{"id":26284,"date":"2025-03-29T09:06:17","date_gmt":"2025-03-29T02:06:17","guid":{"rendered":"https:\/\/interdata.vn\/blog\/?p=26284"},"modified":"2025-03-29T09:06:17","modified_gmt":"2025-03-29T02:06:17","slug":"lightgbm-la-gi","status":"publish","type":"post","link":"https:\/\/interdata.vn\/blog\/lightgbm-la-gi\/","title":{"rendered":"LightGBM l\u00e0 g\u00ec? A-Z v\u1ec1 Light Gradient Boosting Machine n\u00ean bi\u1ebft"},"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\/lightgbm-la-gi\/#LightGBM-la-gi\" >LightGBM 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\/lightgbm-la-gi\/#Mot-so-dac-diem-noi-bat-cua-LightGBM\" >M\u1ed9t s\u1ed1 \u0111\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a LightGBM<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/interdata.vn\/blog\/lightgbm-la-gi\/#-Hieu-nang-vuot-troi\" >\u00a0Hi\u1ec7u n\u0103ng v\u01b0\u1ee3t tr\u1ed9i<\/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\/lightgbm-la-gi\/#Kha-nang-xu-ly-du-lieu-quy-mo-lon\" >Kh\u1ea3 n\u0103ng x\u1eed l\u00fd d\u1eef li\u1ec7u quy m\u00f4 l\u1edbn<\/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\/lightgbm-la-gi\/#-Da-nang-trong-ung-dung-phan-loai-va-hoi-quy\" >\u00a0\u0110a n\u0103ng trong \u1ee9ng d\u1ee5ng ph\u00e2n lo\u1ea1i v\u00e0 h\u1ed3i quy<\/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\/lightgbm-la-gi\/#Ho-tro-xu-ly-song-song-va-phan-tan\" >H\u1ed7 tr\u1ee3 x\u1eed l\u00fd song song v\u00e0 ph\u00e2n t\u00e1n<\/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\/lightgbm-la-gi\/#-Do-linh-hoat-cao-trong-cau-hinh-tham-so\" >\u00a0\u0110\u1ed9 linh ho\u1ea1t cao trong c\u1ea5u h\u00ecnh tham s\u1ed1<\/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\/lightgbm-la-gi\/#Cac-tham-so-quan-trong-trong-LightGBM\" >C\u00e1c tham s\u1ed1 quan tr\u1ecdng trong LightGBM<\/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\/lightgbm-la-gi\/#Uu-diem-va-Nhuoc-diem-cua-LightGBM\" >\u01afu \u0111i\u1ec3m v\u00e0 Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a LightGBM<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/interdata.vn\/blog\/lightgbm-la-gi\/#Uu-diem\" >\u01afu \u0111i\u1ec3m<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/interdata.vn\/blog\/lightgbm-la-gi\/#Nhuoc-diem\" >Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/interdata.vn\/blog\/lightgbm-la-gi\/#So-sanh-LightGBM-voi-XGBoost\" >So s\u00e1nh LightGBM v\u1edbi XGBoost<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/interdata.vn\/blog\/lightgbm-la-gi\/#Cac-cau-hoi-thuong-gap\" >C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/interdata.vn\/blog\/lightgbm-la-gi\/#LightGBM-co-phai-la-mot-thuat-toan-boosting-khong\" >LightGBM c\u00f3 ph\u1ea3i l\u00e0 m\u1ed9t thu\u1eadt to\u00e1n boosting kh\u00f4ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/interdata.vn\/blog\/lightgbm-la-gi\/#LightGBM-co-phai-la-mot-cay-quyet-dinh-khong\" >LightGBM c\u00f3 