{"id":27249,"date":"2025-04-24T13:25:03","date_gmt":"2025-04-24T06:25:03","guid":{"rendered":"https:\/\/interdata.vn\/blog\/?p=27249"},"modified":"2025-04-24T13:25:03","modified_gmt":"2025-04-24T06:25:03","slug":"bias-variance-tradeoff","status":"publish","type":"post","link":"https:\/\/interdata.vn\/blog\/bias-variance-tradeoff\/","title":{"rendered":"Bias-Variance Tradeoff: Th\u1ecfa hi\u1ec7p Bias-Variance trong h\u1ecdc m\u00e1y"},"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\/bias-variance-tradeoff\/#Tim-hieu-ve-Bias-Variance-Tradeoff\" >T\u00ecm hi\u1ec3u v\u1ec1 Bias-Variance Tradeoff<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/interdata.vn\/blog\/bias-variance-tradeoff\/#Bias-la-gi\" >Bias l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/interdata.vn\/blog\/bias-variance-tradeoff\/#Variance-la-gi\" >Variance l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/interdata.vn\/blog\/bias-variance-tradeoff\/#Bias-Variance-Tradeoff\" >Bias-Variance Tradeoff<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/interdata.vn\/blog\/bias-variance-tradeoff\/#Tam-quan-trong-cua-thoa-hiep-Bias-Variance-trong-Machine-Learning\" >T\u1ea7m quan tr\u1ecdng c\u1ee7a th\u1ecfa hi\u1ec7p Bias-Variance trong Machine Learning<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/interdata.vn\/blog\/bias-variance-tradeoff\/#-Hon-ca-chi-so-chinh-xac-Accuracy\" >\u00a0H\u01a1n c\u1ea3 ch\u1ec9 s\u1ed1 ch\u00ednh x\u00e1c (Accuracy)<\/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\/bias-variance-tradeoff\/#Anh-huong-den-quyet-dinh-lua-chon-mo-hinh\" >\u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn quy\u1ebft \u0111\u1ecbnh l\u1ef1a ch\u1ecdn m\u00f4 h\u00ecnh<\/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\/bias-variance-tradeoff\/#Cac-truong-hop-su-dung-cua-Bias-Variance-Tradeoff\" >C\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u1ee7a Bias-Variance Tradeoff<\/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\/bias-variance-tradeoff\/#Cac-cong-nghe-lien-quan-den-Bias-Variance-Tradeoff\" >C\u00e1c c\u00f4ng ngh\u1ec7 li\u00ean quan \u0111\u1ebfn Bias-Variance Tradeoff<\/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\/bias-variance-tradeoff\/#Lam-the-nao-de-dat-duoc-Bias-Variance-Tradeoff\" >L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c Bias-Variance Tradeoff?<\/a><\/li><\/ul><\/nav><\/div>\n<p>Trong h\u1ecdc m\u00e1y (Machine Learning), vi\u1ec7c hi\u1ec3u v\u00e0 \u00e1p d\u1ee5ng \u0111\u00fang th\u1ecfa hi\u1ec7p gi\u1eefa bias v\u00e0 variance (Bias-Variance Tradeoff) l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t m\u00f4 h\u00ecnh. Bias v\u00e0 variance \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 kh\u1ea3 n\u0103ng t\u1ed5ng qu\u00e1t c\u1ee7a m\u00f4 h\u00ecnh. