{"id":27146,"date":"2025-04-21T11:35:38","date_gmt":"2025-04-21T04:35:38","guid":{"rendered":"https:\/\/interdata.vn\/blog\/?p=27146"},"modified":"2025-04-21T11:35:38","modified_gmt":"2025-04-21T04:35:38","slug":"hyperparameter-tuning-la-gi","status":"publish","type":"post","link":"https:\/\/interdata.vn\/blog\/hyperparameter-tuning-la-gi\/","title":{"rendered":"Hyperparameter Tuning l\u00e0 g\u00ec? Tinh ch\u1ec9nh si\u00eau tham s\u1ed1 trong ML"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-white ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed8I DUNG<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/interdata.vn\/blog\/hyperparameter-tuning-la-gi\/#Hyperparameters-la-gi\" >Hyperparameters l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/interdata.vn\/blog\/hyperparameter-tuning-la-gi\/#Hyperparameter-Tuning-la-gi\" >Hyperparameter Tuning l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/interdata.vn\/blog\/hyperparameter-tuning-la-gi\/#Tai-sao-can-Hyperparameter-Tuning\" >T\u1ea1i sao c\u1ea7n Hyperparameter Tuning?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/interdata.vn\/blog\/hyperparameter-tuning-la-gi\/#Can-bang-do-thien-lech-va-phuong-sai\" >C\u00e2n b\u1eb1ng \u0111\u1ed9 thi\u00ean l\u1ec7ch v\u00e0 ph\u01b0\u01a1ng sai<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/interdata.vn\/blog\/hyperparameter-tuning-la-gi\/#Nang-cao-hieu-suat-hoat-dong-cua-mo-hinh\" >N\u00e2ng cao hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00f4 h\u00ecnh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/interdata.vn\/blog\/hyperparameter-tuning-la-gi\/#Kiem-soat-Overfitting-va-Underfitting\" >Ki\u1ec3m so\u00e1t Overfitting v\u00e0 Underfitting<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/interdata.vn\/blog\/hyperparameter-tuning-la-gi\/#Cai-thien-hieu-qua-huan-luyen\" >C\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 hu\u1ea5n luy\u1ec7n<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/interdata.vn\/blog\/hyperparameter-tuning-la-gi\/#Loi-ich-cua-viec-Hyperparameter-Tuning-la-gi\" >L\u1ee3i \u00edch c\u1ee7a vi\u1ec7c Hyperparameter Tuning l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/interdata.vn\/blog\/hyperparameter-tuning-la-gi\/#Thach-thuc-trong-viec-Hyperparameter-Tuning\" >Th\u00e1ch th\u1ee9c trong vi\u1ec7c Hyperparameter Tuning<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/interdata.vn\/blog\/hyperparameter-tuning-la-gi\/#Cac-phuong-phap-Hyperparameter-Tuning\" >C\u00e1c ph\u01b0\u01a1ng ph\u00e1p Hyperparameter Tuning<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/interdata.vn\/blog\/hyperparameter-tuning-la-gi\/#Tim-kiem-luoi-Grid-Search\" >T\u00ecm ki\u1ebfm l\u01b0\u1edbi (Grid Search)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/interdata.vn\/blog\/hyperparameter-tuning-la-gi\/#Tim-kiem-ngau-nhien-Random-Search\" >T\u00ecm ki\u1ebfm ng\u1eabu nhi\u00ean (Random Search)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/interdata.vn\/blog\/hyperparameter-tuning-la-gi\/#Toi-uu-hoa-Bayes\" >T\u1ed1i \u01b0u h\u00f3a Bayes<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/interdata.vn\/blog\/hyperparameter-tuning-la-gi\/#Hyperband\" >Hyperband<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/interdata.vn\/blog\/hyperparameter-tuning-la-gi\/#Cac-sieu-tham-so-pho-bien-trong-thi-giac-may-tinh\" >C\u00e1c si\u00eau tham s\u1ed1 ph\u1ed5 bi\u1ebfn trong th\u1ecb gi\u00e1c m\u00e1y t\u00ednh<\/a><\/li><\/ul><\/nav><\/div>\n<p>Trong h\u1ecdc m\u00e1y, vi\u1ec7c hi\u1ec3u v\u00e0 \u0111i\u1ec1u ch\u1ec9nh c\u00e1c si\u00eau <a href=\"https:\/\/interdata.vn\/blog\/tham-so-parameter-la-gi\/\">tham s\u1ed1<\/a> (hyperparameters) l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng gi\u00fap m\u00f4 h\u00ecnh ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 h\u01a1n. T\u1eeb vi\u1ec7c ch\u1ecdn t\u1ed1c \u0111\u1ed9 h\u1ecdc \u0111\u1ebfn x\u00e1c \u0111\u1ecbnh c\u1ea5u tr\u00fac m\u1ea1ng, t\u1ea5t c\u1ea3 \u0111\u1ec1u \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng hu\u1ea5n luy\u1ec7n v\u00e0 hi\u1ec7u su\u1ea5t m\u00f4 h\u00ecnh. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 Hyperparameter, <a href=\"https:\/\/interdata.vn\/blog\/hyperparameter-tuning-la-gi\/\"><strong>Hyperparameter Tuning l\u00e0 g\u00ec<\/strong><\/a>, qu\u00e1 tr\u00ecnh tinh ch\u1ec9nh si\u00eau tham s\u1ed1 v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn trong t\u1ed1i \u01b0u h\u00f3a si\u00eau tham s\u1ed1 \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u00f4 h\u00ecnh t\u1ed1t nh\u1ea5t. \u0110\u1ecdc ngay!