ph\u1ea3i l\u00e0 m\u1ed9t c\u00e2y quy\u1ebft \u0111\u1ecbnh kh\u00f4ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/interdata.vn\/blog\/lightgbm-la-gi\/#LightGBM-duoc-su-dung-de-lam-gi\" >LightGBM \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/interdata.vn\/blog\/lightgbm-la-gi\/#Boosting-la-gi\" >Boosting 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-18\" href=\"https:\/\/interdata.vn\/blog\/lightgbm-la-gi\/#Gradient-Boosting-la-gi\" >Gradient Boosting 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-19\" href=\"https:\/\/interdata.vn\/blog\/lightgbm-la-gi\/#Nguyen-ly-cua-LightGBM-la-gi\" >Nguy\u00ean l\u00fd c\u1ee7a LightGBM l\u00e0 g\u00ec?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<p>LightGBM (Light Gradient Boosting Machine) l\u00e0 m\u1ed9t trong nh\u1eefng th\u01b0 vi\u1ec7n h\u1ecdc m\u00e1y ph\u1ed5 bi\u1ebfn, \u0111\u1eb7c bi\u1ec7t hi\u1ec7u qu\u1ea3 trong c\u00e1c b\u00e0i to\u00e1n x\u1eed l\u00fd d\u1eef li\u1ec7u l\u1edbn v\u00e0 ph\u1ee9c t\u1ea1p. V\u1edbi c\u00e1c t\u00ednh n\u0103ng n\u1ed5i b\u1eadt, LightGBM \u0111\u00e3 v\u00e0 \u0111ang l\u00e0 s\u1ef1 l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u trong c\u1ed9ng \u0111\u1ed3ng h\u1ecdc m\u00e1y. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 v\u1ec1 <strong>LightGBM l\u00e0 g\u00ec<\/strong>, c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u0169ng nh\u01b0 nh\u1eefng \u01b0u \u0111i\u1ec3m v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a LightGBM trong b\u00e0i vi\u1ebft sau.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"LightGBM-la-gi\"><\/span>LightGBM l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><a href=\"https:\/\/interdata.vn\/blog\/lightgbm-la-gi\/\"><strong>Light Gradient Boosting Machine (LightGBM)<\/strong><\/a> &#8211; l\u00e0 m\u1ed9t th\u01b0 vi\u1ec7n h\u1ecdc m\u00e1y n\u1ed5i b\u1eadt v\u1ec1 hi\u1ec7u n\u0103ng. N\u00f3 \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n v\u1edbi m\u1ee5c \u0111\u00edch ch\u00ednh l\u00e0 t\u1ea1o ra c\u00e1c m\u00f4 h\u00ecnh h\u1ecdc m\u00e1y d\u1ef1a tr\u00ean c\u1ea5u tr\u00fac c\u00e2y quy\u1ebft \u0111\u1ecbnh, s\u1eed d\u1ee5ng k\u1ef9 thu\u1eadt boosting ti\u00ean ti\u1ebfn.<\/p>\n<p>So v\u1edbi <a href=\"https:\/\/interdata.vn\/blog\/thuat-toan-algorithm\/\">thu\u1eadt to\u00e1n<\/a> Gradient Boosting nguy\u00ean b\u1ea3n, LightGBM \u0111\u01b0\u1ee3c coi l\u00e0 m\u1ed9t phi\u00ean b\u1ea3n n\u00e2ng c\u1ea5p, \u0111\u1eb7c bi\u1ec7t t\u1eadp trung v\u00e0o vi\u1ec7c \u0111\u1ea9y nhanh t\u1ed1c \u0111\u1ed9 trong qu\u00e1 tr\u00ecnh hu\u1ea5n luy\u1ec7n v\u00e0 gi\u1ea3m thi\u1ec3u l\u01b0\u1ee3ng b\u1ed9 nh\u1edb ti\u00eau th\u1ee5, nh\u1ea5t l\u00e0 khi ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi c\u00e1c t\u1eadp d\u1eef li\u1ec7u c\u00f3 dung l\u01b0\u1ee3ng kh\u1ed5ng l\u1ed3.