{"id":7656,"date":"2024-05-06T11:37:08","date_gmt":"2024-05-06T11:37:08","guid":{"rendered":"https:\/\/www.pickl.ai\/blog\/?post_type=web-story&#038;p=7656"},"modified":"2024-05-06T11:37:09","modified_gmt":"2024-05-06T11:37:09","slug":"machine-learning-interview-questions-2","status":"publish","type":"web-story","link":"https:\/\/www.pickl.ai\/blog\/web-stories\/machine-learning-interview-questions-2\/","title":{"rendered":"Machine Learning interview questions"},"content":{"rendered":"<p><html amp=\"\" lang=\"en\"><head><meta charSet=\"utf-8\"\/><meta name=\"viewport\" content=\"width=device-width,minimum-scale=1,initial-scale=1\"\/><script async=\"\" src=\"https:\/\/cdn.ampproject.org\/v0.js\"><\/script><script async=\"\" src=\"https:\/\/cdn.ampproject.org\/v0\/amp-story-1.0.js\" custom-element=\"amp-story\"><\/script><link href=\"https:\/\/fonts.googleapis.com\/css2?display=swap&amp;family=Roboto%3Awght%40400%3B700\" rel=\"stylesheet\"\/><link 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0;\n                margin: 0;\n              }<\/p>\n<p>              @media (prefers-reduced-motion: no-preference) {\n                .animation-wrapper {\n                  opacity: var(--initial-opacity);\n                  transform: var(--initial-transform);\n                }\n              }<\/p>\n<p>              amp-story-grid-layer.align-bottom {\n                align-content: end;\n                padding: 0;\n                \/* \n                  AMP CTA Layer will exactly occupy 74px regardless of any device.\n                  To space out captions 74px from the BOTTOM (AMP CTA Layer),\n                  74px from the TOP should also be spaced out and thus: 2 * 74px\n                  will be the desired max-height.\n                *\/\n                max-height: calc(100vh - (2 * 74px));\n              }<\/p>\n<p>              .captions-area {\n                padding: 0 32px 0;\n              }<\/p>\n<p>              amp-story-captions {\n                margin-bottom: 16px;\n                text-align: center;\n              }\n              <\/style>\n<p><meta name=\"web-stories-replace-head-start\"\/><title>Machine Learning interview questions<\/title><link rel=\"canonical\" href=\"https:\/\/pickl.ai\/blog\/?post_type=web-story&amp;p=7656\"\/><meta name=\"web-stories-replace-head-end\"\/><\/head><body><amp-story standalone=\"\" publisher=\"Pickl.AI\" publisher-logo-src=\"https:\/\/pickl.ai\/blog\/wp-content\/uploads\/2022\/01\/cropped-cropped-favicon.png\" title=\"Machine Learning interview questions\" poster-portrait-src=\"https:\/\/pickl.ai\/blog\/wp-content\/uploads\/2024\/05\/cropped-istockphoto-1397746896-1024x1024-1.jpg\"><amp-story-page id=\"c10aaccc-51e0-4981-b421-d0db18162d73\" auto-advance-after=\"7s\"><amp-story-grid-layer template=\"vertical\" aspect-ratio=\"412:618\" class=\"grid-layer\"><\/p>\n<div class=\"page-fullbleed-area\" style=\"background-color:#112835\">\n<div class=\"page-safe-area\">\n<div style=\"position:absolute;pointer-events:none;left:0;top:-9.25926%;width:100%;height:118.51852%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0\" class=\"mask\" id=\"el-dda4ef95-90bc-4d21-ad68-86991d0022fa\">\n<div style=\"position:absolute;width:179.10448%;height:100%;left:-39.55224%;top:0%\" data-leaf-element=\"true\"><amp-img layout=\"fill\" src=\"https:\/\/pickl.ai\/blog\/wp-content\/uploads\/2024\/03\/machine-learning-pillar-page-overview.jpeg\" alt=\"machine-learning-pillar-page-overview\" srcSet=\"https:\/\/pickl.ai\/blog\/wp-content\/uploads\/2024\/03\/machine-learning-pillar-page-overview.jpeg 810w,https:\/\/pickl.ai\/blog\/wp-content\/uploads\/2024\/03\/machine-learning-pillar-page-overview-768x762.jpeg 768w,https:\/\/pickl.ai\/blog\/wp-content\/uploads\/2024\/03\/machine-learning-pillar-page-overview-300x298.jpeg 300w,https:\/\/pickl.ai\/blog\/wp-content\/uploads\/2024\/03\/machine-learning-pillar-page-overview-150x150.jpeg 150w,https:\/\/pickl.ai\/blog\/wp-content\/uploads\/2024\/03\/machine-learning-pillar-page-overview-96x96.jpeg 96w\" sizes=\"(min-width: 1024px) 81vh, 179vw\" disable-inline-width=\"true\"><\/amp-img><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><\/amp-story-grid-layer><amp-story-grid-layer template=\"vertical\" aspect-ratio=\"412:618\" class=\"grid-layer\"><\/p>\n<div class=\"page-fullbleed-area\">\n<div class=\"page-safe-area\">\n<div style=\"position:absolute;pointer-events:none;left:25.72816%;top:60.5178%;width:53.8835%;height:29.93528%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0\" class=\"mask\" id=\"el-aab9ce11-eba2-4f78-8171-fc4cfe6b32a4\">\n<div class=\"fill\" style=\"background-color:#000;will-change:transform\"><\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:16.01942%;top:61.65049%;width:67.96117%;height:27.6699%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:0.7142857142857143% 0.7142857142857143% 0.7142857142857143% 0.7142857142857143% \/ 1.1695906432748537% 1.1695906432748537% 1.1695906432748537% 1.1695906432748537%\" id=\"el-5e362acf-6fe5-4331-98ce-4fc9e68938be\">\n<h1 id=\"machine-learning-interview-questions\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:-0.11651785714285648% 0;font-family:&quot;Roboto&quot;,sans-serif;font-size:0.582524em;line-height:1.19;text-align:center;padding:0;color:#000000\"><span><span style=\"font-weight: 700; color: #eee\">Machine Learning Interview Questions<\/span><\/span><\/h1>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><\/amp-story-grid-layer><\/amp-story-page><amp-story-page id=\"bddc11bc-aa16-4d89-b454-beb02dcc5165\" auto-advance-after=\"7s\"><amp-story-animation layout=\"nodisplay\" trigger=\"visibility\"><script type=\"application\/json\">[{\"selector\":\"#anim-de5e9287-3a1e-455e-ae1e-2ca96164d66b\",\"keyframes\":{\"opacity\":[0,1]},\"delay\":0,\"duration\":2000,\"easing\":\"cubic-bezier(.3,0,.55,1)\",\"fill\":\"both\"}]<\/script><\/amp-story-animation><amp-story-animation