<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Hyperparameters-la-gi\"><\/span><strong>Hyperparameters l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Hyperparameters (Si\u00eau tham s\u1ed1) l\u00e0 m\u1ed9t m\u00f4 h\u00ecnh \u0111i\u1ec1u ch\u1ec9nh c\u1ea5u tr\u00fac n\u1ed9i t\u1ea1i qua vi\u1ec7c h\u1ecdc t\u1eeb d\u1eef li\u1ec7u trong h\u1ecdc m\u00e1y (<a href=\"https:\/\/interdata.vn\/blog\/machine-learning-la-gi\/\">Machine Learning<\/a>). Nh\u01b0ng tr\u01b0\u1edbc khi qu\u00e1 tr\u00ecnh h\u1ecdc n\u00e0y di\u1ec5n ra, ng\u01b0\u1eddi d\u00f9ng c\u1ea7n c\u1ea5u h\u00ecnh m\u1ed9t s\u1ed1 c\u00e0i \u0111\u1eb7t b\u00ean ngo\u00e0i &#8211; \u0111\u00f3 ch\u00ednh l\u00e0 <strong>hyperparameters<\/strong> hay <strong>si\u00eau tham s\u1ed1<\/strong>.<\/p>\n<figure id=\"attachment_27152\" aria-describedby=\"caption-attachment-27152\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Hyperparameter-la-gi.jpg\" alt=\"Hyperparameter l\u00e0 g\u00ec\" width=\"800\" height=\"500\" class=\"size-full wp-image-27152\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Hyperparameter-la-gi.jpg 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Hyperparameter-la-gi-300x188.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Hyperparameter-la-gi-768x480.jpg 768w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Hyperparameter-la-gi-750x469.jpg 750w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-27152\" class=\"wp-caption-text\">Hyperparameter l\u00e0 g\u00ec?<\/figcaption><\/figure>\n<p>C\u00e1c si\u00eau tham s\u1ed1 n\u00e0y do ng\u01b0\u1eddi d\u00f9ng x\u00e1c \u0111\u1ecbnh tr\u01b0\u1edbc khi hu\u1ea5n luy\u1ec7n b\u1eaft \u0111\u1ea7u. Ch\u00fang kh\u00e1c bi\u1ec7t v\u1edbi c\u00e1c tham s\u1ed1 (parameters) \u0111\u01b0\u1ee3c m\u00f4 h\u00ecnh t\u1ef1 h\u1ecdc t\u1eeb d\u1eef li\u1ec7u; si\u00eau tham s\u1ed1 l\u00e0 nh\u1eefng c\u1ea5u h\u00ecnh \u0111\u1ecbnh h\u01b0\u1edbng cho qu\u00e1 tr\u00ecnh h\u1ecdc.<\/p>\n<p>M\u1ed9t v\u00e0i v\u00ed d\u1ee5 ph\u1ed5 bi\u1ebfn v\u1ec1 si\u00eau tham s\u1ed1 l\u00e0:<\/p>\n<ul>\n<li>T\u1ed1c \u0111\u1ed9 h\u1ecdc (<a href=\"https:\/\/interdata.vn\/blog\/learning-rate-la-gi\/\">learning rate<\/a>)<\/li>\n<li>S\u1ed1 l\u01b0\u1ee3ng l\u1edbp \u1ea9n (hidden layers) trong m\u1ea1ng neural<\/li>\n<li>K\u00edch th\u01b0\u1edbc l\u00f4 (batch size)<\/li>\n<li>S\u1ed1 l\u01b0\u1ee3ng c\u00e2y trong thu\u1eadt to\u00e1n <a href=\"https:\/\/interdata.vn\/blog\/random-forest-la-gi\/\">Random Forest<\/a><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Hyperparameter-Tuning-la-gi\"><\/span><strong>Hyperparameter Tuning l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>Hyperparameter Tuning (Tinh ch\u1ec9nh si\u00eau tham s\u1ed1) l\u00e0 qu\u00e1 tr\u00ecnh ch\u1ecdn gi\u00e1 tr\u1ecb t\u1ed1i \u01b0u cho c\u00e1c si\u00eau tham s\u1ed1 c\u1ee7a m\u00f4 h\u00ecnh h\u1ecdc m\u00e1y<\/strong>. Si\u00eau tham s\u1ed1 l\u00e0 c\u00e1c thi\u1ebft l\u1eadp c\u1ea5u h\u00ecnh \u0111i\u1ec1u khi\u1ec3n qu\u00e1 tr\u00ecnh h\u1ecdc c\u1ee7a m\u00f4 h\u00ecnh.<\/p>\n<p>V\u00ed d\u1ee5, t\u1ed1c \u0111\u1ed9 h\u1ecdc (learning rate) v\u00e0 s\u1ed1 l\u01b0\u1ee3ng n\u01a1-ron trong m\u1ea1ng n\u01a1-ron hay k\u00edch th\u01b0\u1edbc kernel trong m\u00e1y vector h\u1ed7 tr\u1ee3 (<a href=\"https:\/\/interdata.vn\/blog\/support-vector-machine-la-gi\/\">SVM<\/a>) c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn kh\u1ea3 n\u0103ng hu\u1ea5n luy\u1ec7n v\u00e0 t\u1ed5ng qu\u00e1t c\u1ee7a m\u00f4 h\u00ecnh. M\u1ee5c ti\u00eau c\u1ee7a vi\u1ec7c tinh ch\u1ec9nh si\u00eau tham s\u1ed1 l\u00e0 t\u00ecm ra c\u00e1c gi\u00e1 tr\u1ecb gi\u00fap m\u00f4 h\u00ecnh \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t t\u1ed1t nh\u1ea5t trong m\u1ed9t t\u00e1c v\u1ee5 c\u1ee5 th\u1ec3.<\/p>\n<figure id=\"attachment_27147\" aria-describedby=\"caption-attachment-27147\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Hyperparameter-Tuning-la-gi.png\" alt=\"Hyperparameter Tuning l\u00e0 g\u00ec?\" width=\"800\" height=\"500\" class=\"size-full wp-image-27147\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Hyperparameter-Tuning-la-gi.png 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Hyperparameter-Tuning-la-gi-300x188.png 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Hyperparameter-Tuning-la-gi-768x480.png 768w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Hyperparameter-Tuning-la-gi-750x469.png 750w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-27147\" class=\"wp-caption-text\">Hyperparameter Tuning l\u00e0 g\u00ec?<\/figcaption><\/figure>\n<p>Trong b\u1ed1i c\u1ea3nh h\u1ecdc m\u00e1y, si\u00eau tham s\u1ed1 l\u00e0 c\u00e1c bi\u1ebfn c\u1ea5u h\u00ecnh \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp tr\u01b0\u1edbc khi qu\u00e1 tr\u00ecnh hu\u1ea5n luy\u1ec7n b\u1eaft \u0111\u1ea7u. Kh\u00e1c v\u1edbi c\u00e1c tham s\u1ed1 m\u00f4 h\u00ecnh, nh\u1eefng tham s\u1ed1 n\u00e0y kh\u00f4ng \u0111\u01b0\u1ee3c h\u1ecdc tr\u1ef1c ti\u1ebfp t\u1eeb d\u1eef li\u1ec7u trong qu\u00e1 tr\u00ecnh hu\u1ea5n luy\u1ec7n, m\u00e0 \u0111\u01b0\u1ee3c ch\u1ecdn tr\u01b0\u1edbc v\u00e0 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1ch th\u1ee9c m\u00f4 h\u00ecnh h\u1ecdc.