<\/p>\n<figure id=\"attachment_26287\" aria-describedby=\"caption-attachment-26287\" style=\"width: 920px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/LightGBM-la-gi.webp\" alt=\"LightGBM l\u00e0 g\u00ec\" width=\"920\" height=\"574\" class=\"size-full wp-image-26287\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/LightGBM-la-gi.webp 920w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/LightGBM-la-gi-300x187.webp 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/LightGBM-la-gi-768x479.webp 768w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/LightGBM-la-gi-750x468.webp 750w\" sizes=\"auto, (max-width: 920px) 100vw, 920px\" \/><figcaption id=\"caption-attachment-26287\" class=\"wp-caption-text\">LightGBM l\u00e0 g\u00ec?<\/figcaption><\/figure>\n<p>\u0110i\u1ec3m l\u00e0m n\u00ean s\u1ef1 kh\u00e1c bi\u1ec7t cho LightGBM so v\u1edbi c\u00e1c thu\u1eadt to\u00e1n boosting th\u1ebf h\u1ec7 tr\u01b0\u1edbc ch\u00ednh l\u00e0 vi\u1ec7c n\u00f3 \u1ee9ng d\u1ee5ng hai ph\u01b0\u01a1ng ph\u00e1p ti\u1ebfp c\u1eadn \u0111\u1ed9c \u0111\u00e1o: <strong>Gradient-based One-Side Sampling (GOSS) v\u00e0 Exclusive Feature Bundling (EFB)<\/strong>. C\u00e1c k\u1ef9 thu\u1eadt n\u00e0y \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p nh\u1eb1m m\u1ee5c \u0111\u00edch t\u0103ng c\u01b0\u1eddng t\u1ed1c \u0111\u1ed9 hu\u1ea5n luy\u1ec7n v\u00e0 l\u00e0m gi\u1ea3m b\u1edbt s\u1ef1 ph\u1ee9c t\u1ea1p trong c\u00e1c ph\u00e9p t\u00ednh to\u00e1n c\u1ea7n thi\u1ebft.<\/p>\n<p>LightGBM kh\u00f4ng ch\u1ec9 linh ho\u1ea1t trong vi\u1ec7c <strong>x\u1eed l\u00fd c\u00e1c b\u00e0i to\u00e1n thu\u1ed9c d\u1ea1ng ph\u00e2n lo\u1ea1i<\/strong> (classification) m\u00e0 c\u00f2n c\u1ea3 <strong>c\u00e1c b\u00e0i to\u00e1n h\u1ed3i quy<\/strong> (regression), \u0111\u1ed3ng th\u1eddi n\u00f3 c\u0169ng t\u01b0\u01a1ng th\u00edch v\u1edbi vi\u1ec7c x\u00e2y d\u1ef1ng nhi\u1ec1u d\u1ea1ng m\u00f4 h\u00ecnh h\u1ecdc m\u00e1y kh\u00e1c nhau.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Mot-so-dac-diem-noi-bat-cua-LightGBM\"><\/span>M\u1ed9t s\u1ed1 \u0111\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a LightGBM<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>LightGBM s\u1edf h\u1eefu nhi\u1ec1u \u0111\u1eb7c t\u00ednh \u01b0u vi\u1ec7t, nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0y \u0111\u00e3 g\u00f3p ph\u1ea7n l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t c\u00f4ng c\u1ee5 \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng r\u1ed9ng r\u00e3i trong c\u1ed9ng \u0111\u1ed3ng h\u1ecdc m\u00e1y:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"-Hieu-nang-vuot-troi\"><\/span>\u00a0Hi\u1ec7u n\u0103ng v\u01b0\u1ee3t tr\u1ed9i<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>LightGBM \u0111\u01b0\u1ee3c ki\u1ebfn t\u1ea1o nh\u1eb1m m\u1ee5c ti\u00eau \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t x\u1eed l\u00fd cao, \u0111\u1eb7c bi\u1ec7t khi \u00e1p d\u1ee5ng tr\u00ean c\u00e1c b\u1ed9 d\u1eef li\u1ec7u c\u00f3 k\u00edch th\u01b0\u1edbc l\u1edbn.