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u00fap b\u1ea1n t\u00ecm hi\u1ec3u v\u1ec1 <a href=\"https:\/\/interdata.vn\/blog\/bias-variance-tradeoff\/\"><strong>Bias-Variance Tradeoff l\u00e0 g\u00ec<\/strong><\/a>, vai tr\u00f2 c\u1ee7a th\u1ecfa hi\u1ec7p Bias-Variance, t\u1ea7m quan tr\u1ecdng trong qu\u00e1 tr\u00ecnh x\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh, c\u0169ng nh\u01b0 c\u00e1ch \u00e1p d\u1ee5ng v\u00e0 \u0111i\u1ec1u ch\u1ec9nh th\u1ecfa hi\u1ec7p n\u00e0y \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 t\u1ed1t nh\u1ea5t. \u0110\u1ecdc ngay!<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Tim-hieu-ve-Bias-Variance-Tradeoff\"><\/span><strong>T\u00ecm hi\u1ec3u v\u1ec1 Bias-Variance Tradeoff<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Bias-la-gi\"><\/span><strong>Bias l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Bias (\u0111\u1ed9 thi\u00ean l\u1ec7ch)<\/strong> l\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa d\u1ef1 \u0111o\u00e1n gi\u00e1 tr\u1ecb c\u1ee7a m\u00f4 h\u00ecnh H\u1ecdc M\u00e1y v\u00e0 gi\u00e1 tr\u1ecb \u0111\u00fang. Khi \u0111\u1ed9 thi\u00ean l\u1ec7ch cao, l\u1ed7i trong qu\u00e1 tr\u00ecnh hu\u1ea5n luy\u1ec7n c\u0169ng nh\u01b0 ki\u1ec3m tra d\u1eef li\u1ec7u s\u1ebd l\u1edbn.<\/p>\n<p>Ng\u01b0\u1eddi ta khuy\u1ebfn ngh\u1ecb r\u1eb1ng m\u1ed9t thu\u1eadt to\u00e1n n\u00ean c\u00f3 \u0111\u1ed9 thi\u00ean l\u1ec7ch th\u1ea5p \u0111\u1ec3 tr\u00e1nh v\u1ea5n \u0111\u1ec1 thi\u1ebfu ph\u00f9 h\u1ee3p (underfitting). Khi \u0111\u1ed9 thi\u00ean l\u1ec7ch cao, d\u1eef li\u1ec7u d\u1ef1 \u0111o\u00e1n th\u01b0\u1eddng n\u1eb1m tr\u00ean m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng, do \u0111\u00f3 kh\u00f4ng kh\u1edbp ch\u00ednh x\u00e1c v\u1edbi d\u1eef li\u1ec7u trong b\u1ed9 d\u1eef li\u1ec7u.<\/p>\n<p>S\u1ef1 kh\u1edbp n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 &#8220;underfitting&#8221; (thi\u1ebfu ph\u00f9 h\u1ee3p v\u1edbi d\u1eef li\u1ec7u). \u0110i\u1ec1u n\u00e0y x\u1ea3y ra khi gi\u1ea3 thuy\u1ebft qu\u00e1 \u0111\u01a1n gi\u1ea3n ho\u1eb7c c\u00f3 t\u00ednh tuy\u1ebfn t\u00ednh. H\u00e3y tham kh\u1ea3o \u0111\u1ed3 th\u1ecb d\u01b0\u1edbi \u0111\u00e2y \u0111\u1ec3 xem v\u00ed d\u1ee5 v\u1ec1 t\u00ecnh hu\u1ed1ng n\u00e0y.<\/p>\n<figure id=\"attachment_27251\" aria-describedby=\"caption-attachment-27251\" style=\"width: 418px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Bias-la-gi.jpg\" alt=\"Bias l\u00e0 g\u00ec\" width=\"418\" height=\"304\" class=\"size-full wp-image-27251\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Bias-la-gi.jpg 418w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Bias-la-gi-300x218.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Bias-la-gi-120x86.jpg 120w\" sizes=\"auto, (max-width: 418px) 100vw, 418px\" \/><figcaption id=\"caption-attachment-27251\" class=\"wp-caption-text\">Bias l\u00e0 g\u00ec<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Variance-la-gi\"><\/span><strong>Variance l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Variance (ph\u01b0\u01a1ng sai)<\/strong> l\u00e0 s\u1ef1 bi\u1ebfn \u0111\u1ed5i trong d\u1ef1 \u0111o\u00e1n c\u1ee7a m\u00f4 h\u00ecnh \u0111\u1ed1i v\u1edbi m\u1ed9t \u0111i\u1ec3m d\u1eef li\u1ec7u c\u1ee5 th\u1ec3, cho ch\u00fang ta bi\u1ebft m\u1ee9c \u0111\u1ed9 ph\u00e2n t\u00e1n c\u1ee7a d\u1eef li\u1ec7u. M\u00f4 h\u00ecnh c\u00f3 ph\u01b0\u01a1ng sai cao s\u1ebd c\u00f3 s\u1ef1 kh\u1edbp ph\u1ee9c t\u1ea1p v\u1edbi d\u1eef li\u1ec7u hu\u1ea5n luy\u1ec7n v\u00e0 do \u0111\u00f3 kh\u00f4ng th\u1ec3 kh\u1edbp ch\u00ednh x\u00e1c v\u1edbi d\u1eef li\u1ec7u m\u00e0 n\u00f3 ch\u01b0a th\u1ea5y tr\u01b0\u1edbc \u0111\u00e2y.