layout=\"nodisplay\" trigger=\"visibility\"><script type=\"application\/json\">[{\"selector\":\"#anim-314eddb0-ff82-45e7-a8a5-8aaf2fbf0c94\",\"keyframes\":{\"transform\":[\"scale(0.3333333333333333)\",\"scale(1)\"]},\"delay\":0,\"duration\":2000,\"easing\":\"cubic-bezier(.3,0,.55,1)\",\"fill\":\"forwards\"}]<\/script><\/amp-story-animation><amp-story-grid-layer template=\"vertical\" aspect-ratio=\"412:618\" class=\"grid-layer\"><\/p>\n<div class=\"page-fullbleed-area\" style=\"background-color:#6d9fff\">\n<div class=\"page-safe-area\">\n<div style=\"position:absolute;pointer-events:none;left:0;top:-9.25926%;width:100%;height:118.51852%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0\" class=\"mask\" id=\"el-ba2fe79f-4e55-4403-9bde-47b367c71dda\">\n<div class=\"fill\" style=\"will-change:transform\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><\/amp-story-grid-layer><amp-story-grid-layer template=\"vertical\" aspect-ratio=\"412:618\" class=\"grid-layer\"><\/p>\n<div class=\"page-fullbleed-area\">\n<div class=\"page-safe-area\">\n<div style=\"position:absolute;pointer-events:none;left:16.86893%;top:66.34304%;width:66.74757%;height:26.05178%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0\" class=\"mask\" id=\"el-c286bddb-2244-4759-acf3-600a818ba5bf\">\n<div class=\"fill\" style=\"background-color:#c4c4c4;will-change:transform\"><\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:14.80583%;top:35.92233%;width:69.90291%;height:25.24272%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0\" class=\"mask\" id=\"el-61387ac8-fccc-4dc7-962a-3b9fd039d16d\">\n<div class=\"fill\" style=\"background-color:#c4c4c4;will-change:transform\"><\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:18.20388%;top:38.51133%;width:63.34951%;height:20.87379%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:0.7662835249042145% 0.7662835249042145% 0.7662835249042145% 0.7662835249042145% \/ 1.550387596899225% 1.550387596899225% 1.550387596899225% 1.550387596899225%\" id=\"el-40f10f58-2da1-47d2-9bdc-7bcfff4dfe6a\">\n<h2 id=\"whats-the-difference-between-supervised-and-unsupervised-learning\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:-0.1454741379310342% 0;font-family:&quot;Roboto&quot;,sans-serif;font-size:0.436893em;line-height:1.2;text-align:center;padding:0;color:#000000\"><span><span style=\"font-weight: 700\">What&#8217;s the difference between supervised and unsupervised learning?<\/span><\/span><\/h2>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:19.66019%;top:67.31392%;width:62.62136%;height:24.11003%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:0.7751937984496124% 0.7751937984496124% 0.7751937984496124% 0.7751937984496124% \/ 1.342281879194631% 1.342281879194631% 1.342281879194631% 1.342281879194631%\" id=\"el-47dd7a44-d073-4d1a-a465-faef79655bf1\">\n<h3 id=\"supervised-has-labeled-data-unsupervised-doesnt-example-regression-vs-clustering\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:-0.13626453488372092% 0;font-family:&quot;Roboto&quot;,sans-serif;font-size:0.404531em;line-height:1.2;text-align:center;padding:0;color:#000000\"><span>Supervised has labeled data; unsupervised doesn&#8217;t. Example: regression vs. clustering.&#8221;<\/span><\/h3>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:21.84466%;top:4.53074%;width:57.03883%;height:26.3754%;transform:rotate(360deg);opacity:1\">\n<div id=\"anim-de5e9287-3a1e-455e-ae1e-2ca96164d66b\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:0;--initial-transform:none\">\n<div id=\"anim-314eddb0-ff82-45e7-a8a5-8aaf2fbf0c94\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:1;--initial-transform:scale(0.3333333333333333)\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0\" class=\"mask\" id=\"el-ae216e2e-b84a-431c-bb9b-fec8a4b1f174\">\n<div style=\"position:absolute;width:100%;height:104.42157%;left:0%;top:-2.21078%\" data-leaf-element=\"true\"><amp-img layout=\"fill\" src=\"https:\/\/pickl.ai\/blog\/wp-content\/uploads\/2024\/03\/image3-6.png\" alt=\"\" srcSet=\"https:\/\/pickl.ai\/blog\/wp-content\/uploads\/2024\/03\/image3-6.png 1400w,https:\/\/pickl.ai\/blog\/wp-content\/uploads\/2024\/03\/image3-6-1024x742.png 1024w,https:\/\/pickl.ai\/blog\/wp-content\/uploads\/2024\/03\/image3-6-768x556.png 768w,https:\/\/pickl.ai\/blog\/wp-content\/uploads\/2024\/03\/image3-6-300x217.png 300w,https:\/\/pickl.ai\/blog\/wp-content\/uploads\/2024\/03\/image3-6-150x109.png 150w\" sizes=\"(min-width: 1024px) 26vh, 57vw\" disable-inline-width=\"true\"><\/amp-img><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><\/amp-story-grid-layer><\/amp-story-page><amp-story-page id=\"4a75d9ee-4c7d-4d00-b2ae-d98234534d13\" auto-advance-after=\"7s\"><amp-story-animation layout=\"nodisplay\" trigger=\"visibility\"><script type=\"application\/json\">[{\"selector\":\"#anim-beebb3d9-53e0-43af-af2d-8077da6314cb\",\"keyframes\":{\"opacity\":[0,1]},\"delay\":0,\"duration\":2000,\"easing\":\"cubic-bezier(.3,0,.55,1)\",\"fill\":\"both\"}]<\/script><\/amp-story-animation><amp-story-animation layout=\"nodisplay\" trigger=\"visibility\"><script type=\"application\/json\">[{\"selector\":\"#anim-b51ca9c8-9a12-4488-9ef9-a79fb11cd7c3\",\"keyframes\":{\"transform\":[\"scale(0.3333333333333333)\",\"scale(1)\"]},\"delay\":0,\"duration\":2000,\"easing\":\"cubic-bezier(.3,0,.55,1)\",\"fill\":\"forwards\"}]<\/script><\/amp-story-animation><amp-story-animation layout=\"nodisplay\" trigger=\"visibility\"><script type=\"application\/json\">[{\"selector\":\"#anim-efc949cf-383d-44f2-b4cf-cc812cd82199\",\"keyframes\":{\"opacity\":[0,1]},\"delay\":0,\"duration\":2000,\"easing\":\"cubic-bezier(.3,0,.55,1)\",\"fill\":\"both\"}]<\/script><\/amp-story-animation><amp-story-animation layout=\"nodisplay\" trigger=\"visibility\"><script