<\/p>\n<p>B\u1eb1ng c\u00e1ch t\u1eadn d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng th\u1ee9c t\u1ed1i \u01b0u h\u00f3a \u0111\u1ea7y hi\u1ec7u qu\u1ea3 nh\u01b0 GOSS v\u00e0 EFB, th\u01b0 vi\u1ec7n n\u00e0y cho ph\u00e9p hu\u1ea5n luy\u1ec7n c\u00e1c m\u00f4 h\u00ecnh m\u1ed9t c\u00e1ch nhanh ch\u00f3ng m\u00e0 kh\u00f4ng \u0111\u00f2i h\u1ecfi ti\u00eau t\u1ed1n qu\u00e1 nhi\u1ec1u t\u00e0i nguy\u00ean b\u1ed9 nh\u1edb, t\u1eeb \u0111\u00f3 gi\u00fap l\u00e0m gi\u1ea3m chi ph\u00ed t\u00ednh to\u00e1n t\u1ed5ng th\u1ec3.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Kha-nang-xu-ly-du-lieu-quy-mo-lon\"><\/span>Kh\u1ea3 n\u0103ng x\u1eed l\u00fd d\u1eef li\u1ec7u quy m\u00f4 l\u1edbn<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>M\u1ed9t trong nh\u1eefng th\u1ebf m\u1ea1nh \u0111\u00e1ng k\u1ec3 nh\u1ea5t c\u1ee7a LightGBM ch\u00ednh l\u00e0 n\u0103ng l\u1ef1c l\u00e0m vi\u1ec7c hi\u1ec7u qu\u1ea3 v\u1edbi nh\u1eefng b\u1ed9 d\u1eef li\u1ec7u c\u1ef1c k\u1ef3 l\u1edbn. Nh\u1edd \u00e1p d\u1ee5ng m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n chia d\u1eef li\u1ec7u \u0111\u1eb7c th\u00f9, LightGBM v\u1eabn c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng tr\u01a1n tru v\u00e0 hi\u1ec7u qu\u1ea3 ngay c\u1ea3 trong \u0111i\u1ec1u ki\u1ec7n s\u1ed1 l\u01b0\u1ee3ng m\u1eabu d\u1eef li\u1ec7u v\u00e0 s\u1ed1 l\u01b0\u1ee3ng \u0111\u1eb7c tr\u01b0ng \u0111\u1ec1u r\u1ea5t cao.<\/p>\n<figure id=\"attachment_26289\" aria-describedby=\"caption-attachment-26289\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Mot-so-dac-diem-noi-bat-cua-LightGBM.png\" alt=\"M\u1ed9t s\u1ed1 \u0111\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a LightGBM\" width=\"750\" height=\"517\" class=\"size-full wp-image-26289\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Mot-so-dac-diem-noi-bat-cua-LightGBM.png 750w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/Mot-so-dac-diem-noi-bat-cua-LightGBM-300x207.png 300w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-26289\" class=\"wp-caption-text\">M\u1ed9t s\u1ed1 \u0111\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a LightGBM<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"-Da-nang-trong-ung-dung-phan-loai-va-hoi-quy\"><\/span>\u00a0\u0110a n\u0103ng trong \u1ee9ng d\u1ee5ng ph\u00e2n lo\u1ea1i v\u00e0 h\u1ed3i quy<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>LightGBM ch\u1ee9ng t\u1ecf s\u1ef1 linh ho\u1ea1t khi c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c khai th\u00e1c cho c\u1ea3 hai d\u1ea1ng b\u00e0i to\u00e1n ph\u1ed5 bi\u1ebfn l\u00e0 ph\u00e2n lo\u1ea1i v\u00e0 h\u1ed3i quy. C\u00e1c v\u00ed d\u1ee5 \u1ee9ng d\u1ee5ng bao g\u1ed3m ph\u00e2n lo\u1ea1i n\u1ed9i dung v\u0103n b\u1ea3n, th\u1ef1c hi\u1ec7n d\u1ef1 b\u00e1o v\u1ec1 gi\u00e1 tr\u1ecb c\u1ee7a c\u1ed5 phi\u1ebfu, hay \u0111\u01b0a ra d\u1ef1 \u0111o\u00e1n v\u1ec1 k\u1ebft qu\u1ea3 c\u1ee7a c\u00e1c cu\u1ed9c th\u1eed nghi\u1ec7m kh\u00e1c nhau.