<\/p>\n<p>Nh\u1eefng thi\u1ebft l\u1eadp n\u00e0y c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u1ea3 t\u1ed1c \u0111\u1ed9 v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a hi\u1ec7u su\u1ea5t m\u00f4 h\u00ecnh. V\u00ed d\u1ee5, t\u1ed1c \u0111\u1ed9 h\u1ecdc qu\u00e1 cao c\u00f3 th\u1ec3 khi\u1ebfn m\u00f4 h\u00ecnh h\u1ed9i t\u1ee5 qu\u00e1 nhanh, b\u1ecf qua gi\u1ea3i ph\u00e1p t\u1ed1i \u01b0u, trong khi t\u1ed1c \u0111\u1ed9 h\u1ecdc th\u1ea5p c\u00f3 th\u1ec3 l\u00e0m ch\u1eadm qu\u00e1 tr\u00ecnh h\u1ed9i t\u1ee5, \u0111\u00f2i h\u1ecfi nhi\u1ec1u th\u1eddi gian v\u00e0 t\u00e0i nguy\u00ean t\u00ednh to\u00e1n.<\/p>\n<p><strong>L\u01b0u \u00fd<\/strong>: C\u00e1c m\u00f4 h\u00ecnh kh\u00e1c nhau c\u00f3 c\u00e1c si\u00eau tham s\u1ed1 kh\u00e1c nhau v\u00e0 c\u1ea7n \u0111\u01b0\u1ee3c tinh ch\u1ec9nh ph\u00f9 h\u1ee3p.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Tai-sao-can-Hyperparameter-Tuning\"><\/span><strong>T\u1ea1i sao c\u1ea7n Hyperparameter Tuning?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Vi\u1ec7c tinh ch\u1ec9nh si\u00eau tham s\u1ed1 r\u1ea5t quan tr\u1ecdng v\u00ec n\u00f3 t\u1ea1o n\u1ec1n t\u1ea3ng cho c\u1ea5u tr\u00fac m\u00f4 h\u00ecnh, hi\u1ec7u qu\u1ea3 hu\u1ea5n luy\u1ec7n v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a m\u00f4 h\u00ecnh. C\u00e1c c\u1ea5u h\u00ecnh si\u00eau tham s\u1ed1 t\u1ed1i \u01b0u s\u1ebd d\u1eabn \u0111\u1ebfn hi\u1ec7u su\u1ea5t m\u00f4 h\u00ecnh m\u1ea1nh m\u1ebd trong th\u1ebf gi\u1edbi th\u1ef1c.<\/p>\n<p>C\u00e1c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00f4 h\u00ecnh ng\u00f4n ng\u1eef l\u1edbn (LLMOps) \u0111\u1eb7c bi\u1ec7t ch\u00fa tr\u1ecdng v\u00e0o kh\u00eda c\u1ea1nh hi\u1ec7u qu\u1ea3 c\u1ee7a vi\u1ec7c tinh ch\u1ec9nh, v\u1edbi s\u1ef1 nh\u1ea5n m\u1ea1nh v\u00e0o vi\u1ec7c gi\u1ea3m thi\u1ec3u y\u00eau c\u1ea7u v\u1ec1 c\u00f4ng su\u1ea5t t\u00ednh to\u00e1n.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Can-bang-do-thien-lech-va-phuong-sai\"><\/span><strong>C\u00e2n b\u1eb1ng \u0111\u1ed9 thi\u00ean l\u1ec7ch v\u00e0 ph\u01b0\u01a1ng sai<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>M\u1ee5c ti\u00eau c\u1ee7a vi\u1ec7c tinh ch\u1ec9nh si\u00eau tham s\u1ed1 l\u00e0 <strong>c\u00e2n b\u1eb1ng gi\u1eefa \u0111\u1ed9 thi\u00ean l\u1ec7ch v\u00e0 ph\u01b0\u01a1ng sai<\/strong>. \u0110\u1ed9 thi\u00ean l\u1ec7ch l\u00e0 s\u1ef1 sai l\u1ec7ch gi\u1eefa d\u1ef1 \u0111o\u00e1n c\u1ee7a m\u00f4 h\u00ecnh v\u00e0 th\u1ef1c t\u1ebf. Nh\u1eefng m\u00f4 h\u00ecnh ch\u01b0a \u0111\u01b0\u1ee3c tinh ch\u1ec9nh ho\u1eb7c thi\u1ebfu \u0111\u1ed9 kh\u1edbp s\u1ebd kh\u00f4ng th\u1ec3 nh\u1eadn di\u1ec7n c\u00e1c m\u1ed1i quan h\u1ec7 quan tr\u1ecdng gi\u1eefa c\u00e1c \u0111i\u1ec3m d\u1eef li\u1ec7u v\u00e0 kh\u00f4ng th\u1ec3 r\u00fat ra k\u1ebft lu\u1eadn ch\u00ednh x\u00e1c c\u1ea7n thi\u1ebft cho hi\u1ec7u su\u1ea5t ch\u00ednh x\u00e1c.<\/p>\n<p>Ph\u01b0\u01a1ng sai l\u00e0 \u0111\u1ed9 nh\u1ea1y c\u1ee7a m\u00f4 h\u00ecnh v\u1edbi d\u1eef li\u1ec7u m\u1edbi. M\u1ed9t m\u00f4 h\u00ecnh \u0111\u00e1ng tin c\u1eady n\u00ean mang l\u1ea1i k\u1ebft qu\u1ea3 nh\u1ea5t qu\u00e1n khi chuy\u1ec3n t\u1eeb d\u1eef li\u1ec7u hu\u1ea5n luy\u1ec7n sang c\u00e1c b\u1ed9 d\u1eef li\u1ec7u kh\u00e1c. Tuy nhi\u00ean, nh\u1eefng m\u00f4 h\u00ecnh c\u00f3 ph\u01b0\u01a1ng sai cao th\u01b0\u1eddng qu\u00e1 ph\u1ee9c t\u1ea1p, ch\u00fang b\u1ecb qu\u00e1 kh\u1edbp v\u1edbi b\u1ed9 d\u1eef li\u1ec7u hu\u1ea5n luy\u1ec7n ban \u0111\u1ea7u v\u00e0 g\u1eb7p kh\u00f3 kh\u0103n khi <a href=\"https:\/\/interdata.vn\/blog\/data-preprocessing-la-gi\/\">x\u1eed l\u00fd d\u1eef li\u1ec7u<\/a> m\u1edbi.<\/p>\n<p>Nh\u1eefng m\u00f4 h\u00ecnh c\u00f3 \u0111\u1ed9 thi\u00ean l\u1ec7ch th\u1ea5p s\u1ebd ch\u00ednh x\u00e1c, trong khi nh\u1eefng m\u00f4 h\u00ecnh c\u00f3 ph\u01b0\u01a1ng sai th\u1ea5p s\u1ebd mang l\u1ea1i k\u1ebft qu\u1ea3 nh\u1ea5t qu\u00e1n. Vi\u1ec7c tinh ch\u1ec9nh si\u00eau tham s\u1ed1 t\u1ed1t s\u1ebd t\u1ed1i \u01b0u h\u00f3a c\u1ea3 hai y\u1ebfu t\u1ed1 \u0111\u1ec3 t\u1ea1o ra m\u00f4 h\u00ecnh t\u1ed1t nh\u1ea5t cho c\u00f4ng vi\u1ec7c, \u0111\u1ed3ng th\u1eddi t\u1ed1i \u0111a h\u00f3a hi\u1ec7u qu\u1ea3 s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean t\u00ednh to\u00e1n trong qu\u00e1 tr\u00ecnh hu\u1ea5n luy\u1ec7n.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Nang-cao-hieu-suat-hoat-dong-cua-mo-hinh\"><\/span><strong>N\u00e2ng cao hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00f4 h\u00ecnh<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>L\u00fd do ch\u00ednh y\u1ebfu nh\u1ea5t \u0111\u1ec3 th\u1ef1c hi\u1ec7n <strong>tinh ch\u1ec9nh si\u00eau tham s\u1ed1 (hyperparameter tuning)<\/strong> l\u00e0 nh\u1eb1m t\u1ed1i \u01b0u h\u00f3a k\u1ebft qu\u1ea3 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00f4 h\u00ecnh. Khi c\u00e1c si\u00eau tham s\u1ed1 \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn c\u1ea9n th\u1eadn, m\u00f4 h\u00ecnh th\u01b0\u1eddng \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 ch\u00ednh x\u00e1c cao h\u01a1n v\u00e0 \u0111\u01b0a ra d\u1ef1 \u0111o\u00e1n t\u1ed1t h\u01a1n.