<\/p>\n<p>K\u1ebft qu\u1ea3 l\u00e0, nh\u1eefng m\u00f4 h\u00ecnh nh\u01b0 v\u1eady ho\u1ea1t \u0111\u1ed9ng r\u1ea5t t\u1ed1t v\u1edbi d\u1eef li\u1ec7u hu\u1ea5n luy\u1ec7n nh\u01b0ng c\u00f3 t\u1ef7 l\u1ec7 l\u1ed7i cao v\u1edbi d\u1eef li\u1ec7u ki\u1ec3m tra. Khi m\u00f4 h\u00ecnh c\u00f3 ph\u01b0\u01a1ng sai cao, n\u00f3 \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 &#8220;overfitting&#8221; (qu\u00e1 kh\u1edbp v\u1edbi d\u1eef li\u1ec7u).<\/p>\n<p>Overfitting l\u00e0 vi\u1ec7c kh\u1edbp d\u1eef li\u1ec7u hu\u1ea5n luy\u1ec7n ch\u00ednh x\u00e1c th\u00f4ng qua c\u00e1c \u0111\u01b0\u1eddng cong ph\u1ee9c t\u1ea1p v\u00e0 gi\u1ea3 thuy\u1ebft b\u1eadc cao, nh\u01b0ng kh\u00f4ng ph\u1ea3i l\u00e0 gi\u1ea3i ph\u00e1p v\u00ec l\u1ed7i v\u1edbi d\u1eef li\u1ec7u ch\u01b0a th\u1ea5y tr\u01b0\u1edbc r\u1ea5t cao. Khi hu\u1ea5n luy\u1ec7n m\u00f4 h\u00ecnh d\u1eef li\u1ec7u, ph\u01b0\u01a1ng sai c\u1ea7n \u0111\u01b0\u1ee3c gi\u1eef \u1edf m\u1ee9c th\u1ea5p. D\u1eef li\u1ec7u c\u00f3 ph\u01b0\u01a1ng sai cao tr\u00f4ng nh\u01b0 sau.<\/p>\n<figure id=\"attachment_27252\" aria-describedby=\"caption-attachment-27252\" style=\"width: 400px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Variance-la-gi.jpg\" alt=\"Variance l\u00e0 g\u00ec\" width=\"400\" height=\"310\" class=\"size-full wp-image-27252\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Variance-la-gi.jpg 400w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Variance-la-gi-300x233.jpg 300w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><figcaption id=\"caption-attachment-27252\" class=\"wp-caption-text\">Variance l\u00e0 g\u00ec?<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Bias-Variance-Tradeoff\"><\/span><strong>Bias-Variance Tradeoff<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>N\u1ebfu thu\u1eadt to\u00e1n qu\u00e1 \u0111\u01a1n gi\u1ea3n (gi\u1ea3 thuy\u1ebft v\u1edbi ph\u01b0\u01a1ng tr\u00ecnh tuy\u1ebfn t\u00ednh), n\u00f3 c\u00f3 th\u1ec3 r\u01a1i v\u00e0o t\u00ecnh tr\u1ea1ng \u0111\u1ed9 thi\u00ean l\u1ec7ch cao v\u00e0 ph\u01b0\u01a1ng sai th\u1ea5p, d\u1eabn \u0111\u1ebfn kh\u1ea3 n\u0103ng m\u1eafc l\u1ed7i cao.<\/p>\n<p>N\u1ebfu thu\u1eadt to\u00e1n kh\u1edbp qu\u00e1 ph\u1ee9c t\u1ea1p (gi\u1ea3 thuy\u1ebft v\u1edbi ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc cao), n\u00f3 c\u00f3 th\u1ec3 r\u01a1i v\u00e0o t\u00ecnh tr\u1ea1ng ph\u01b0\u01a1ng sai cao v\u00e0 \u0111\u1ed9 thi\u00ean l\u1ec7ch th\u1ea5p. Trong t\u00ecnh tr\u1ea1ng sau, c\u00e1c gi\u00e1 tr\u1ecb m\u1edbi s\u1ebd kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng t\u1ed1t.