type=\"application\/json\">[{\"selector\":\"#anim-008e60a3-ad80-4625-a594-cd1989b988cb\",\"keyframes\":{\"transform\":[\"scale(0.3333333333333333)\",\"scale(1)\"]},\"delay\":0,\"duration\":2000,\"easing\":\"cubic-bezier(.3,0,.55,1)\",\"fill\":\"forwards\"}]<\/script><\/amp-story-animation><amp-story-grid-layer template=\"vertical\" aspect-ratio=\"412:618\" class=\"grid-layer\"><\/p>\n<div class=\"page-fullbleed-area\" style=\"background-color:#e0aaff\">\n<div class=\"page-safe-area\">\n<div style=\"position:absolute;pointer-events:none;left:0;top:-9.25926%;width:100%;height:118.51852%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0\" class=\"mask\" id=\"el-52b916af-732a-4258-9000-99519e9aa037\">\n<div class=\"fill\" style=\"will-change:transform\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><\/amp-story-grid-layer><amp-story-grid-layer template=\"vertical\" aspect-ratio=\"412:618\" class=\"grid-layer\"><\/p>\n<div class=\"page-fullbleed-area\">\n<div class=\"page-safe-area\">\n<div style=\"position:absolute;pointer-events:none;left:22.57282%;top:87.86408%;width:54.36893%;height:9.06149%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0\" class=\"mask\" id=\"el-d6daae5d-92e2-4dff-9f8a-1276b5acb878\">\n<div class=\"fill\" style=\"background-color:#eee;will-change:transform\"><\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:16.74757%;top:33.65696%;width:66.74757%;height:16.34304%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0\" class=\"mask\" id=\"el-bab193ca-dfe3-4f29-b4b7-846398a67669\">\n<div class=\"fill\" style=\"background-color:#000;will-change:transform\"><\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:16.01942%;top:52.589%;width:66.99029%;height:31.39159%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0\" class=\"mask\" id=\"el-7ad1211a-357e-42e8-8bf8-386ff3627586\">\n<div class=\"fill\" style=\"background-color:#000;will-change:transform\"><\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:18.93204%;top:36.24595%;width:63.34951%;height:10.35599%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:0.7662835249042145% 0.7662835249042145% 0.7662835249042145% 0.7662835249042145% \/ 3.125% 3.125% 3.125% 3.125%\" id=\"el-154a9587-c08c-43b3-8536-d31df434d599\">\n<h2 id=\"can-you-explain-overfitting\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:-0.1454741379310342% 0;font-family:&quot;Roboto&quot;,sans-serif;font-size:0.436893em;line-height:1.2;text-align:center;padding:0;color:#000000\"><span><span style=\"font-weight: 700; color: #eee\">Can you explain overfitting?<\/span><\/span><\/h2>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:18.20388%;top:53.72168%;width:62.62136%;height:29.12621%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:0.7751937984496124% 0.7751937984496124% 0.7751937984496124% 0.7751937984496124% \/ 1.1111111111111112% 1.1111111111111112% 1.1111111111111112% 1.1111111111111112%\" id=\"el-c3f98a3d-c0e3-4635-9eee-716508e5b8b4\">\n<h3 id=\"overfitting-is-when-a-model-fits-training-data-too-closely-performing-poorly-on-newdata-regularization-techniques-prevent-it\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:-0.13626453488372092% 0;font-family:&quot;Roboto&quot;,sans-serif;font-size:0.404531em;line-height:1.2;text-align:center;padding:0;color:#000000\"><span><span style=\"color: #eee\">Overfitting is when a model fits training data too closely, performing poorly on newdata. Regularization techniques prevent it.<\/span><\/span><\/h3>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:21.35922%;top:3.8835%;width:57.03883%;height:26.3754%;transform:rotate(360deg);opacity:1\">\n<div id=\"anim-beebb3d9-53e0-43af-af2d-8077da6314cb\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:0;--initial-transform:none\">\n<div id=\"anim-b51ca9c8-9a12-4488-9ef9-a79fb11cd7c3\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:1;--initial-transform:scale(0.3333333333333333)\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0\" class=\"mask\" id=\"el-119324f6-74f4-41e5-b8d3-8475c750ba9f\">\n<div style=\"position:absolute;width:100%;height:108.0966%;left:0%;top:-4.0483%\" data-leaf-element=\"true\"><amp-img layout=\"fill\" src=\"https:\/\/images.unsplash.com\/photo-1504639725590-34d0984388bd?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHwyfHxtYWNoaW5lJTIwbGVhcm5pbmd8ZW58MHx8fHwxNzE0OTY5NDYwfDA&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=3353&amp;h=2514&amp;fit=max\" alt=\"closeup photo of eyeglasses\" srcSet=\"https:\/\/images.unsplash.com\/photo-1504639725590-34d0984388bd?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHwyfHxtYWNoaW5lJTIwbGVhcm5pbmd8ZW58MHx8fHwxNzE0OTY5NDYwfDA&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=3353&amp;h=2514&amp;fit=max 3353w,https:\/\/images.unsplash.com\/photo-1504639725590-34d0984388bd?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHwyfHxtYWNoaW5lJTIwbGVhcm5pbmd8ZW58MHx8fHwxNzE0OTY5NDYwfDA&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=2682&amp;h=2011&amp;fit=max 2682w,https:\/\/images.unsplash.com\/photo-1504639725590-34d0984388bd?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHwyfHxtYWNoaW5lJTIwbGVhcm5pbmd8ZW58MHx8fHwxNzE0OTY5NDYwfDA&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=2011&amp;h=1508&amp;fit=max 2011w,https:\/\/images.unsplash.com\/photo-1504639725590-34d0984388bd?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHwyfHxtYWNoaW5lJTIwbGVhcm5pbmd8ZW58MHx8fHwxNzE0OTY5NDYwfDA&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=1341&amp;h=1005&amp;fit=max 1341w,https:\/\/images.unsplash.com\/photo-1504639725590-34d0984388bd?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHwyfHxtYWNoaW5lJTIwbGVhcm5pbmd8ZW58MHx8fHwxNzE0OTY5NDYwfDA&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=670&amp;h=502&amp;fit=max 670w,https:\/\/images.unsplash.com\/photo-1504639725590-34d0984388bd?