<\/p>\n<p>V\u00ed d\u1ee5 c\u1ee5 th\u1ec3: \u0110\u1ed1i v\u1edbi m\u00f4 h\u00ecnh h\u1ed3i quy logistic, vi\u1ec7c ch\u1ecdn \u0111\u00fang t\u1ed1c \u0111\u1ed9 h\u1ecdc (learning rate) \u1ea3nh h\u01b0\u1edfng l\u1edbn \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 h\u1ed9i t\u1ee5 v\u00e0 kh\u1ea3 n\u0103ng \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec3m t\u1ed1i \u01b0u c\u1ee7a m\u00f4 h\u00ecnh trong qu\u00e1 tr\u00ecnh hu\u1ea5n luy\u1ec7n.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Kiem-soat-Overfitting-va-Underfitting\"><\/span><strong>Ki\u1ec3m so\u00e1t Overfitting v\u00e0 Underfitting<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Qu\u00e1 tr\u00ecnh tinh ch\u1ec9nh si\u00eau tham s\u1ed1 c\u0169ng gi\u00fap m\u00f4 h\u00ecnh tr\u00e1nh \u0111\u01b0\u1ee3c hai v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn l\u00e0 <strong>overfitting (qu\u00e1 kh\u1edbp)<\/strong> v\u00e0 <strong>underfitting (thi\u1ebfu kh\u1edbp)<\/strong>.<\/p>\n<ul>\n<li><strong>Overfitting<\/strong> l\u00e0 khi m\u00f4 h\u00ecnh qu\u00e1 ph\u1ee9c t\u1ea1p, &#8220;h\u1ecdc thu\u1ed9c l\u00f2ng&#8221; d\u1eef li\u1ec7u hu\u1ea5n luy\u1ec7n v\u00e0 ho\u1ea1t \u0111\u1ed9ng k\u00e9m tr\u00ean d\u1eef li\u1ec7u m\u1edbi.<\/li>\n<li><strong>Underfitting<\/strong> l\u00e0 khi m\u00f4 h\u00ecnh qu\u00e1 \u0111\u01a1n gi\u1ea3n, kh\u00f4ng n\u1eafm b\u1eaft \u0111\u01b0\u1ee3c quy lu\u1eadt c\u01a1 b\u1ea3n c\u1ee7a d\u1eef li\u1ec7u.<\/li>\n<\/ul>\n<p>Vi\u1ec7c t\u00ecm \u0111\u01b0\u1ee3c b\u1ed9 si\u00eau tham s\u1ed1 c\u00e2n b\u1eb1ng gi\u00fap m\u00f4 h\u00ecnh t\u1ed5ng qu\u00e1t h\u00f3a t\u1ed1t h\u01a1n, ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 tr\u00ean c\u00e1c d\u1eef li\u1ec7u ch\u01b0a g\u1eb7p.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Cai-thien-hieu-qua-huan-luyen\"><\/span><strong>C\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 hu\u1ea5n luy\u1ec7n<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>M\u1ed9t s\u1ed1 si\u00eau tham s\u1ed1 nh\u1ea5t \u0111\u1ecbnh c\u00f3 t\u00e1c \u0111\u1ed9ng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn th\u1eddi gian c\u1ea7n thi\u1ebft \u0111\u1ec3 hu\u1ea5n luy\u1ec7n m\u00f4 h\u00ecnh. Do \u0111\u00f3, vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a ch\u00fang kh\u00f4ng ch\u1ec9 nh\u1eb1m m\u1ee5c \u0111\u00edch t\u0103ng \u0111\u1ed9 ch\u00ednh x\u00e1c m\u00e0 c\u00f2n c\u00f3 th\u1ec3 gi\u00fap qu\u00e1 tr\u00ecnh hu\u1ea5n luy\u1ec7n di\u1ec5n ra nhanh h\u01a1n, ti\u1ebft ki\u1ec7m t\u00e0i nguy\u00ean t\u00ednh to\u00e1n h\u01a1n.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Loi-ich-cua-viec-Hyperparameter-Tuning-la-gi\"><\/span><strong>L\u1ee3i \u00edch c\u1ee7a vi\u1ec7c Hyperparameter Tuning l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 l\u1ee3i \u00edch n\u1ed5i b\u1eadt khi th\u1ef1c hi\u1ec7n Hyperparameter Tuning n\u00ean bi\u1ebft:<\/p>\n<ul>\n<li><strong>C\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t m\u00f4 h\u00ecnh:<\/strong> T\u00ecm ra s\u1ef1 k\u1ebft h\u1ee3p t\u1ed1i \u01b0u c\u1ee7a c\u00e1c si\u00eau tham s\u1ed1 c\u00f3 th\u1ec3 t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 b\u1ec1n v\u1eefng c\u1ee7a m\u00f4 h\u00ecnh.<\/li>\n<li><strong>Gi\u1ea3m thi\u1ec3u qu\u00e1 kh\u1edbp v\u00e0 thi\u1ebfu kh\u1edbp:<\/strong> Tinh ch\u1ec9nh gi\u00fap ng\u0103n ng\u1eeba c\u1ea3 hi\u1ec7n t\u01b0\u1ee3ng qu\u00e1 kh\u1edbp v\u00e0 thi\u1ebfu kh\u1edbp, d\u1eabn \u0111\u1ebfn m\u1ed9t m\u00f4 h\u00ecnh c\u00e2n b\u1eb1ng t\u1ed1t.<\/li>\n<li><strong>N\u00e2ng cao kh\u1ea3 n\u0103ng t\u1ed5ng qu\u00e1t c\u1ee7a m\u00f4 h\u00ecnh:<\/strong> B\u1eb1ng c\u00e1ch ch\u1ecdn c\u00e1c si\u00eau tham s\u1ed1 t\u1ed1i \u01b0u cho d\u1eef li\u1ec7u x\u00e1c th\u1ef1c, m\u00f4 h\u00ecnh s\u1ebd c\u00f3 kh\u1ea3 n\u0103ng t\u1ed5ng qu\u00e1t t\u1ed1t h\u01a1n v\u1edbi d\u1eef li\u1ec7u ch\u01b0a th\u1ea5y.<\/li>\n<li><strong>T\u1ed1i \u01b0u h\u00f3a vi\u1ec7c s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean:<\/strong> V\u1edbi vi\u1ec7c tinh ch\u1ec9nh c\u1ea9n th\u1eadn, t\u00e0i nguy\u00ean nh\u01b0 th\u1eddi gian t\u00ednh to\u00e1n v\u00e0 b\u1ed9 nh\u1edb c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng hi\u1ec7u qu\u1ea3 h\u01a1n, tr\u00e1nh nh\u1eefng c\u00f4ng vi\u1ec7c kh\u00f4ng c\u1ea7n thi\u1ebft.<\/li>\n<li><strong>C\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng gi\u1ea3i th\u00edch m\u00f4 h\u00ecnh:<\/strong> C\u00e1c si\u00eau tham s\u1ed1 \u0111\u01b0\u1ee3c tinh ch\u1ec9nh \u0111\u00fang c\u00e1ch c\u00f3 th\u1ec3 gi\u00fap m\u00f4 h\u00ecnh tr\u1edf n\u00ean \u0111\u01a1n gi\u1ea3n v\u00e0 d\u1ec5 hi\u1ec3u h\u01a1n.