<\/p>\n<p>Tuy nhi\u00ean, c\u00f3 m\u1ed9t tr\u1ea1ng th\u00e1i gi\u1eefa hai \u0111i\u1ec1u ki\u1ec7n n\u00e0y, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 Th\u1ecfa thu\u1eadn hay Th\u1ecfa hi\u1ec7p Bias-Variance. Th\u1ecfa hi\u1ec7p trong \u0111\u1ed9 ph\u1ee9c t\u1ea1p n\u00e0y l\u00e0 l\u00fd do t\u1ea1i sao c\u00f3 s\u1ef1 th\u1ecfa hi\u1ec7p gi\u1eefa \u0111\u1ed9 thi\u00ean l\u1ec7ch v\u00e0 ph\u01b0\u01a1ng sai. M\u1ed9t thu\u1eadt to\u00e1n kh\u00f4ng th\u1ec3 v\u1eeba ph\u1ee9c t\u1ea1p h\u01a1n v\u1eeba \u0111\u01a1n gi\u1ea3n h\u01a1n c\u00f9ng m\u1ed9t l\u00fac. \u0110\u1ed1i v\u1edbi \u0111\u1ed3 th\u1ecb, th\u1ecfa hi\u1ec7p l\u00fd t\u01b0\u1edfng s\u1ebd nh\u01b0 sau.<\/p>\n<figure id=\"attachment_27253\" aria-describedby=\"caption-attachment-27253\" style=\"width: 417px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Bias-Variance-Tradeoff-la-gi.jpg\" alt=\"Bias-Variance Tradeoff l\u00e0 g\u00ec\" width=\"417\" height=\"308\" class=\"size-full wp-image-27253\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Bias-Variance-Tradeoff-la-gi.jpg 417w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Bias-Variance-Tradeoff-la-gi-300x222.jpg 300w\" sizes=\"auto, (max-width: 417px) 100vw, 417px\" \/><figcaption id=\"caption-attachment-27253\" class=\"wp-caption-text\">Bias-Variance Tradeoff l\u00e0 g\u00ec?<\/figcaption><\/figure>\n<p>M\u00f4 h\u00ecnh ph\u00f9 h\u1ee3p nh\u1ea5t s\u1ebd \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi gi\u1ea3 thuy\u1ebft t\u1ea1i \u0111i\u1ec3m th\u1ecfa hi\u1ec7p. \u0110\u1ed3 th\u1ecb l\u1ed7i v\u00e0 \u0111\u1ed9 ph\u1ee9c t\u1ea1p \u0111\u1ec3 th\u1ec3 hi\u1ec7n s\u1ef1 th\u1ecfa hi\u1ec7p s\u1ebd nh\u01b0 sau \u2013 \u0110\u00e2y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111i\u1ec3m t\u1ed1t nh\u1ea5t \u0111\u01b0\u1ee3c ch\u1ecdn cho vi\u1ec7c hu\u1ea5n luy\u1ec7n thu\u1eadt to\u00e1n, mang l\u1ea1i l\u1ed7i th\u1ea5p c\u1ea3 trong d\u1eef li\u1ec7u hu\u1ea5n luy\u1ec7n v\u00e0 d\u1eef li\u1ec7u ki\u1ec3m tra.<\/p>\n<figure id=\"attachment_27254\" aria-describedby=\"caption-attachment-27254\" style=\"width: 753px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Vung-co-gia-tri-nho-nhat-cua-tong-loi.png\" alt=\"V\u00f9ng c\u00f3 gi\u00e1 tr\u1ecb nh\u1ecf nh\u1ea5t c\u1ee7a t\u1ed5ng l\u1ed7i\" width=\"753\" height=\"545\" class=\"size-full wp-image-27254\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Vung-co-gia-tri-nho-nhat-cua-tong-loi.png 753w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Vung-co-gia-tri-nho-nhat-cua-tong-loi-300x217.png 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Vung-co-gia-tri-nho-nhat-cua-tong-loi-120x86.png 120w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Vung-co-gia-tri-nho-nhat-cua-tong-loi-750x543.png 750w\" sizes=\"auto, (max-width: 753px) 100vw, 753px\" \/><figcaption id=\"caption-attachment-27254\" class=\"wp-caption-text\">V\u00f9ng c\u00f3 gi\u00e1 tr\u1ecb nh\u1ecf nh\u1ea5t c\u1ee7a t\u1ed5ng l\u1ed7i<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Tam-quan-trong-cua-thoa-hiep-Bias-Variance-trong-Machine-Learning\"><\/span><strong>T\u1ea7m quan tr\u1ecdng c\u1ee7a th\u1ecfa hi\u1ec7p Bias-Variance trong Machine