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHwyfHxtYWNoaW5lJTIwbGVhcm5pbmd8ZW58MHx8fHwxNzE0OTY5NDYwfDA&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=340&amp;h=255&amp;fit=max 340w\" sizes=\"(min-width: 1024px) 26vh, 57vw\" disable-inline-width=\"true\"><\/amp-img><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:33.00971%;top:89.80583%;width:35.19417%;height:5.01618%;opacity:1\">\n<div id=\"anim-efc949cf-383d-44f2-b4cf-cc812cd82199\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:0;--initial-transform:none\">\n<div id=\"anim-008e60a3-ad80-4625-a594-cd1989b988cb\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:1;--initial-transform:scale(0.3333333333333333)\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:1.3793103448275863% 1.3793103448275863% 1.3793103448275863% 1.3793103448275863% \/ 6.451612903225806% 6.451612903225806% 6.451612903225806% 6.451612903225806%\" id=\"el-e08320cd-0f37-4305-bc82-6868ad3ebe81\"><a href=\"https:\/\/pickl.ai\/blog\/tag\/underfitting-and-overfitting-in-machine-learning-with-example\/\" data-tooltip-icon=\"https:\/\/pickl.ai\/blog\/wp-content\/uploads\/2022\/01\/cropped-favicon-180x180.png\" data-tooltip-text=\"underfitting and overfitting in machine learning with Example Archives - Pickl.AI\" target=\"_blank\" rel=\"noreferrer noopener\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0\"><\/p>\n<h2 id=\"read-more\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:-0.26185344827586154% 0;font-family:&quot;Roboto&quot;,sans-serif;font-size:0.436893em;line-height:1.2;text-align:center;padding:0;color:#000000\"><span><span style=\"font-weight: 700\">Read more<\/span><\/span><\/h2>\n<p><\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><\/amp-story-grid-layer><\/amp-story-page><amp-story-page id=\"a262fbe5-17e6-46db-aa49-43fe8ade9375\" auto-advance-after=\"7s\"><amp-story-animation layout=\"nodisplay\" trigger=\"visibility\"><script type=\"application\/json\">[{\"selector\":\"#anim-5c7db3bf-f77b-475a-a96a-1af7410e59be\",\"keyframes\":{\"opacity\":[0,1]},\"delay\":0,\"duration\":2000,\"easing\":\"cubic-bezier(.3,0,.55,1)\",\"fill\":\"both\"}]<\/script><\/amp-story-animation><amp-story-animation layout=\"nodisplay\" trigger=\"visibility\"><script type=\"application\/json\">[{\"selector\":\"#anim-4c2823ad-2512-4c29-8097-4e58af1355f5\",\"keyframes\":{\"transform\":[\"scale(0.3333333333333333)\",\"scale(1)\"]},\"delay\":0,\"duration\":2000,\"easing\":\"cubic-bezier(.3,0,.55,1)\",\"fill\":\"forwards\"}]<\/script><\/amp-story-animation><amp-story-grid-layer template=\"vertical\" aspect-ratio=\"412:618\" class=\"grid-layer\"><\/p>\n<div class=\"page-fullbleed-area\" style=\"background-color:#ff758f\">\n<div class=\"page-safe-area\">\n<div style=\"position:absolute;pointer-events:none;left:0;top:-9.25926%;width:100%;height:118.51852%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0\" class=\"mask\" id=\"el-10bf5f64-849a-425e-bfda-155b3338395d\">\n<div class=\"fill\" style=\"will-change:transform\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><\/amp-story-grid-layer><amp-story-grid-layer template=\"vertical\" aspect-ratio=\"412:618\" class=\"grid-layer\"><\/p>\n<div class=\"page-fullbleed-area\">\n<div class=\"page-safe-area\">\n<div style=\"position:absolute;pointer-events:none;left:18.68932%;top:35.76052%;width:66.74757%;height:14.23948%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0\" class=\"mask\" id=\"el-188d4151-7303-4699-8a9f-c11d59efdbf7\">\n<div class=\"fill\" style=\"background-color:#6d9fff;will-change:transform\"><\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:18.4466%;top:57.76699%;width:65.53398%;height:35.76052%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0\" class=\"mask\" id=\"el-0752329c-ea69-42d2-887f-dc5f69fd680f\">\n<div class=\"fill\" style=\"background-color:#6d9fff;will-change:transform\"><\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:20.87379%;top:38.34951%;width:63.34951%;height:10.35599%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:0.7662835249042145% 0.7662835249042145% 0.7662835249042145% 0.7662835249042145% \/ 3.125% 3.125% 3.125% 3.125%\" id=\"el-b25b8b6a-87ec-42b8-b8d1-623aa42043f9\">\n<h2 id=\"define-bias-variance-tradeoff\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:-0.1454741379310342% 0;font-family:&quot;Roboto&quot;,sans-serif;font-size:0.436893em;line-height:1.2;text-align:center;padding:0;color:#000000\"><span><span style=\"font-weight: 700\">Define bias-variance tradeoff.<\/span><\/span><\/h2>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:20.63107%;top:58.73786%;width:63.34951%;height:33.81877%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:0.7662835249042145% 0.7662835249042145% 0.7662835249042145% 0.7662835249042145% \/ 0.9569377990430622% 0.9569377990430622% 0.9569377990430622% 0.9569377990430622%\" id=\"el-1fc5fb2c-dd57-4f07-ba6d-a11d7d44a3d4\">\n<h3 id=\"balancing-bias-underfitting-and-variance-overfitting-for-optimal-model-performance-techniques-like-cross-validation-help\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:-0.13469827586206898% 0;font-family:&quot;Roboto&quot;,sans-serif;font-size:0.404531em;line-height:1.2;text-align:center;padding:0;color:#000000\"><span>Balancing bias (underfitting) and variance (overfitting) for optimal model performance. Techniques like cross-validation help.&#8221;<\/span><\/h3>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:21.60194%;top:4.36893%;width:61.65049%;height:26.3754%;transform:rotate(360deg);opacity:1\">\n<div id=\"anim-5c7db3bf-f77b-475a-a96a-1af7410e59be\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:0;--initial-transform:none\">\n<div id=\"anim-4c2823ad-2512-4c29-8097-4e58af1355f5\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:1;--initial-transform:scale(0.3333333333333333)\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0\" class=\"mask\" id=\"el-48828fa3-2a75-4659-9ce4-7d2c557a6088\">\n<div style=\"position:absolute;width:100%;height:103.88551%;left:0%;top:-1.94275%\" data-leaf-element=\"true\"><amp-img layout=\"fill\" src=\"https:\/\/images.unsplash.com\/photo-1511376777868-611b54f68947?