<\/li>\n<\/ul>\n<figure id=\"attachment_27148\" aria-describedby=\"caption-attachment-27148\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Loi-ich-va-han-che-cua-Hyperparameter-Tuning-la-gi.png\" alt=\"L\u1ee3i \u00edch v\u00e0 h\u1ea1n ch\u1ebf c\u1ee7a Hyperparameter Tuning l\u00e0 g\u00ec?\" width=\"800\" height=\"500\" class=\"size-full wp-image-27148\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Loi-ich-va-han-che-cua-Hyperparameter-Tuning-la-gi.png 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Loi-ich-va-han-che-cua-Hyperparameter-Tuning-la-gi-300x188.png 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Loi-ich-va-han-che-cua-Hyperparameter-Tuning-la-gi-768x480.png 768w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Loi-ich-va-han-che-cua-Hyperparameter-Tuning-la-gi-750x469.png 750w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-27148\" class=\"wp-caption-text\">L\u1ee3i \u00edch v\u00e0 h\u1ea1n ch\u1ebf c\u1ee7a Hyperparameter Tuning l\u00e0 g\u00ec?<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Thach-thuc-trong-viec-Hyperparameter-Tuning\"><\/span><strong>Th\u00e1ch th\u1ee9c trong vi\u1ec7c Hyperparameter Tuning<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110i \u0111\u00f4i v\u1edbi nh\u1eefng \u01b0u \u0111i\u1ec3m, Hyperparameter Tuning c\u0169ng t\u1ed3n t\u1ea1i m\u1ed9t s\u1ed1 th\u00e1ch th\u1ee9c \u0111\u00e1ng ch\u00fa \u00fd nh\u01b0:<\/p>\n<ul>\n<li><strong>\u0110\u1ed1i ph\u00f3 v\u1edbi kh\u00f4ng gian si\u00eau tham s\u1ed1 chi\u1ec1u cao:<\/strong> Kh\u00f4ng gian si\u00eau tham s\u1ed1 c\u00e0ng l\u1edbn th\u00ec c\u00e0ng c\u1ea7n kh\u00e1m ph\u00e1 nhi\u1ec1u k\u1ebft h\u1ee3p. \u0110i\u1ec1u n\u00e0y khi\u1ebfn qu\u00e1 tr\u00ecnh t\u00ecm ki\u1ebfm tr\u1edf n\u00ean t\u1ed1n k\u00e9m v\u1ec1 m\u1eb7t t\u00ednh to\u00e1n v\u00e0 m\u1ea5t th\u1eddi gian, \u0111\u1eb7c bi\u1ec7t v\u1edbi c\u00e1c m\u00f4 h\u00ecnh ph\u1ee9c t\u1ea1p.<\/li>\n<li><strong>\u0110\u00e1nh gi\u00e1 ch\u1ee9c n\u0103ng t\u1ed1n k\u00e9m:<\/strong> \u0110\u00e1nh gi\u00e1 hi\u1ec7u su\u1ea5t m\u00f4 h\u00ecnh c\u00f3 th\u1ec3 r\u1ea5t t\u1ed1n k\u00e9m, \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi nh\u1eefng m\u00f4 h\u00ecnh y\u00eau c\u1ea7u nhi\u1ec1u d\u1eef li\u1ec7u ho\u1eb7c <a href=\"https:\/\/interdata.vn\/blog\/vong-lap-la-gi\/\">v\u00f2ng l\u1eb7p<\/a>.<\/li>\n<li><strong>K\u1ebft h\u1ee3p ki\u1ebfn th\u1ee9c chuy\u00ean ng\u00e0nh:<\/strong> Ki\u1ebfn th\u1ee9c chuy\u00ean ng\u00e0nh c\u00f3 th\u1ec3 gi\u00fap h\u01b0\u1edbng d\u1eabn qu\u00e1 tr\u00ecnh t\u00ecm ki\u1ebfm si\u00eau tham s\u1ed1, thu h\u1eb9p kh\u00f4ng gian t\u00ecm ki\u1ebfm v\u00e0 l\u00e0m cho qu\u00e1 tr\u00ecnh hi\u1ec7u qu\u1ea3 h\u01a1n. S\u1eed d\u1ee5ng c\u00e1c hi\u1ec3u bi\u1ebft t\u1eeb ng\u1eef c\u1ea3nh v\u1ea5n \u0111\u1ec1 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n c\u1ea3 hi\u1ec7u qu\u1ea3 v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a vi\u1ec7c tinh ch\u1ec9nh.<\/li>\n<li><strong>Ph\u00e1t tri\u1ec3n ph\u01b0\u01a1ng ph\u00e1p tinh ch\u1ec9nh si\u00eau tham s\u1ed1 th\u00edch \u1ee9ng:<\/strong> \u0110i\u1ec1u ch\u1ec9nh \u0111\u1ed9ng c\u00e1c si\u00eau tham s\u1ed1 trong qu\u00e1 tr\u00ecnh hu\u1ea5n luy\u1ec7n, ch\u1eb3ng h\u1ea1n nh\u01b0 l\u1ecbch tr\u00ecnh t\u1ed1c \u0111\u1ed9 h\u1ecdc ho\u1eb7c d\u1eebng s\u1edbm, c\u00f3 th\u1ec3 mang l\u1ea1i hi\u1ec7u su\u1ea5t m\u00f4 h\u00ecnh t\u1ed1t h\u01a1n.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Cac-phuong-phap-Hyperparameter-Tuning\"><\/span><strong>C\u00e1c ph\u01b0\u01a1ng ph\u00e1p Hyperparameter Tuning<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>C\u00e1c nh\u00e0 khoa h\u1ecdc d\u1eef li\u1ec7u c\u00f3 nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p tinh ch\u1ec9nh si\u00eau tham s\u1ed1 kh\u00e1c nhau, m\u1ed7i ph\u01b0\u01a1ng ph\u00e1p c\u00f3 nh\u1eefng \u01b0u v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m ri\u00eang. Vi\u1ec7c tinh ch\u1ec9nh si\u00eau tham s\u1ed1 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u1ee7 c\u00f4ng ho\u1eb7c t\u1ef1 \u0111\u1ed9ng nh\u01b0 m\u1ed9t ph\u1ea7n c\u1ee7a chi\u1ebfn l\u01b0\u1ee3c AutoML (h\u1ecdc m\u00e1y t\u1ef1 \u0111\u1ed9ng).<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Tim-kiem-luoi-Grid-Search\"><\/span><strong>T\u00ecm ki\u1ebfm l\u01b0\u1edbi (Grid Search)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>T\u00ecm ki\u1ebfm l\u01b0\u1edbi l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p <strong>tinh ch\u1ec9nh si\u00eau tham s\u1ed1 to\u00e0n di\u1ec7n v\u00e0 chi ti\u1ebft<\/strong>. Sau khi c\u00e1c nh\u00e0 khoa h\u1ecdc d\u1eef li\u1ec7u x\u00e1c \u0111\u1ecbnh m\u1ecdi gi\u00e1 tr\u1ecb c\u00f3 th\u1ec3 c\u00f3 cho m\u1ed7i si\u00eau tham s\u1ed1, t\u00ecm ki\u1ebfm l\u01b0\u1edbi x\u00e2y d\u1ef1ng c\u00e1c m\u00f4 h\u00ecnh cho m\u1ecdi c\u1ea5u h\u00ecnh c\u00f3 th\u1ec3 c\u00f3 c\u1ee7a c\u00e1c gi\u00e1 tr\u1ecb si\u00eau tham s\u1ed1 \u0111\u00f3. Nh\u1eefng m\u00f4 h\u00ecnh n\u00e0y sau \u0111\u00f3 \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 hi\u1ec7u su\u1ea5t v\u00e0 so s\u00e1nh v\u1edbi nhau, v\u00e0 m\u00f4 h\u00ecnh t\u1ed1t nh\u1ea5t s\u1ebd \u0111\u01b0\u1ee3c ch\u1ecdn \u0111\u1ec3 hu\u1ea5n luy\u1ec7n.