buildAssetUrl(): pass through absolute urls, else build the CDN url.\n      function buildAssetUrl(raw) {\n        if (!raw) return \"\";\n        if (String(raw).startsWith(\"http\")) return raw;\n        return `${ASSET_CDN}\/${raw}\/original`;\n      }\n\n      const instances = document.querySelectorAll(\".js-scaler-ss\");\n\n      instances.forEach(container => {\n        if (container.dataset.initialized === \"true\") return;\n        container.dataset.initialized = \"true\";\n\n        const swiperElement = container.querySelector(\".scaler-ss-swiper\");\n        const wrapper = container.querySelector(\".js-ss-wrapper\");\n        const template = container.querySelector(\".js-ss-card-template\");\n        const nextBtn = container.querySelector(\".js-ss-next\");\n        const prevBtn = container.querySelector(\".js-ss-prev\");\n\n        if (!wrapper || !template) {\n          console.error(\"Scaler Success Stories: missing required elements\");\n          return;\n        }\n\n        const swiper = new Swiper(swiperElement, {\n          slidesPerView: \"auto\",\n          spaceBetween: 16,\n          grabCursor: true,\n          observer: true,\n          observeParents: true,\n          navigation: { nextEl: nextBtn, prevEl: prevBtn },\n        });\n\n        const pathParts = location.pathname.split(\"\/\").filter(Boolean);\n        const currentSlug = pathParts.length > 0 ? pathParts[pathParts.length - 1] : \"homepage\";\n        const profileUrl =\n          `https:\/\/www.scaler.com\/review\/?utm_source=blog&utm_medium=success_stories&utm_content=${currentSlug}`;\n\n        function showSkeletons(count = 4) {\n          wrapper.innerHTML = \"\";\n          for (let i = 0; i < count; i++) {\n            const clone = template.content.cloneNode(true);\n            clone.querySelector(\".scaler-ss-card\").classList.add(\"scaler-ss-card--skeleton\");\n            wrapper.appendChild(clone);\n          }\n          swiper.update();\n        }\n\n        function renderStories(stories) {\n          wrapper.innerHTML = \"\";\n          if (!stories.length) {\n            container.style.display = \"none\";   \/\/ match topics: render nothing when empty\n            return;\n          }\n\n          stories.forEach(story => {\n            const a = story.attributes || {};\n            const clone = template.content.cloneNode(true);\n\n            const hike = String(a.growth || \"\").replace(\"%\", \"\").trim() || \"150\";\n            clone.querySelector(\".js-ss-hike\").textContent = `${hike}% HIKE`;\n\n            \/\/ Avatar\n            const avatar = buildAssetUrl(a.image_url) || a.generated_thumbnail_url || \"\";\n            const img = clone.querySelector(\".js-ss-avatar\");\n            img.src = avatar || AVATAR_FALLBACK;\n            img.alt = a.name || \"Scaler alumnus\";\n            img.onerror = function () { this.onerror = null; this.src = AVATAR_FALLBACK; };\n\n            clone.querySelector(\".js-ss-name\").textContent = a.name || \"\";\n            const cityEl = clone.querySelector(\".js-ss-city\");\n            if (a.city) cityEl.textContent = a.city; else cityEl.style.display = \"none\";\n\n            \/\/ BEFORE\n            clone.querySelector(\".js-ss-before-role\").textContent = a.pre_scaler_role || a.pre_academy_company || \"\";\n            const beforeCompany = clone.querySelector(\".js-ss-before-company\");\n            if (a.pre_academy_company) beforeCompany.textContent = a.pre_academy_company;\n            else beforeCompany.style.display = \"none\";\n\n            \/\/ NOW\n            clone.querySelector(\".js-ss-now-role\").textContent = a.role || \"\";\n            const nowCompanyBox = clone.querySelector(\".js-ss-now-company\");\n            const companyLogo = buildAssetUrl(a.company_logo_url);\n            if (companyLogo) {\n              const logo = document.createElement(\"img\");\n              logo.className = \"scaler-ss-card__company-logo\";\n              logo.src = companyLogo;\n              logo.alt = a.post_academy_company || \"company\";\n              logo.loading = \"lazy\";\n              logo.onerror = function () {\n                this.onerror = null;\n                this.replaceWith(Object.assign(document.createElement(\"div\"), {\n                  className: \"scaler-ss-card__col-company\",\n                  textContent: a.post_academy_company || \"\",\n                }));\n              };\n              nowCompanyBox.appendChild(logo);\n            } else if (a.post_academy_company) {\n              nowCompanyBox.className = \"scaler-ss-card__col-company\";\n              nowCompanyBox.textContent = a.post_academy_company;\n            }\n\n            \/\/ Quote (clip to 110 chars like topics)\n            const quoteEl = clone.querySelector(\".js-ss-quote\");\n            quoteEl.textContent = `\u201c${String(a.content).slice(0, 110)}\u2026\u201d`;\n\n            \/\/ View Profile\n            clone.querySelector(\".js-ss-cta\").href = profileUrl;\n\n            wrapper.appendChild(clone);\n          });\n\n          swiper.update();\n          swiper.slideTo(0);\n        }\n\n        async function fetchStories() {\n          try {\n            showSkeletons();\n            \/\/ Same-origin POST on www.scaler.com (the blog canonical host).\n            \/\/ The endpoint only returns JSON when the Referer is a \/topics\/ page\n            \/\/ (a soft anti-hotlinking gate); a \/blog\/ referer gets a Turbolinks\n            \/\/ redirect. Since blog + topics are the same origin, we set the\n            \/\/ fetch referrer to a topics URL so the server serves the data.\n            const res = await fetch(\"\/success-stories\/testimonials\", {\n              method: \"POST\",\n              credentials: \"include\",\n              referrer: \"https:\/\/www.scaler.com\/topics\/\",\n              referrerPolicy: \"unsafe-url\",\n              headers: {\n                \"Content-Type\": \"application\/json\",\n                \"Accept\": \"application\/json\",\n                \"X-Requested-With\": \"XMLHttpRequest\",\n              },\n              \/\/ q:{} => all programs (no program filter)\n              body: JSON.stringify({\n                page_number: 1,\n                per_page: 12,\n                sort_by: \"eligible_for_qna\",\n                new_quick_filters: true,\n                quick_filter: [],\n                q: {},\n              }),\n            });\n            const json = await res.json();\n            const all = (json && json.data && json.data.data) || [];\n            \/\/ Only show stories that carry a testimonial quote (matches topics).