Learning<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"-Hon-ca-chi-so-chinh-xac-Accuracy\"><\/span><strong>\u00a0H\u01a1n c\u1ea3 ch\u1ec9 s\u1ed1 ch\u00ednh x\u00e1c (Accuracy)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Khi \u0111\u00e1nh gi\u00e1 hi\u1ec7u su\u1ea5t c\u1ee7a m\u00f4 h\u00ecnh Machine Learning, ngo\u00e0i ch\u1ec9 s\u1ed1 ch\u00ednh x\u00e1c (accuracy), ch\u00fang ta c\u00f2n c\u1ea7n ph\u1ea3i xem x\u00e9t \u0111\u1ebfn bias v\u00e0 variance. M\u00f4 h\u00ecnh c\u1ea7n \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa hai y\u1ebfu t\u1ed1 n\u00e0y \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a \u0111\u1ed9 ch\u00ednh x\u00e1c tr\u00ean c\u1ea3 t\u1eadp hu\u1ea5n luy\u1ec7n v\u00e0 t\u1eadp ki\u1ec3m tra.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Anh-huong-den-quyet-dinh-lua-chon-mo-hinh\"><\/span><strong>\u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn quy\u1ebft \u0111\u1ecbnh l\u1ef1a ch\u1ecdn m\u00f4 h\u00ecnh<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Vi\u1ec7c hi\u1ec3u r\u00f5 th\u1ecfa hi\u1ec7p bias-variance khi x\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh Machine Learning gi\u00fap c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u l\u1ef1a ch\u1ecdn m\u00f4 h\u00ecnh v\u00e0 k\u1ef9 thu\u1eadt ph\u00f9 h\u1ee3p v\u1edbi b\u1ed9 d\u1eef li\u1ec7u m\u00e0 h\u1ecd \u0111ang l\u00e0m vi\u1ec7c. \u0110i\u1ec1u n\u00e0y c\u0169ng c\u00f3 th\u1ec3 t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn vi\u1ec7c l\u1ef1a ch\u1ecdn thu\u1eadt to\u00e1n, c\u1ea5u tr\u00fac m\u00f4 h\u00ecnh v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ed1i \u01b0u h\u00f3a.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cac-truong-hop-su-dung-cua-Bias-Variance-Tradeoff\"><\/span><strong>C\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u1ee7a Bias-Variance Tradeoff<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Th\u1ecfa hi\u1ec7p Bias-Variance c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng h\u1ecdc m\u00e1y, bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>D\u1ef1 b\u00e1o t\u00e0i ch\u00ednh<\/strong>: \u0110\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c d\u1ef1 \u0111o\u00e1n ch\u00ednh x\u00e1c v\u1ec1 gi\u00e1 c\u1ed5 phi\u1ebfu, xu h\u01b0\u1edbng th\u1ecb tr\u01b0\u1eddng v\u00e0 c\u01a1 h\u1ed9i \u0111\u1ea7u t\u01b0.<\/li>\n<li><strong>Ch\u1ea9n \u0111o\u00e1n y t\u1ebf<\/strong>: X\u00e2y d\u1ef1ng c\u00e1c m\u00f4 h\u00ecnh \u0111\u00e1ng tin c\u1eady \u0111\u1ec3 ch\u1ea9n \u0111o\u00e1n b\u1ec7nh v\u00e0 \u0111\u00e1nh gi\u00e1 r\u1ee7i ro b\u1ec7nh nh\u00e2n.<\/li>\n<li><strong>Ph\u00e2n t\u00edch h\u00e0nh vi kh\u00e1ch h\u00e0ng<\/strong>: Hi\u1ec3u s\u1edf th\u00edch c\u1ee7a kh\u00e1ch h\u00e0ng v\u00e0 t\u1ed1i \u01b0u h\u00f3a c\u00e1c chi\u1ebfn l\u01b0\u1ee3c marketing.<\/li>\n<li><strong>X\u1eed l\u00fd ng\u00f4n ng\u1eef t\u1ef1 nhi\u00ean (NLP)<\/strong>: Ph\u00e1t tri\u1ec3n c\u00e1c m\u00f4 h\u00ecnh ng\u00f4n ng\u1eef cho ph\u00e2n t\u00edch c\u1ea3m x\u00fac, chatbot v\u00e0 t\u1ea1o sinh v\u0103n b\u1ea3n.