<\/p>\n<p>Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y gi\u1ed1ng nh\u01b0 vi\u1ec7c th\u1eed t\u1eebng m\u00e3 PIN b\u1eb1ng c\u00e1ch nh\u1eadp t\u1ea5t c\u1ea3 c\u00e1c k\u1ebft h\u1ee3p s\u1ed1 c\u00f3 th\u1ec3 cho \u0111\u1ebfn khi t\u00ecm ra \u0111\u00fang d\u00e3y s\u1ed1. M\u1eb7c d\u00f9 t\u00ecm ki\u1ebfm l\u01b0\u1edbi cho ph\u00e9p c\u00e1c nh\u00e0 khoa h\u1ecdc d\u1eef li\u1ec7u xem x\u00e9t t\u1ea5t c\u1ea3 c\u00e1c c\u1ea5u h\u00ecnh c\u00f3 th\u1ec3 c\u00f3 trong kh\u00f4ng gian si\u00eau tham s\u1ed1, nh\u01b0ng n\u00f3 kh\u00f4ng hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u00f2i h\u1ecfi nhi\u1ec1u t\u00e0i nguy\u00ean t\u00ednh to\u00e1n.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Tim-kiem-ngau-nhien-Random-Search\"><\/span><strong>T\u00ecm ki\u1ebfm ng\u1eabu nhi\u00ean (Random Search)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>T\u00ecm ki\u1ebfm ng\u1eabu nhi\u00ean kh\u00e1c v\u1edbi t\u00ecm ki\u1ebfm l\u01b0\u1edbi \u1edf ch\u1ed7 c\u00e1c nh\u00e0 khoa h\u1ecdc d\u1eef li\u1ec7u <strong>cung c\u1ea5p c\u00e1c ph\u00e2n ph\u1ed1i th\u1ed1ng k\u00ea<\/strong> thay v\u00ec c\u00e1c gi\u00e1 tr\u1ecb ri\u00eang l\u1ebb cho m\u1ed7i si\u00eau tham s\u1ed1. T\u00ecm ki\u1ebfm ng\u1eabu nhi\u00ean ch\u1ecdn m\u1eabu t\u1eeb m\u1ed7i ph\u1ea1m vi v\u00e0 x\u00e2y d\u1ef1ng c\u00e1c m\u00f4 h\u00ecnh cho m\u1ed7i k\u1ebft h\u1ee3p. Qua nhi\u1ec1u v\u00f2ng l\u1eb7p, c\u00e1c m\u00f4 h\u00ecnh \u0111\u01b0\u1ee3c so s\u00e1nh v\u1edbi nhau cho \u0111\u1ebfn khi t\u00ecm ra m\u00f4 h\u00ecnh t\u1ed1t nh\u1ea5t.<\/p>\n<figure id=\"attachment_27150\" aria-describedby=\"caption-attachment-27150\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Cac-phuong-phap-Hyperparameter-Tuning-1.jpg\" alt=\"C\u00e1c ph\u01b0\u01a1ng ph\u00e1p Hyperparameter Tuning\" width=\"800\" height=\"500\" class=\"size-full wp-image-27150\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Cac-phuong-phap-Hyperparameter-Tuning-1.jpg 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Cac-phuong-phap-Hyperparameter-Tuning-1-300x188.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Cac-phuong-phap-Hyperparameter-Tuning-1-768x480.jpg 768w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Cac-phuong-phap-Hyperparameter-Tuning-1-750x469.jpg 750w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-27150\" class=\"wp-caption-text\">C\u00e1c ph\u01b0\u01a1ng ph\u00e1p Hyperparameter Tuning<\/figcaption><\/figure>\n<p>T\u00ecm ki\u1ebfm ng\u1eabu nhi\u00ean ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi c\u00e1c t\u00ecnh hu\u1ed1ng c\u00f3 kh\u00f4ng gian t\u00ecm ki\u1ebfm si\u00eau tham s\u1ed1 r\u1ed9ng l\u1edbn, n\u01a1i vi\u1ec7c ki\u1ec3m tra t\u1eebng gi\u00e1 tr\u1ecb ri\u00eang l\u1ebb s\u1ebd r\u1ea5t t\u1ed1n c\u00f4ng. Thu\u1eadt to\u00e1n t\u00ecm ki\u1ebfm ng\u1eabu nhi\u00ean c\u00f3 th\u1ec3 tr\u1ea3 v\u1ec1 k\u1ebft qu\u1ea3 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi t\u00ecm ki\u1ebfm l\u01b0\u1edbi trong th\u1eddi gian ng\u1eafn h\u01a1n nhi\u1ec1u, m\u1eb7c d\u00f9 kh\u00f4ng th\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ecm ra c\u1ea5u h\u00ecnh si\u00eau tham s\u1ed1 t\u1ed1i \u01b0u nh\u1ea5t.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Toi-uu-hoa-Bayes\"><\/span><strong>T\u1ed1i \u01b0u h\u00f3a Bayes<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>T\u1ed1i \u01b0u h\u00f3a Bayes l\u00e0 m\u1ed9t thu\u1eadt to\u00e1n t\u1ed1i \u01b0u h\u00f3a d\u1ef1a tr\u00ean m\u00f4 h\u00ecnh tu\u1ea7n t\u1ef1 (SMBO), trong \u0111\u00f3 m\u1ed7i v\u00f2ng l\u1eb7p th\u1eed nghi\u1ec7m c\u1ea3i thi\u1ec7n ph\u01b0\u01a1ng ph\u00e1p l\u1ea5y m\u1eabu c\u1ee7a v\u00f2ng th\u1eed nghi\u1ec7m ti\u1ebfp theo.<\/p>\n<p>C\u1ea3 t\u00ecm ki\u1ebfm l\u01b0\u1edbi v\u00e0 t\u00ecm ki\u1ebfm ng\u1eabu nhi\u00ean c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n song song, nh\u01b0ng m\u1ed7i th\u1eed nghi\u1ec7m \u0111\u1ec1u \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u1ed9c l\u1eadp &#8211; c\u00e1c nh\u00e0 khoa h\u1ecdc d\u1eef li\u1ec7u kh\u00f4ng th\u1ec3 s\u1eed d\u1ee5ng nh\u1eefng g\u00ec h\u1ecd \u0111\u00e3 h\u1ecdc \u0111\u1ec3 th\u00f4ng b\u00e1o cho c\u00e1c th\u1eed nghi\u1ec7m sau.