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Ho-tro-xu-ly-song-song-va-phan-tan\"><\/span>H\u1ed7 tr\u1ee3 x\u1eed l\u00fd song song v\u00e0 ph\u00e2n t\u00e1n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Kh\u1ea3 n\u0103ng h\u1ed7 tr\u1ee3 t\u00ednh to\u00e1n song song tr\u00ean nhi\u1ec1u l\u00f5i <a href=\"https:\/\/interdata.vn\/blog\/cpu-server\/\">CPU<\/a> v\u00e0 t\u00ednh to\u00e1n ph\u00e2n t\u00e1n tr\u00ean nhi\u1ec1u m\u00e1y l\u00e0 m\u1ed9t \u0111\u1eb7c \u0111i\u1ec3m quan tr\u1ecdng c\u1ee7a LightGBM. \u0110i\u1ec1u n\u00e0y mang l\u1ea1i l\u1ee3i \u00edch l\u1edbn trong vi\u1ec7c gia t\u0103ng t\u1ed1c \u0111\u1ed9 hu\u1ea5n luy\u1ec7n m\u00f4 h\u00ecnh, \u0111\u1eb7c bi\u1ec7t khi ph\u1ea3i x\u1eed l\u00fd nh\u1eefng b\u1ed9 d\u1eef li\u1ec7u v\u1eeba l\u1edbn v\u1eeba ph\u1ee9c t\u1ea1p.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"-Do-linh-hoat-cao-trong-cau-hinh-tham-so\"><\/span>\u00a0\u0110\u1ed9 linh ho\u1ea1t cao trong c\u1ea5u h\u00ecnh tham s\u1ed1<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>LightGBM mang \u0111\u1ebfn cho ng\u01b0\u1eddi d\u00f9ng m\u1ed9t lo\u1ea1t c\u00e1c <a href=\"https:\/\/interdata.vn\/blog\/tham-so-parameter-la-gi\/\">tham s\u1ed1<\/a> t\u00f9y ch\u1ec9nh phong ph\u00fa \u0111\u1ec3 c\u00f3 th\u1ec3 tinh ch\u1ec9nh v\u00e0 t\u1ed1i \u01b0u h\u00f3a m\u00f4 h\u00ecnh. Ph\u1ea1m vi \u0111i\u1ec1u ch\u1ec9nh tr\u1ea3i d\u00e0i t\u1eeb vi\u1ec7c x\u00e1c \u0111\u1ecbnh s\u1ed1 l\u01b0\u1ee3ng c\u00e2y quy\u1ebft \u0111\u1ecbnh mong mu\u1ed1n cho \u0111\u1ebfn vi\u1ec7c ki\u1ec3m so\u00e1t t\u1ed1c \u0111\u1ed9 h\u1ecdc (learning rate).<\/p>\n<p>S\u1ef1 linh ho\u1ea1t n\u00e0y cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t m\u00f4 h\u00ecnh t\u1ed1t nh\u1ea5t cho t\u1eebng b\u00e0i to\u00e1n c\u1ee5 th\u1ec3 m\u00e0 h\u1ecd \u0111ang gi\u1ea3i quy\u1ebft.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cac-tham-so-quan-trong-trong-LightGBM\"><\/span>C\u00e1c tham s\u1ed1 quan tr\u1ecdng trong LightGBM<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ec3 hi\u1ec3u h\u01a1n LightGBM l\u00e0 g\u00ec, h\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u c\u00e1c tham s\u1ed1 quan tr\u1ecdng c\u1ee7a n\u00f3. Trong qu\u00e1 tr\u00ecnh l\u00e0m vi\u1ec7c v\u1edbi LightGBM, b\u1ea1n s\u1ebd c\u00f3 c\u01a1 h\u1ed9i tinh ch\u1ec9nh nhi\u1ec1u tham s\u1ed1 kh\u00e1c nhau nh\u1eb1m \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u00f4 h\u00ecnh t\u1ed1i \u01b0u nh\u1ea5t.