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Cac-cong-nghe-lien-quan-den-Bias-Variance-Tradeoff\"><\/span><strong>C\u00e1c c\u00f4ng ngh\u1ec7 li\u00ean quan \u0111\u1ebfn Bias-Variance Tradeoff<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>M\u1ed9t s\u1ed1 kh\u00e1i ni\u1ec7m v\u00e0 k\u1ef9 thu\u1eadt li\u00ean quan gi\u00fap hi\u1ec3u v\u00e0 qu\u1ea3n l\u00fd Bias-Variance Tradeoff:<\/p>\n<ul>\n<li><strong>Regularization (Ch\u00ednh quy h\u00f3a)<\/strong>: L\u00e0 k\u1ef9 thu\u1eadt \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ki\u1ec3m so\u00e1t \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a m\u00f4 h\u00ecnh v\u00e0 ng\u0103n ng\u1eeba overfitting (qu\u00e1 kh\u1edbp) b\u1eb1ng c\u00e1ch ph\u1ea1t c\u00e1c gi\u00e1 tr\u1ecb tham s\u1ed1 l\u1edbn.<\/li>\n<li><strong>Cross-Validation (Ki\u1ec3m tra ch\u00e9o)<\/strong>: L\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1nh gi\u00e1 hi\u1ec7u su\u1ea5t c\u1ee7a m\u00f4 h\u00ecnh tr\u00ean nhi\u1ec1u t\u1eadp d\u1eef li\u1ec7u con, gi\u00fap \u01b0\u1edbc t\u00ednh bias v\u00e0 variance.<\/li>\n<li><strong>Ensemble Methods (Ph\u01b0\u01a1ng ph\u00e1p t\u1eadp h\u1ee3p)<\/strong>: K\u1ebft h\u1ee3p nhi\u1ec1u m\u00f4 h\u00ecnh \u0111\u1ec3 gi\u1ea3m ph\u01b0\u01a1ng sai v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t d\u1ef1 \u0111o\u00e1n t\u1ed5ng th\u1ec3.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Lam-the-nao-de-dat-duoc-Bias-Variance-Tradeoff\"><\/span><strong>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c Bias-Variance Tradeoff?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Nh\u01b0 ch\u00fang ta \u0111\u00e3 h\u1ecdc, \u0111\u1ed9 thi\u00ean l\u1ec7ch v\u00e0 ph\u01b0\u01a1ng sai c\u00f3 s\u1ef1 ph\u1ee5 thu\u1ed9c l\u1eabn nhau. N\u00f3i c\u00e1ch kh\u00e1c, gi\u1ea3m \u0111\u1ed9 thi\u00ean l\u1ec7ch c\u1ee7a m\u1ed9t m\u00f4 h\u00ecnh s\u1ebd d\u1eabn \u0111\u1ebfn vi\u1ec7c t\u0103ng ph\u01b0\u01a1ng sai v\u00e0 ng\u01b0\u1ee3c l\u1ea1i. M\u1ed1i quan h\u1ec7 n\u00e0y gi\u1eefa \u0111\u1ed9 thi\u00ean l\u1ec7ch v\u00e0 ph\u01b0\u01a1ng sai \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 th\u1ecfa hi\u1ec7p bias-variance.<\/p>\n<p>C\u00e2n b\u1eb1ng gi\u1eefa \u0111\u1ed9 thi\u00ean l\u1ec7ch v\u00e0 ph\u01b0\u01a1ng sai c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh trong c\u00e1c thu\u1eadt to\u00e1n c\u1ee5 th\u1ec3 b\u1eb1ng c\u00e1ch thay \u0111\u1ed5i c\u00e1c tham s\u1ed1, nh\u01b0 v\u00ed d\u1ee5 d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n<p>\u0110\u1ed1i v\u1edbi thu\u1eadt to\u00e1n k-l\u00e1ng gi\u1ec1ng g\u1ea7n nh\u1ea5t (k-nearest neighbors), \u0111\u1ed9 thi\u00ean l\u1ec7ch th\u1ea5p v\u00e0 ph\u01b0\u01a1ng sai cao c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh b\u1eb1ng c\u00e1ch t\u0103ng gi\u00e1 tr\u1ecb c\u1ee7a k, \u0111i\u1ec1u n\u00e0y s\u1ebd l\u00e0m t\u0103ng \u0111\u1ed9 thi\u00ean l\u1ec7ch v\u00e0 gi\u1ea3m ph\u01b0\u01a1ng sai.