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHw3fHxtYWNoaW5lJTIwbGVhcm5pbmd8ZW58MHx8fHwxNzE0OTY5NDYwfDA&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=5472&amp;h=3648&amp;fit=max\" alt=\"person facing computer desktop\" srcSet=\"https:\/\/images.unsplash.com\/photo-1511376777868-611b54f68947?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHw3fHxtYWNoaW5lJTIwbGVhcm5pbmd8ZW58MHx8fHwxNzE0OTY5NDYwfDA&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=5472&amp;h=3648&amp;fit=max 5472w,https:\/\/images.unsplash.com\/photo-1511376777868-611b54f68947?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHw3fHxtYWNoaW5lJTIwbGVhcm5pbmd8ZW58MHx8fHwxNzE0OTY5NDYwfDA&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=4377&amp;h=2918&amp;fit=max 4377w,https:\/\/images.unsplash.com\/photo-1511376777868-611b54f68947?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHw3fHxtYWNoaW5lJTIwbGVhcm5pbmd8ZW58MHx8fHwxNzE0OTY5NDYwfDA&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=3283&amp;h=2189&amp;fit=max 3283w,https:\/\/images.unsplash.com\/photo-1511376777868-611b54f68947?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHw3fHxtYWNoaW5lJTIwbGVhcm5pbmd8ZW58MHx8fHwxNzE0OTY5NDYwfDA&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=2188&amp;h=1459&amp;fit=max 2188w,https:\/\/images.unsplash.com\/photo-1511376777868-611b54f68947?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHw3fHxtYWNoaW5lJTIwbGVhcm5pbmd8ZW58MHx8fHwxNzE0OTY5NDYwfDA&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=1094&amp;h=729&amp;fit=max 1094w,https:\/\/images.unsplash.com\/photo-1511376777868-611b54f68947?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHw3fHxtYWNoaW5lJTIwbGVhcm5pbmd8ZW58MHx8fHwxNzE0OTY5NDYwfDA&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=340&amp;h=227&amp;fit=max 340w\" sizes=\"(min-width: 1024px) 28vh, 62vw\" disable-inline-width=\"true\"><\/amp-img><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><\/amp-story-grid-layer><\/amp-story-page><amp-story-page id=\"90906d07-f644-4795-9c6c-0901907a52b0\" auto-advance-after=\"7s\"><amp-story-animation layout=\"nodisplay\" trigger=\"visibility\"><script type=\"application\/json\">[{\"selector\":\"#anim-06854ec5-28b3-4f3b-8f6c-18a3818741b9\",\"keyframes\":{\"opacity\":[0,1]},\"delay\":0,\"duration\":2000,\"easing\":\"cubic-bezier(.3,0,.55,1)\",\"fill\":\"both\"}]<\/script><\/amp-story-animation><amp-story-animation layout=\"nodisplay\" trigger=\"visibility\"><script type=\"application\/json\">[{\"selector\":\"#anim-9cec1fb7-1196-4d95-b54c-1770d4339d9d\",\"keyframes\":{\"transform\":[\"scale(0.3333333333333333)\",\"scale(1)\"]},\"delay\":0,\"duration\":2000,\"easing\":\"cubic-bezier(.3,0,.55,1)\",\"fill\":\"forwards\"}]<\/script><\/amp-story-animation><amp-story-animation layout=\"nodisplay\" trigger=\"visibility\"><script type=\"application\/json\">[{\"selector\":\"#anim-f1bb3c5a-3ea5-4dc1-a0fe-b89a9e98bc10\",\"keyframes\":{\"opacity\":[0,1]},\"delay\":0,\"duration\":2000,\"easing\":\"cubic-bezier(.3,0,.55,1)\",\"fill\":\"both\"}]<\/script><\/amp-story-animation><amp-story-animation layout=\"nodisplay\" trigger=\"visibility\"><script type=\"application\/json\">[{\"selector\":\"#anim-9dea2d77-0941-4be2-804b-31862dde2770\",\"keyframes\":{\"transform\":[\"scale(0.3333333333333333)\",\"scale(1)\"]},\"delay\":0,\"duration\":2000,\"easing\":\"cubic-bezier(.3,0,.55,1)\",\"fill\":\"forwards\"}]<\/script><\/amp-story-animation><amp-story-grid-layer template=\"vertical\" aspect-ratio=\"412:618\" class=\"grid-layer\"><\/p>\n<div class=\"page-fullbleed-area\" style=\"background-color:#ffffb7\">\n<div class=\"page-safe-area\">\n<div style=\"position:absolute;pointer-events:none;left:0;top:-9.25926%;width:100%;height:118.51852%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0\" class=\"mask\" id=\"el-95138ff7-aa9e-4a66-b80d-386e69a54374\">\n<div class=\"fill\" style=\"will-change:transform\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><\/amp-story-grid-layer><amp-story-grid-layer template=\"vertical\" aspect-ratio=\"412:618\" class=\"grid-layer\"><\/p>\n<div class=\"page-fullbleed-area\">\n<div class=\"page-safe-area\">\n<div style=\"position:absolute;pointer-events:none;left:24.51456%;top:89.15858%;width:51.45631%;height:8.57605%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0\" class=\"mask\" id=\"el-ec220070-1009-45a6-a191-34716d126c52\">\n<div class=\"fill\" style=\"background-color:rgba(196,196,196,0.7);will-change:transform\"><\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:16.26214%;top:33.33333%;width:66.74757%;height:14.23948%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0\" class=\"mask\" id=\"el-70948e05-bb0e-4238-8f6e-b343bec79a86\">\n<div class=\"fill\" style=\"background-color:#e0aaff;will-change:transform\"><\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:16.74757%;top:49.83819%;width:65.53398%;height:35.76052%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0\" class=\"mask\" id=\"el-250b0d23-7962-4275-aa5d-23d437055c7d\">\n<div class=\"fill\" style=\"background-color:#e0aaff;will-change:transform\"><\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:18.68932%;top:35.27508%;width:63.34951%;height:10.35599%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:0.7662835249042145% 0.7662835249042145% 0.7662835249042145% 0.7662835249042145% \/ 3.125% 3.125% 3.125% 3.125%\" id=\"el-edfdb93e-9a30-4bd6-b2d2-03323d9d390a\">\n<h2 id=\"whats-feature-engineering\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:-0.1454741379310342% 0;font-family:&quot;Roboto&quot;,sans-serif;font-size:0.436893em;line-height:1.2;text-align:center;padding:0;color:#000000\"><span><span style=\"font-weight: 700\">What&#8217;s feature engineering?