<\/p>\n<p>Sau \u0111\u00e2y l\u00e0 danh s\u00e1ch m\u1ed9t s\u1ed1 tham s\u1ed1 c\u00f3 vai tr\u00f2 then ch\u1ed1t:<\/p>\n<ul>\n<li><code><strong>objective<\/strong><\/code>: Tham s\u1ed1 n\u00e0y d\u00f9ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh m\u1ee5c ti\u00eau c\u1ee7a b\u00e0i to\u00e1n m\u00e0 b\u1ea1n \u0111ang c\u1ed1 g\u1eafng gi\u1ea3i quy\u1ebft. Nh\u1eefng gi\u00e1 tr\u1ecb th\u01b0\u1eddng g\u1eb7p g\u1ed3m c\u00f3 \u2018binary\u2019 (cho c\u00e1c b\u00e0i to\u00e1n ph\u00e2n lo\u1ea1i ch\u1ec9 c\u00f3 hai l\u1edbp), \u2018multiclass\u2019 (cho b\u00e0i to\u00e1n ph\u00e2n lo\u1ea1i c\u00f3 nhi\u1ec1u h\u01a1n hai l\u1edbp), v\u00e0 \u2018regression\u2019 (cho c\u00e1c b\u00e0i to\u00e1n d\u1ef1 \u0111o\u00e1n gi\u00e1 tr\u1ecb li\u00ean t\u1ee5c).<\/li>\n<li><strong><code>metric<\/code><\/strong>: \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ec9 \u0111\u1ecbnh th\u01b0\u1edbc \u0111o (ch\u1ec9 s\u1ed1) b\u1ea1n mu\u1ed1n d\u00f9ng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a m\u00f4 h\u00ecnh trong qu\u00e1 tr\u00ecnh hu\u1ea5n luy\u1ec7n ho\u1eb7c ki\u1ec3m th\u1eed. V\u00ed d\u1ee5, b\u1ea1n c\u00f3 th\u1ec3 ch\u1ecdn \u2018binary_error\u2019 khi l\u00e0m vi\u1ec7c v\u1edbi b\u00e0i to\u00e1n ph\u00e2n lo\u1ea1i nh\u1ecb ph\u00e2n.<\/li>\n<li><strong><code>num_leaves<\/code><\/strong>: Tham s\u1ed1 n\u00e0y quy \u0111\u1ecbnh s\u1ed1 l\u01b0\u1ee3ng l\u00e1 t\u1ed1i \u0111a cho m\u1ed7i c\u00e2y quy\u1ebft \u0111\u1ecbnh \u0111\u01b0\u1ee3c t\u1ea1o ra. N\u00f3 l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn m\u1ee9c \u0111\u1ed9 ph\u1ee9c t\u1ea1p (complexity) c\u1ee7a m\u00f4 h\u00ecnh \u0111\u01b0\u1ee3c hu\u1ea5n luy\u1ec7n.<\/li>\n<li><strong><code>learning_rate<\/code><\/strong>: C\u00f2n g\u1ecdi l\u00e0 t\u1ed1c \u0111\u1ed9 h\u1ecdc, tham s\u1ed1 n\u00e0y ki\u1ec3m so\u00e1t m\u1ee9c \u0111\u1ed9 \u0111i\u1ec1u ch\u1ec9nh tr\u1ecdng s\u1ed1 c\u1ee7a m\u00f4 h\u00ecnh sau m\u1ed7i <a href=\"https:\/\/interdata.vn\/blog\/vong-lap-la-gi\/\">v\u00f2ng l\u1eb7p<\/a> boosting, qua \u0111\u00f3 t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 h\u1ed9i t\u1ee5 c\u1ee7a m\u00f4 h\u00ecnh (h\u1ecdc nhanh hay ch\u1eadm).<\/li>\n<li><strong><code>feature_fraction<\/code><\/strong>: Tham s\u1ed1 n\u00e0y x\u00e1c \u0111\u1ecbnh t\u1ef7 l\u1ec7 (ph\u1ea7n tr\u0103m) c\u00e1c \u0111\u1eb7c tr\u01b0ng s\u1ebd \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn ng\u1eabu nhi\u00ean \u0111\u1ec3 s\u1eed d\u1ee5ng trong qu\u00e1 tr\u00ecnh x\u00e2y d\u1ef1ng m\u1ed7i c\u00e2y quy\u1ebft \u0111\u1ecbnh ri\u00eang l\u1ebb.<\/li>\n<li><strong><code>bagging_fraction<\/code><\/strong> v\u00e0 <strong><code>bagging_freq<\/code><\/strong>: B\u1ed9 \u0111\u00f4i tham s\u1ed1 n\u00e0y cho ph\u00e9p b\u1ea1n k\u00edch ho\u1ea1t k\u1ef9 thu\u1eadt bagging. <code>bagging_fraction<\/code> quy \u0111\u1ecbnh t\u1ef7 l\u1ec7 m\u1eabu d\u1eef li\u1ec7u hu\u1ea5n luy\u1ec7n \u0111\u01b0\u1ee3c ch\u1ecdn ng\u1eabu nhi\u00ean (c\u00f3 l\u1eb7p l\u1ea1i) cho m\u1ed7i c\u00e2y, v\u00e0 <code>bagging_freq<\/code> x\u00e1c \u0111\u1ecbnh t\u1ea7n su\u1ea5t th\u1ef1c hi\u1ec7n bagging (v\u00ed d\u1ee5: th\u1ef1c hi\u1ec7n bagging sau m\u1ed7i <code>k<\/code> v\u00f2ng l\u1eb7p). M\u1ee5c \u0111\u00edch ch\u00ednh c\u1ee7a bagging l\u00e0 gi\u00fap m\u00f4 h\u00ecnh gi\u1ea3m thi\u1ec3u hi\u1ec7n t\u01b0\u1ee3ng qu\u00e1 kh\u1edbp (overfitting).