<\/p>\n<figure id=\"attachment_27256\" aria-describedby=\"caption-attachment-27256\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Lam-the-nao-de-dat-duoc-Bias-Variance-Tradeoff.png\" alt=\"L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c Bias-Variance Tradeoff\" width=\"800\" height=\"500\" class=\"size-full wp-image-27256\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Lam-the-nao-de-dat-duoc-Bias-Variance-Tradeoff.png 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Lam-the-nao-de-dat-duoc-Bias-Variance-Tradeoff-300x188.png 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Lam-the-nao-de-dat-duoc-Bias-Variance-Tradeoff-768x480.png 768w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/04\/Lam-the-nao-de-dat-duoc-Bias-Variance-Tradeoff-750x469.png 750w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-27256\" class=\"wp-caption-text\">L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c Bias-Variance Tradeoff<\/figcaption><\/figure>\n<p>\u0110\u1ed1i v\u1edbi m\u00e1y vector h\u1ed7 tr\u1ee3 (support vector machines), \u0111\u1ed9 thi\u00ean l\u1ec7ch th\u1ea5p v\u00e0 ph\u01b0\u01a1ng sai cao c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thay \u0111\u1ed5i b\u1eb1ng c\u00e1ch \u0111i\u1ec1u ch\u1ec9nh tham s\u1ed1 C, \u0111i\u1ec1u n\u00e0y s\u1ebd t\u0103ng \u0111\u1ed9 thi\u00ean l\u1ec7ch v\u00e0 gi\u1ea3m ph\u01b0\u01a1ng sai.<\/p>\n<p>\u0110\u00e1ng ti\u1ebfc l\u00e0 kh\u00f4ng th\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c sai s\u1ed1 th\u1ef1c t\u1ebf c\u1ee7a \u0111\u1ed9 thi\u00ean l\u1ec7ch v\u00e0 ph\u01b0\u01a1ng sai khi ch\u00fang ta \u0111ang c\u1ed1 g\u1eafng d\u1ef1 \u0111o\u00e1n h\u00e0m m\u1ee5c ti\u00eau. Tuy nhi\u00ean, \u0111\u1ed9 thi\u00ean l\u1ec7ch v\u00e0 ph\u01b0\u01a1ng sai l\u00e0 nh\u1eefng khung h\u1eefu \u00edch \u0111\u1ec3 hi\u1ec3u v\u1ec1 hi\u1ec7u su\u1ea5t c\u1ee7a c\u00e1c thu\u1eadt to\u00e1n h\u1ecdc m\u00e1y khi \u0111\u01b0a ra d\u1ef1 \u0111o\u00e1n.<\/p>\n<p>Hi\u1ec3u r\u00f5 Bias-Variance Tradeoff l\u00e0 g\u00ec l\u00e0 y\u1ebfu t\u1ed1 kh\u00f4ng th\u1ec3 thi\u1ebfu \u0111\u1ec3 <strong>t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t c\u1ee7a m\u00f4 h\u00ecnh h\u1ecdc m\u00e1y<\/strong>. Vi\u1ec7c qu\u1ea3n l\u00fd \u0111\u00fang m\u1ee9c \u0111\u1ed9 bias v\u00e0 variance gi\u00fap m\u00f4 h\u00ecnh v\u1eeba kh\u00f4ng qu\u00e1 \u0111\u01a1n gi\u1ea3n (underfitting) c\u0169ng kh\u00f4ng qu\u00e1 ph\u1ee9c t\u1ea1p (overfitting), t\u1eeb \u0111\u00f3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 ch\u00ednh x\u00e1c cao tr\u00ean c\u1ea3 t\u1eadp hu\u1ea5n luy\u1ec7n v\u00e0 t\u1eadp ki\u1ec3m tra.<\/p>\n<p>C\u00e1c c\u00f4ng ngh\u1ec7 nh\u01b0 regularization, cross-validation v\u00e0 ensemble methods \u0111\u1ec1u \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c ki\u1ec3m so\u00e1t bias v\u00e0 variance. N\u1ebfu \u00e1p d\u1ee5ng \u0111\u00fang c\u00e1c k\u1ef9 thu\u1eadt n\u00e0y, b\u1ea1n s\u1ebd c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t m\u00f4 h\u00ecnh m\u1ed9t c\u00e1ch \u0111\u00e1ng k\u1ec3 v\u00e0 \u0111\u01b0a ra nh\u1eefng d\u1ef1 \u0111o\u00e1n ch\u00ednh x\u00e1c h\u01a1n trong c\u00e1c b\u00e0i to\u00e1n h\u1ecdc m\u00e1y th\u1ef1c t\u1ebf.