<\/span><\/span><\/h2>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:18.4466%;top:50.80906%;width:63.34951%;height:33.81877%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:0.7662835249042145% 0.7662835249042145% 0.7662835249042145% 0.7662835249042145% \/ 0.9569377990430622% 0.9569377990430622% 0.9569377990430622% 0.9569377990430622%\" id=\"el-1e4e7c37-f7a4-4416-95b2-aa3b5d1bd6a1\">\n<h3 id=\"transforming-raw-data-into-meaningful-features-for-model-training-examples-scaling-one-hot-encoding-and-feature-selection\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:-0.13469827586206898% 0;font-family:&quot;Roboto&quot;,sans-serif;font-size:0.404531em;line-height:1.2;text-align:center;padding:0;color:#000000\"><span>Transforming raw data into meaningful features for model training. Examples: scaling, one-hot encoding, and feature selection.<\/span><\/h3>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:18.4466%;top:2.589%;width:62.62136%;height:26.3754%;transform:rotate(360deg);opacity:1\">\n<div id=\"anim-06854ec5-28b3-4f3b-8f6c-18a3818741b9\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:0;--initial-transform:none\">\n<div id=\"anim-9cec1fb7-1196-4d95-b54c-1770d4339d9d\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:1;--initial-transform:scale(0.3333333333333333)\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0\" class=\"mask\" id=\"el-1169206d-ef49-4574-8ae6-1238ef54dbe3\">\n<div style=\"position:absolute;width:100%;height:105.63619%;left:0%;top:-2.81809%\" data-leaf-element=\"true\"><amp-img layout=\"fill\" src=\"https:\/\/images.unsplash.com\/photo-1454165804606-c3d57bc86b40?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHw5fHxtYWNoaW5lJTIwbGVhcm5pbmd8ZW58MHx8fHwxNzE0OTY5NDYwfDA&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=7360&amp;h=4912&amp;fit=max\" alt=\"person holding pencil near laptop computer\" srcSet=\"https:\/\/images.unsplash.com\/photo-1454165804606-c3d57bc86b40?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHw5fHxtYWNoaW5lJTIwbGVhcm5pbmd8ZW58MHx8fHwxNzE0OTY5NDYwfDA&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=7360&amp;h=4912&amp;fit=max 7360w,https:\/\/images.unsplash.com\/photo-1454165804606-c3d57bc86b40?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHw5fHxtYWNoaW5lJTIwbGVhcm5pbmd8ZW58MHx8fHwxNzE0OTY5NDYwfDA&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=5888&amp;h=3930&amp;fit=max 5888w,https:\/\/images.unsplash.com\/photo-1454165804606-c3d57bc86b40?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHw5fHxtYWNoaW5lJTIwbGVhcm5pbmd8ZW58MHx8fHwxNzE0OTY5NDYwfDA&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=4416&amp;h=2947&amp;fit=max 4416w,https:\/\/images.unsplash.com\/photo-1454165804606-c3d57bc86b40?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHw5fHxtYWNoaW5lJTIwbGVhcm5pbmd8ZW58MHx8fHwxNzE0OTY5NDYwfDA&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=2944&amp;h=1965&amp;fit=max 2944w,https:\/\/images.unsplash.com\/photo-1454165804606-c3d57bc86b40?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHw5fHxtYWNoaW5lJTIwbGVhcm5pbmd8ZW58MHx8fHwxNzE0OTY5NDYwfDA&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=1472&amp;h=982&amp;fit=max 1472w,https:\/\/images.unsplash.com\/photo-1454165804606-c3d57bc86b40?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHw5fHxtYWNoaW5lJTIwbGVhcm5pbmd8ZW58MHx8fHwxNzE0OTY5NDYwfDA&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=340&amp;h=227&amp;fit=max 340w\" sizes=\"(min-width: 1024px) 28vh, 63vw\" disable-inline-width=\"true\"><\/amp-img><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:32.76699%;top:90.93851%;width:35.19417%;height:5.01618%;opacity:1\">\n<div id=\"anim-f1bb3c5a-3ea5-4dc1-a0fe-b89a9e98bc10\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:0;--initial-transform:none\">\n<div id=\"anim-9dea2d77-0941-4be2-804b-31862dde2770\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:1;--initial-transform:scale(0.3333333333333333)\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:1.3793103448275863% 1.3793103448275863% 1.3793103448275863% 1.3793103448275863% \/ 6.451612903225806% 6.451612903225806% 6.451612903225806% 6.451612903225806%\" id=\"el-9c2bfc10-936c-4f63-a23e-e6945b3187cb\"><a href=\"https:\/\/pickl.ai\/blog\/machine-learning-interview-questions-ace-your-next-interview\/\" target=\"_blank\" rel=\"noreferrer noopener\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0\"><\/p>\n<h2 id=\"read-more-2\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:-0.26185344827586154% 0;font-family:&quot;Roboto&quot;,sans-serif;font-size:0.436893em;line-height:1.2;text-align:left;padding:0;color:#000000\"><span><span style=\"font-weight: 700\">Read more<\/span><\/span><\/h2>\n<p><\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><\/amp-story-grid-layer><\/amp-story-page><amp-story-page id=\"247a21b4-87c1-41a3-a208-06d7b76ed7ed\" auto-advance-after=\"7s\"><amp-story-animation layout=\"nodisplay\" trigger=\"visibility\"><script type=\"application\/json\">[{\"selector\":\"#anim-f8fb1ce3-81c0-4055-a734-89de1586510e\",\"keyframes\":{\"opacity\":[0,1]},\"delay\":0,\"duration\":2000,\"easing\":\"cubic-bezier(.3,0,.55,1)\",\"fill\":\"both\"}]<\/script><\/amp-story-animation><amp-story-animation layout=\"nodisplay\" trigger=\"visibility\"><script type=\"application\/json\">[{\"selector\":\"#anim-d09d1242-799b-459d-9cc2-35c6c2faeeeb\",\"keyframes\":{\"transform\":[\"scale(0.3333333333333333)\",\"scale(1)\"]},\"delay\":0,\"duration\":2000,\"easing\":\"cubic-bezier(.3,0,.55,1)\",\"fill\":\"forwards\"}]<\/script><\/amp-story-animation><amp-story-animation layout=\"nodisplay\" trigger=\"visibility\"><script type=\"application\/json\">[{\"selector\":\"#anim-0bd08dc9-0ac7-4cf9-9d86-b1ec04adaa8f\",\"keyframes\":{\"opacity\":[0,1]},\"delay\":0,\"duration\":2000,\"easing\":\"cubic-bezier(.3,0,.55,1)\",\"fill\":\"both\"}]<\/script><\/amp-story-animation><amp-story-animation