\n            const withQuote = all.filter(s => s.attributes && s.attributes.content);\n            renderStories(withQuote);\n          } catch (error) {\n            console.error(\"Failed to load success stories:\", error);\n            container.style.display = \"none\";\n          }\n        }\n\n        fetchStories();\n      });\n    });\n    <\/script>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"frequently-asked-questions\"><\/span><strong>Frequently asked questions<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>How can I improve my NLP skills quickly?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Start with Python and a small text-classification task, then build a transparent TF-IDF baseline before using embeddings or transformers. Improve through an evaluation set, class-wise metrics and error analysis rather than more tutorials. A focused 16-week plan can create strong foundations when you practise consistently and document what each experiment changed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Do I need deep learning to learn NLP?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Not at first. Classical methods such as TF-IDF, linear classifiers, rules and keyword search teach essential data, metric and error-analysis skills. Deep learning and transformers become valuable for tasks needing contextual representations or generative capabilities. Begin with a baseline, then add model complexity only when it solves a measured limitation of the simpler approach.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Which programming language is best for NLP?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Python is the most practical first choice because it has mature libraries for data processing, classical NLP, transformers, evaluation and deployment. Java, JavaScript and other languages can also support production NLP systems, but Python gives beginners a broad learning ecosystem. Learn clean data handling and testing, not only framework syntax.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>What projects should I build to improve NLP skills?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Build a ticket classifier, semantic document search, multilingual feedback analyser or structured document-extraction service using public, synthetic or authorised data. Include a data statement, simple baseline, evaluation set, error examples, limitations and deployment note. The strongest project demonstrates that you can improve a workflow safely, not merely display generated text.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>How do I evaluate an NLP model?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Choose measures that match the task, such as precision, recall and F1 for classification or relevance and citation support for retrieval. Hold out representative examples, include difficult and unsafe cases, inspect errors by slice and add human review for subjective language outputs. Compare every new model, prompt or retrieval version against the same baseline.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Is fine-tuning necessary for NLP applications?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">No. Many applications work well with a pretrained model, clear instructions, structured output, retrieval and deterministic validation. Fine-tuning is useful when you have representative authorised data, a repeatable task and evidence that the current approach misses an important quality target. It also adds evaluation, governance and maintenance obligations, so validate the case first.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>How can I work on Indian-language NLP?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Collect and evaluate data for the languages, scripts, transliteration and code-mixed patterns your users actually use. Create language-specific error slices and involve native or domain reviewers. Do not infer local quality from English tests or automatic translation alone. Protect private messages, document limitations and provide a safe fallback when confidence is low.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A model can produce fluent text and still fail the job. It may classify a complaint incorrectly, retrieve the wrong policy, miss code-mixed language, expose a private field or generate an answer that sounds certain without evidence. Improving NLP skills means learning to build and evaluate language systems around these real failure modes, not only [&hellip;]<\/p>\n","protected":false},"author":242,"featured_media":14649,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[316,328],"tags":[],"class_list":["post-14648","post","type-post","status-publish","format-standard","has-post-thumbnail","category-artificial-intelligence","category-nlp"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.scaler.com\/blog\/wp-json\/wp\/v2\/posts\/14648","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.scaler.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.scaler.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.scaler.com\/blog\/wp-json\/wp\/v2\/users\/242"}],"replies":[{"embeddable":true,"href":"https:\/\/www.scaler.com\/blog\/wp-json\/wp\/v2\/comments?post=14648"}],"version-history":[{"count":1,"href":"https:\/\/www.scaler.com\/blog\/wp-json\/wp\/v2\/posts\/14648\/revisions"}],"predecessor-version":[{"id":14650,"href":"https:\/\/www.scaler.com\/blog\/wp-json\/wp\/v2\/posts\/14648\/revisions\/14650"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.scaler.com\/blog\/wp-json\/wp\/v2\/media\/14649"}],"wp:attachment":[{"href":"https:\/\/www.scaler.com\/blog\/wp-json\/wp\/v2\/media?parent=14648"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.scaler.com\/blog\/wp-json\/wp\/v2\/categories?post=14648"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.scaler.com\/blog\/wp-json\/wp\/v2\/tags?post=14648"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}