<\/p>\n<p>N\u1ebfu b\u1ea1n \u0111ang t\u00ecm ki\u1ebfm m\u1ed9t gi\u1ea3i ph\u00e1p hosting linh ho\u1ea1t v\u1edbi chi ph\u00ed h\u1ee3p l\u00fd, vi\u1ec7c <a href=\"https:\/\/interdata.vn\/thue-vps\/\">thu\u00ea VPS ch\u1ea5t l\u01b0\u1ee3ng gi\u00e1 r\u1ebb<\/a> t\u1ea1i InterData ch\u00ednh l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1i \u01b0u. V\u1edbi ph\u1ea7n c\u1ee9ng th\u1ebf h\u1ec7 m\u1edbi nh\u01b0 CPU AMD EPYC v\u00e0 Intel Xeon Platinum, k\u1ebft h\u1ee3p SSD NVMe U.2, dung l\u01b0\u1ee3ng t\u1ed1i \u01b0u v\u00e0 b\u0103ng th\u00f4ng cao, d\u1ecbch v\u1ee5 VPS c\u1ee7a ch\u00fang t\u00f4i s\u1ebd mang l\u1ea1i hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh v\u00e0 t\u1ed1c \u0111\u1ed9 m\u1ea1nh m\u1ebd cho m\u1ecdi d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n.<\/p>\n<p>V\u1edbi nhu c\u1ea7u v\u1ec1 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng linh ho\u1ea1t v\u00e0 b\u0103ng th\u00f4ng cao, <a href=\"https:\/\/interdata.vn\/cloud-server\/\">thu\u00ea Cloud Server gi\u00e1 r\u1ebb t\u1ed1c \u0111\u1ed9 cao<\/a> t\u1ea1i InterData s\u1ebd \u0111\u00e1p \u1ee9ng t\u1ed1t y\u00eau c\u1ea7u c\u1ee7a b\u1ea1n. C\u00e1c c\u1ea5u h\u00ecnh m\u1ea1nh m\u1ebd t\u1eeb ph\u1ea7n c\u1ee9ng cao c\u1ea5p, nh\u01b0 CPU AMD EPYC, Intel Xeon Platinum, c\u00f9ng SSD NVMe U.2, gi\u00fap h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n ho\u1ea1t \u0111\u1ed9ng m\u01b0\u1ee3t m\u00e0, \u1ed5n \u0111\u1ecbnh v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed. Li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i \u0111\u1ec3 bi\u1ebft th\u00eam chi ti\u1ebft v\u1ec1 d\u1ecbch v\u1ee5 n\u00e0y!<\/p>\n<p><strong>INTERDATA<\/strong><\/p>\n<ul>\n<li><strong>Website:<\/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 (Machine Learning), vi\u1ec7c hi\u1ec3u v\u00e0 \u00e1p d\u1ee5ng \u0111\u00fang th\u1ecfa hi\u1ec7p gi\u1eefa bias v\u00e0 variance (Bias-Variance Tradeoff) l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t m\u00f4 h\u00ecnh. Bias v\u00e0 variance \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 kh\u1ea3 n\u0103ng t\u1ed5ng qu\u00e1t c\u1ee7a m\u00f4 h\u00ecnh. B\u00e0i vi\u1ebft n\u00e0y<\/p>\n","protected":false},"author":11,"featured_media":27267,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[108],"tags":[],"class_list":["post-27249","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\/27249","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=27249"}],"version-history":[{"count":3,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/27249\/revisions"}],"predecessor-version":[{"id":27486,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/27249\/revisions\/27486"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media\/27267"}],"wp:attachment":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media?parent=27249"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/categories?post=27249"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/tags?post=27249"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}