layout=\"nodisplay\" trigger=\"visibility\"><script type=\"application\/json\">[{\"selector\":\"#anim-7c983ca0-d913-4b69-a252-d10c70ee78b5\",\"keyframes\":{\"transform\":[\"scale(0.3333333333333333)\",\"scale(1)\"]},\"delay\":0,\"duration\":2000,\"easing\":\"cubic-bezier(.3,0,.55,1)\",\"fill\":\"forwards\"}]<\/script><\/amp-story-animation><amp-story-grid-layer template=\"vertical\" aspect-ratio=\"412:618\" class=\"grid-layer\"><\/p>\n<div class=\"page-fullbleed-area\" style=\"background-color:#c1d3aa\">\n<div class=\"page-safe-area\">\n<div style=\"position:absolute;pointer-events:none;left:0;top:-9.25926%;width:100%;height:118.51852%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0\" class=\"mask\" id=\"el-04497780-9405-4a79-ad83-4ae8a724fdc7\">\n<div class=\"fill\" style=\"will-change:transform\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><\/amp-story-grid-layer><amp-story-grid-layer template=\"vertical\" aspect-ratio=\"412:618\" class=\"grid-layer\"><\/p>\n<div class=\"page-fullbleed-area\">\n<div class=\"page-safe-area\">\n<div style=\"position:absolute;pointer-events:none;left:18.93204%;top:88.67314%;width:58.00971%;height:9.38511%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0\" class=\"mask\" id=\"el-526b94bf-3ced-46f0-b90b-4b714a6f45c3\">\n<div class=\"fill\" style=\"background-color:rgba(18,99,255,0.5);will-change:transform\"><\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:16.50485%;top:33.65696%;width:66.74757%;height:17.47573%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0\" class=\"mask\" id=\"el-8ddfb067-9a7c-460b-9c82-28798dd21733\">\n<div class=\"fill\" style=\"background-color:#bc8a5f;will-change:transform\"><\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:15.04854%;top:53.8835%;width:67.23301%;height:31.5534%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0\" class=\"mask\" id=\"el-3a382e6a-2c03-49b1-8a8e-46c89681f791\">\n<div class=\"fill\" style=\"background-color:#bc8a5f;will-change:transform\"><\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:18.20388%;top:35.59871%;width:63.34951%;height:15.53398%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:0.7662835249042145% 0.7662835249042145% 0.7662835249042145% 0.7662835249042145% \/ 2.083333333333333% 2.083333333333333% 2.083333333333333% 2.083333333333333%\" id=\"el-a487da83-c108-4076-8e8e-250888096c5f\">\n<h2 id=\"how-do-you-evaluate-a-classification-model\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:-0.1454741379310342% 0;font-family:&quot;Roboto&quot;,sans-serif;font-size:0.436893em;line-height:1.2;text-align:center;padding:0;color:#000000\"><span><span style=\"font-weight: 700\">How do you evaluate a classification model?<\/span><\/span><\/h2>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:17.23301%;top:55.17799%;width:63.34951%;height:29.12621%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:0.7662835249042145% 0.7662835249042145% 0.7662835249042145% 0.7662835249042145% \/ 1.1111111111111112% 1.1111111111111112% 1.1111111111111112% 1.1111111111111112%\" id=\"el-3f95790a-8aa1-4f4e-b285-c10d0f2bfc5d\">\n<h3 id=\"metrics-like-accuracy-precision-recall-and-f1-score-assess-its-performance-on-test-data-choose-based-on-project-goals\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:-0.13469827586206898% 0;font-family:&quot;Roboto&quot;,sans-serif;font-size:0.404531em;line-height:1.2;text-align:center;padding:0;color:#000000\"><span>Metrics like accuracy, precision, recall, and F1 score assess its performance on test data. Choose based on project goals.<\/span><\/h3>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:18.93204%;top:4.53074%;width:62.62136%;height:26.3754%;transform:rotate(360deg);opacity:1\">\n<div id=\"anim-f8fb1ce3-81c0-4055-a734-89de1586510e\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:0;--initial-transform:none\">\n<div id=\"anim-d09d1242-799b-459d-9cc2-35c6c2faeeeb\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:1;--initial-transform:scale(0.3333333333333333)\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0\" class=\"mask\" id=\"el-15ac3ffb-d21a-49e5-a35e-000c160490e5\">\n<div style=\"position:absolute;width:100%;height:237.66102%;left:0%;top:-68.83051%\" data-leaf-element=\"true\"><amp-img layout=\"fill\" src=\"https:\/\/images.unsplash.com\/photo-1549692520-acc6669e2f0c?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHwxN3x8bWFjaGluZSUyMGxlYXJuaW5nfGVufDB8fHx8MTcxNDk2OTQ2MHww&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=3996&amp;h=6000&amp;fit=max\" alt=\"sitting man using gadget in room\" srcSet=\"https:\/\/images.unsplash.com\/photo-1549692520-acc6669e2f0c?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHwxN3x8bWFjaGluZSUyMGxlYXJuaW5nfGVufDB8fHx8MTcxNDk2OTQ2MHww&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=3996&amp;h=6000&amp;fit=max 3996w,https:\/\/images.unsplash.com\/photo-1549692520-acc6669e2f0c?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHwxN3x8bWFjaGluZSUyMGxlYXJuaW5nfGVufDB8fHx8MTcxNDk2OTQ2MHww&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=3196&amp;h=4799&amp;fit=max 3196w,https:\/\/images.unsplash.com\/photo-1549692520-acc6669e2f0c?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHwxN3x8bWFjaGluZSUyMGxlYXJuaW5nfGVufDB8fHx8MTcxNDk2OTQ2MHww&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=2397&amp;h=3599&amp;fit=max 2397w,https:\/\/images.unsplash.com\/photo-1549692520-acc6669e2f0c?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHwxN3x8bWFjaGluZSUyMGxlYXJuaW5nfGVufDB8fHx8MTcxNDk2OTQ2MHww&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=1598&amp;h=2399&amp;fit=max 1598w,https:\/\/images.unsplash.com\/photo-1549692520-acc6669e2f0c?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHwxN3x8bWFjaGluZSUyMGxlYXJuaW5nfGVufDB8fHx8MTcxNDk2OTQ2MHww&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=799&amp;h=1200&amp;fit=max 799w,https:\/\/images.unsplash.com\/photo-1549692520-acc6669e2f0c?