<\/p>\n<p>D\u1ef1a tr\u00ean c\u00e1c th\u1eed nghi\u1ec7m tr\u01b0\u1edbc \u0111\u00f3, t\u1ed1i \u01b0u h\u00f3a Bayes ch\u1ecdn m\u1ed9t b\u1ed9 gi\u00e1 tr\u1ecb si\u00eau tham s\u1ed1 m\u1edbi c\u00f3 kh\u1ea3 n\u0103ng mang l\u1ea1i k\u1ebft qu\u1ea3 t\u1ed1t h\u01a1n. M\u00f4 h\u00ecnh x\u00e1c su\u1ea5t n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111\u1ea1i di\u1ec7n c\u1ee7a h\u00e0m m\u1ee5c ti\u00eau ban \u0111\u1ea7u. V\u00ec c\u00e1c m\u00f4 h\u00ecnh thay th\u1ebf hi\u1ec7u qu\u1ea3 v\u1ec1 t\u00ednh to\u00e1n, ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt v\u00e0 c\u1ea3i ti\u1ebfn m\u1ed7i l\u1ea7n h\u00e0m m\u1ee5c ti\u00eau \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Hyperband\"><\/span><strong>Hyperband<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u01b0\u1ee3c gi\u1edbi thi\u1ec7u v\u00e0o n\u0103m 2016, Hyperband \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 <strong>c\u1ea3i thi\u1ec7n t\u00ecm ki\u1ebfm ng\u1eabu nhi\u00ean<\/strong> b\u1eb1ng c\u00e1ch c\u1eaft gi\u1ea3m vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c c\u1ea5u h\u00ecnh hu\u1ea5n luy\u1ec7n kh\u00f4ng mang l\u1ea1i k\u1ebft qu\u1ea3 m\u1ea1nh m\u1ebd, \u0111\u1ed3ng th\u1eddi ph\u00e2n b\u1ed5 nhi\u1ec1u t\u00e0i nguy\u00ean h\u01a1n cho c\u00e1c c\u1ea5u h\u00ecnh t\u00edch c\u1ef1c.<\/p>\n<p>\u201cD\u1eebng s\u1edbm\u201d n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u00f4ng qua vi\u1ec7c chia nh\u1ecf d\u1ea7n, m\u1ed9t qu\u00e1 tr\u00ecnh lo\u1ea1i b\u1ecf n\u1eeda c\u1ea5u h\u00ecnh c\u00f3 hi\u1ec7u su\u1ea5t k\u00e9m sau m\u1ed7i v\u00f2ng hu\u1ea5n luy\u1ec7n. 50% c\u1ea5u h\u00ecnh h\u00e0ng \u0111\u1ea7u s\u1ebd \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o v\u00f2ng l\u1eb7p ti\u1ebfp theo cho \u0111\u1ebfn khi c\u00f2n l\u1ea1i m\u1ed9t c\u1ea5u h\u00ecnh si\u00eau tham s\u1ed1 t\u1ed1i \u01b0u.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cac-sieu-tham-so-pho-bien-trong-thi-giac-may-tinh\"><\/span><strong>C\u00e1c si\u00eau tham s\u1ed1 ph\u1ed5 bi\u1ebfn trong th\u1ecb gi\u00e1c m\u00e1y t\u00ednh<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Trong c\u00e1c t\u00e1c v\u1ee5 th\u1ecb gi\u00e1c m\u00e1y t\u00ednh, nhi\u1ec1u si\u00eau tham s\u1ed1 \u1ea3nh h\u01b0\u1edfng l\u1edbn \u0111\u1ebfn hi\u1ec7u su\u1ea5t v\u00e0 h\u00e0nh vi c\u1ee7a c\u00e1c m\u00f4 h\u00ecnh h\u1ecdc m\u00e1y. Vi\u1ec7c hi\u1ec3u v\u00e0 tinh ch\u1ec9nh \u0111\u00fang c\u00e1c si\u00eau tham s\u1ed1 n\u00e0y c\u00f3 th\u1ec3 gi\u00fap n\u00e2ng cao \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a c\u00e1c \u1ee9ng d\u1ee5ng th\u1ecb gi\u00e1c m\u00e1y t\u00ednh. M\u1ed9t s\u1ed1 si\u00eau tham s\u1ed1 ph\u1ed5 bi\u1ebfn trong th\u1ecb gi\u00e1c m\u00e1y t\u00ednh bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>T\u1ed1c \u0111\u1ed9 h\u1ecdc (Learning Rate):<\/strong> T\u1ed1c \u0111\u1ed9 h\u1ecdc x\u00e1c \u0111\u1ecbnh b\u01b0\u1edbc nh\u1ea3y m\u00e0 m\u00f4 h\u00ecnh s\u1eed d\u1ee5ng \u0111\u1ec3 c\u1eadp nh\u1eadt c\u00e1c tham s\u1ed1 trong qu\u00e1 tr\u00ecnh hu\u1ea5n luy\u1ec7n. N\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 h\u1ed9i t\u1ee5 v\u00e0 s\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a qu\u00e1 tr\u00ecnh hu\u1ea5n luy\u1ec7n.<\/li>\n<li><strong>K\u00edch th\u01b0\u1edbc l\u00f4 (Batch Size):<\/strong> K\u00edch th\u01b0\u1edbc l\u00f4 x\u00e1c \u0111\u1ecbnh s\u1ed1 l\u01b0\u1ee3ng m\u1eabu \u0111\u01b0\u1ee3c x\u1eed l\u00fd trong m\u1ed7i v\u00f2ng l\u1eb7p trong qu\u00e1 tr\u00ecnh hu\u1ea5n luy\u1ec7n m\u00f4 h\u00ecnh.<\/li>\n<li><strong>Ki\u1ebfn tr\u00fac m\u1ea1ng (Network Architecture):<\/strong> Ki\u1ebfn tr\u00fac m\u1ea1ng x\u00e1c \u0111\u1ecbnh c\u1ea5u tr\u00fac v\u00e0 k\u1ebft n\u1ed1i c\u1ee7a c\u00e1c l\u1edbp m\u1ea1ng th\u1ea7n kinh.<\/li>\n<li><strong>K\u00edch th\u01b0\u1edbc kernel (Kernel Size):<\/strong> Trong c\u00e1c m\u1ea1ng n\u01a1-ron t\u00edch ch\u1eadp (CNN), k\u00edch th\u01b0\u1edbc kernel x\u00e1c \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc tr\u01b0\u1eddng ti\u1ebfp nh\u1eadn d\u00f9ng \u0111\u1ec3 tr\u00edch xu\u1ea5t \u0111\u1eb7c tr\u01b0ng.<\/li>\n<li><strong>T\u1ef7 l\u1ec7 <a href=\"https:\/\/interdata.vn\/blog\/dropout-la-gi\/\">Dropout<\/a> (Dropout Rate):<\/strong> Dropout l\u00e0 m\u1ed9t k\u1ef9 thu\u1eadt \u0111i\u1ec1u chu\u1ea9n ng\u1eabu nhi\u00ean b\u1ecf qua m\u1ed9t s\u1ed1 \u0111\u01a1n v\u1ecb c\u1ee7a m\u1ea1ng trong qu\u00e1 tr\u00ecnh hu\u1ea5n luy\u1ec7n \u0111\u1ec3 tr\u00e1nh overfitting.<\/li>\n<\/ul>\n<p>Vi\u1ec7c tinh ch\u1ec9nh c\u00e1c si\u00eau tham s\u1ed1 n\u00e0y y\u00eau c\u1ea7u th\u1eed nghi\u1ec7m v\u00e0 ph\u00e2n t\u00edch c\u1ea9n th\u1eadn \u0111\u1ec3 t\u00ecm ra gi\u00e1 tr\u1ecb t\u1ed1i \u01b0u cho m\u1ed9t t\u00e1c v\u1ee5 th\u1ecb gi\u00e1c m\u00e1y t\u00ednh c\u1ee5 th\u1ec3.<\/p>\n<p>T\u1ed5ng k\u1ebft l\u1ea1i, vi\u1ec7c tinh ch\u1ec9nh si\u00eau tham s\u1ed1 kh\u00f4ng ch\u1ec9 gi\u00fap t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t c\u1ee7a m\u00f4 h\u00ecnh m\u00e0 c\u00f2n c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng t\u1ed5ng qu\u00e1t v\u00e0 gi\u1ea3m thi\u1ec3u c\u00e1c v\u1ea5n \u0111\u1ec1 nh\u01b0 overfitting v\u00e0 underfitting.