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHwxN3x8bWFjaGluZSUyMGxlYXJuaW5nfGVufDB8fHx8MTcxNDk2OTQ2MHww&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=340&amp;h=511&amp;fit=max 340w\" sizes=\"(min-width: 1024px) 28vh, 63vw\" disable-inline-width=\"true\"><\/amp-img><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:30.33981%;top:90.61489%;width:35.19417%;height:5.01618%;opacity:1\">\n<div id=\"anim-0bd08dc9-0ac7-4cf9-9d86-b1ec04adaa8f\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:0;--initial-transform:none\">\n<div id=\"anim-7c983ca0-d913-4b69-a252-d10c70ee78b5\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:1;--initial-transform:scale(0.3333333333333333)\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:1.3793103448275863% 1.3793103448275863% 1.3793103448275863% 1.3793103448275863% \/ 6.451612903225806% 6.451612903225806% 6.451612903225806% 6.451612903225806%\" id=\"el-fed87ed2-0049-42e9-b5f7-4dcf1959143d\"><a href=\"https:\/\/pickl.ai\/blog\/unlocking-the-power-of-knn-algorithm-in-machine-learning\/\" target=\"_blank\" rel=\"noreferrer noopener\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0\"><\/p>\n<h2 id=\"read-more-3\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:-0.26185344827586154% 0;font-family:&quot;Roboto&quot;,sans-serif;font-size:0.436893em;line-height:1.2;text-align:left;padding:0;color:#000000\"><span><span style=\"font-weight: 700\">Read more<\/span><\/span><\/h2>\n<p><\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><\/amp-story-grid-layer><\/amp-story-page><amp-story-page id=\"fb7af79e-631d-41d5-8828-af8d7815e104\" auto-advance-after=\"7s\"><amp-story-animation layout=\"nodisplay\" trigger=\"visibility\"><script type=\"application\/json\">[{\"selector\":\"#anim-f946fbd6-8d61-440e-8b67-b80f00a89a9f\",\"keyframes\":{\"opacity\":[0,1]},\"delay\":0,\"duration\":2000,\"easing\":\"cubic-bezier(.3,0,.55,1)\",\"fill\":\"both\"}]<\/script><\/amp-story-animation><amp-story-animation layout=\"nodisplay\" trigger=\"visibility\"><script type=\"application\/json\">[{\"selector\":\"#anim-8d3bfe9e-e2be-4815-9a65-bebdf2773f0a\",\"keyframes\":{\"transform\":[\"scale(0.3333333333333333)\",\"scale(1)\"]},\"delay\":0,\"duration\":2000,\"easing\":\"cubic-bezier(.3,0,.55,1)\",\"fill\":\"forwards\"}]<\/script><\/amp-story-animation><amp-story-grid-layer template=\"vertical\" aspect-ratio=\"412:618\" class=\"grid-layer\"><\/p>\n<div class=\"page-fullbleed-area\" style=\"background-color:#c77dff\">\n<div class=\"page-safe-area\">\n<div style=\"position:absolute;pointer-events:none;left:0;top:-9.25926%;width:100%;height:118.51852%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0\" class=\"mask\" id=\"el-b078f7cf-2097-466d-9963-74e058fcdfe4\">\n<div class=\"fill\" style=\"will-change:transform\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><\/amp-story-grid-layer><amp-story-grid-layer template=\"vertical\" aspect-ratio=\"412:618\" class=\"grid-layer\"><\/p>\n<div class=\"page-fullbleed-area\">\n<div class=\"page-safe-area\">\n<div style=\"position:absolute;pointer-events:none;left:17.71845%;top:54.20712%;width:63.34951%;height:23.13916%;opacity:1\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0;border-radius:0.7662835249042145% 0.7662835249042145% 0.7662835249042145% 0.7662835249042145% \/ 1.3986013986013985% 1.3986013986013985% 1.3986013986013985% 1.3986013986013985%\" id=\"el-4bd2236f-3985-4f88-9642-fc8d0c3285dd\">\n<h2 id=\"practice-stay-confident-and-nail-that-machine-learning-interview\" class=\"fill text-wrapper\" style=\"white-space:pre-line;overflow-wrap:break-word;word-break:break-word;margin:-0.16163793103448276% 0;font-family:&quot;Roboto&quot;,sans-serif;font-size:0.485437em;line-height:1.2;text-align:center;padding:0;color:#000000\"><span><span style=\"font-weight: 700\">Practice, stay confident, and nail that Machine Learning interview!<\/span><\/span><\/h2>\n<\/div>\n<\/div>\n<div style=\"position:absolute;pointer-events:none;left:18.4466%;top:19.25566%;width:62.62136%;height:26.3754%;transform:rotate(360deg);opacity:1\">\n<div id=\"anim-f946fbd6-8d61-440e-8b67-b80f00a89a9f\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:0;--initial-transform:none\">\n<div id=\"anim-8d3bfe9e-e2be-4815-9a65-bebdf2773f0a\" class=\"animation-wrapper\" style=\"width:100%;height:100%;display:block;position:absolute;top:0;left:0;--initial-opacity:1;--initial-transform:scale(0.3333333333333333)\">\n<div style=\"pointer-events:initial;width:100%;height:100%;display:block;position:absolute;top:0;left:0;z-index:0\" class=\"mask\" id=\"el-97c945b8-ab21-4d80-ad9f-cc1966b5a52e\">\n<div style=\"position:absolute;width:100%;height:105.63619%;left:0%;top:-2.81809%\" data-leaf-element=\"true\"><amp-img layout=\"fill\" src=\"https:\/\/images.unsplash.com\/photo-1454165804606-c3d57bc86b40?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHw5fHxtYWNoaW5lJTIwbGVhcm5pbmd8ZW58MHx8fHwxNzE0OTY5NDYwfDA&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=7360&amp;h=4912&amp;fit=max\" alt=\"person holding pencil near laptop computer\" srcSet=\"https:\/\/images.unsplash.com\/photo-1454165804606-c3d57bc86b40?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHw5fHxtYWNoaW5lJTIwbGVhcm5pbmd8ZW58MHx8fHwxNzE0OTY5NDYwfDA&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=7360&amp;h=4912&amp;fit=max 7360w,https:\/\/images.unsplash.com\/photo-1454165804606-c3d57bc86b40?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHw5fHxtYWNoaW5lJTIwbGVhcm5pbmd8ZW58MHx8fHwxNzE0OTY5NDYwfDA&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=5888&amp;h=3930&amp;fit=max 5888w,https:\/\/images.unsplash.com\/photo-1454165804606-c3d57bc86b40?ixid=M3wxMzcxOTN8MHwxfHNlYXJjaHw5fHxtYWNoaW5lJTIwbGVhcm5pbmd8ZW58MHx8fHwxNzE0OTY5NDYwfDA&amp;ixlib=rb-4.0.3&amp;fm=jpg&amp;w=4416&amp;h=2947&amp;fit=max 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