<\/p>\n<p>Tuy nhi\u00ean, qu\u00e1 tr\u00ecnh n\u00e0y c\u0169ng g\u1eb7p kh\u00f4ng \u00edt th\u00e1ch th\u1ee9c, t\u1eeb vi\u1ec7c t\u00ecm ki\u1ebfm kh\u00f4ng gian si\u00eau tham s\u1ed1 r\u1ed9ng l\u1edbn \u0111\u1ebfn vi\u1ec7c l\u1ef1a ch\u1ecdn ph\u01b0\u01a1ng ph\u00e1p t\u1ed1i \u01b0u. Hi\u1ec3u r\u00f5 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p tinh ch\u1ec9nh si\u00eau tham s\u1ed1 l\u00e0 g\u00ec trong h\u1ecdc m\u00e1y s\u1ebd gi\u00fap b\u1ea1n c\u00f3 \u0111\u01b0\u1ee3c m\u00f4 h\u00ecnh t\u1ed1t nh\u1ea5t cho c\u00e1c \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf.<\/p>\n<p>N\u1ebfu b\u1ea1n \u0111ang t\u00ecm ki\u1ebfm m\u1ed9t gi\u1ea3i ph\u00e1p <a href=\"https:\/\/interdata.vn\/blog\/vps-la-gi\/\">VPS<\/a> \u1ed5n \u0111\u1ecbnh \u0111\u1ec3 h\u1ed7 tr\u1ee3 qu\u00e1 tr\u00ecnh hu\u1ea5n luy\u1ec7n v\u00e0 tinh ch\u1ec9nh si\u00eau tham s\u1ed1 trong h\u1ecdc m\u00e1y, d\u1ecbch v\u1ee5 &#8220;<a href=\"https:\/\/interdata.vn\/thue-vps\/\">thu\u00ea VPS ch\u1ea5t l\u01b0\u1ee3ng gi\u00e1 r\u1ebb<\/a>&#8221; t\u1ea1i InterData s\u1ebd l\u00e0 l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng. V\u1edbi ph\u1ea7n c\u1ee9ng m\u1edbi nh\u1ea5t nh\u01b0 CPU AMD EPYC v\u00e0 <a href=\"https:\/\/interdata.vn\/blog\/intel-xeon\/\">Intel Xeon<\/a> Platinum, SSD NVMe U.2, <a href=\"https:\/\/interdata.vn\/blog\/bang-thong-la-gi\/\">b\u0103ng th\u00f4ng<\/a> cao v\u00e0 dung l\u01b0\u1ee3ng t\u1ed1i \u01b0u, b\u1ea1n s\u1ebd tr\u1ea3i nghi\u1ec7m t\u1ed1c \u0111\u1ed9 x\u1eed l\u00fd m\u1ea1nh m\u1ebd v\u00e0 hi\u1ec7u qu\u1ea3.<\/p>\n<p>D\u1ecbch v\u1ee5 &#8220;<a href=\"https:\/\/interdata.vn\/cloud-server\/\">thu\u00ea Cloud Server gi\u00e1 r\u1ebb t\u1ed1c \u0111\u1ed9 cao<\/a>&#8221; c\u1ee7a InterData cung c\u1ea5p gi\u1ea3i ph\u00e1p linh ho\u1ea1t v\u00e0 m\u1ea1nh m\u1ebd cho c\u00e1c m\u00f4 h\u00ecnh h\u1ecdc m\u00e1y, \u0111\u1eb7c bi\u1ec7t trong c\u00e1c t\u00e1c v\u1ee5 y\u00eau c\u1ea7u t\u00e0i nguy\u00ean t\u00ednh to\u00e1n l\u1edbn. V\u1edbi c\u1ea5u h\u00ecnh cao c\u1ea5p, bao g\u1ed3m CPU m\u1ea1nh m\u1ebd v\u00e0 SSD NVMe, b\u1ea1n s\u1ebd t\u1eadn d\u1ee5ng \u0111\u01b0\u1ee3c t\u1ed1c \u0111\u1ed9 cao, b\u0103ng th\u00f4ng \u1ed5n \u0111\u1ecbnh v\u00e0 hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u cho c\u00f4ng vi\u1ec7c hu\u1ea5n luy\u1ec7n m\u00f4 h\u00ecnh.<\/p>\n<p>H\u00e3y li\u00ean h\u1ec7 v\u1edbi InterData \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n chi ti\u1ebft.<\/p>\n<p><strong>INTERDATA<\/strong><\/p>\n<ul>\n<li><strong><a href=\"https:\/\/interdata.vn\/blog\/website-la-gi\/\">Website<\/a>:<\/strong><span>\u00a0<\/span>Interdata.vn<\/li>\n<li><strong>Hotline:<\/strong><span>\u00a0<\/span>1900-636822<\/li>\n<li><strong>Email:<\/strong><span>\u00a0<\/span>Info@interdata.vn<\/li>\n<li><strong>VP\u0110D:<\/strong><span>\u00a0<\/span>240 Nguy\u1ec5n \u0110\u00ecnh Ch\u00ednh, P.11. Q. Ph\u00fa Nhu\u1eadn, TP. Ho\u0302\u0300 Ch\u00ed Minh<\/li>\n<li><strong>VPGD:<\/strong><span>\u00a0<\/span>S\u1ed1 211 \u0110\u01b0\u1eddng s\u1ed1 5, K\u0110T Lakeview City, P. An Ph\u00fa, TP. Th\u1ee7 \u0110\u1ee9c, TP. H\u1ed3 Ch\u00ed Minh<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Trong h\u1ecdc m\u00e1y, vi\u1ec7c hi\u1ec3u v\u00e0 \u0111i\u1ec1u ch\u1ec9nh c\u00e1c si\u00eau tham s\u1ed1 (hyperparameters) l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng gi\u00fap m\u00f4 h\u00ecnh ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 h\u01a1n. T\u1eeb vi\u1ec7c ch\u1ecdn t\u1ed1c \u0111\u1ed9 h\u1ecdc \u0111\u1ebfn x\u00e1c \u0111\u1ecbnh c\u1ea5u tr\u00fac m\u1ea1ng, t\u1ea5t c\u1ea3 \u0111\u1ec1u \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng hu\u1ea5n luy\u1ec7n v\u00e0 hi\u1ec7u su\u1ea5t m\u00f4 h\u00ecnh. B\u00e0i vi\u1ebft<\/p>\n","protected":false},"author":11,"featured_media":27153,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[108],"tags":[],"class_list":["post-27146","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ai"],"_links":{"self":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/27146","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/comments?post=27146"}],"version-history":[{"count":2,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/27146\/revisions"}],"predecessor-version":[{"id":27154,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/27146\/revisions\/27154"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media\/27153"}],"wp:attachment":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media?parent=27146"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/categories?post=27146"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/tags?post=27146"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}