<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Uu-diem-va-Nhuoc-diem-cua-LightGBM\"><\/span>\u01afu \u0111i\u1ec3m v\u00e0 Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a LightGBM<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Uu-diem\"><\/span>\u01afu \u0111i\u1ec3m<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>Hi\u1ec7u n\u0103ng x\u1eed l\u00fd \u1ea5n t\u01b0\u1ee3ng<\/strong>: LightGBM n\u1ed5i b\u1eadt v\u1edbi kh\u1ea3 n\u0103ng x\u1eed l\u00fd nhanh ch\u00f3ng v\u00e0 hi\u1ec7u qu\u1ea3 c\u00e1c t\u1eadp d\u1eef li\u1ec7u c\u00f3 dung l\u01b0\u1ee3ng l\u1edbn.<\/li>\n<li><strong>T\u1ed1i \u01b0u h\u00f3a vi\u1ec7c s\u1eed d\u1ee5ng b\u1ed9 nh\u1edb<\/strong>: Nh\u1edd \u00e1p d\u1ee5ng c\u00e1c thu\u1eadt to\u00e1n \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a, LightGBM y\u00eau c\u1ea7u \u00edt b\u1ed9 nh\u1edb h\u01a1n so v\u1edbi khi s\u1eed d\u1ee5ng c\u00e1c thu\u1eadt to\u00e1n boosting th\u1ebf h\u1ec7 tr\u01b0\u1edbc.<\/li>\n<li><strong>T\u1eadn d\u1ee5ng x\u1eed l\u00fd song song<\/strong>: LightGBM c\u00f3 th\u1ec3 r\u00fat ng\u1eafn \u0111\u00e1ng k\u1ec3 th\u1eddi gian hu\u1ea5n luy\u1ec7n m\u00f4 h\u00ecnh th\u00f4ng qua vi\u1ec7c khai th\u00e1c hi\u1ec7u qu\u1ea3 kh\u1ea3 n\u0103ng t\u00ednh to\u00e1n song song.<\/li>\n<li><strong>Cung c\u1ea5p nhi\u1ec1u t\u00f9y ch\u1ecdn c\u1ea5u h\u00ecnh<\/strong>: Ng\u01b0\u1eddi d\u00f9ng c\u00f3 \u0111\u01b0\u1ee3c s\u1ef1 linh ho\u1ea1t cao do LightGBM cung c\u1ea5p m\u1ed9t lo\u1ea1t c\u00e1c tham s\u1ed1 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a m\u00f4 h\u00ecnh cho t\u1eebng b\u00e0i to\u00e1n c\u1ee5 th\u1ec3.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Nhuoc-diem\"><\/span>Nh\u01b0\u1ee3c \u0111i\u1ec3m<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>\u0110\u00f2i h\u1ecfi tinh ch\u1ec9nh tham s\u1ed1 k\u1ef9 l\u01b0\u1ee1ng<\/strong>: \u0110\u1ec3 LightGBM ho\u1ea1t \u0111\u1ed9ng v\u1edbi hi\u1ec7u qu\u1ea3 cao nh\u1ea5t, vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh c\u1ea9n th\u1eadn nhi\u1ec1u tham s\u1ed1 c\u1ea5u h\u00ecnh l\u00e0 m\u1ed9t y\u00eau c\u1ea7u c\u1ea7n thi\u1ebft.<\/li>\n<li><strong>T\u00ednh di\u1ec5n gi\u1ea3i kh\u00f4ng cao cho ng\u01b0\u1eddi m\u1edbi<\/strong>: M\u00f4 h\u00ecnh do LightGBM t\u1ea1o ra c\u00f3 th\u1ec3 kh\u00f3 hi\u1ec3u v\u00e0 di\u1ec5n gi\u1ea3i, \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi nh\u1eefng c\u00e1 nh\u00e2n m\u1edbi b\u1eaft \u0111\u1ea7u t\u00ecm hi\u1ec3u v\u1ec1 l\u0129nh v\u1ef1c h\u1ecdc m\u00e1y.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"So-sanh-LightGBM-voi-XGBoost\"><\/span>So s\u00e1nh LightGBM v\u1edbi XGBoost<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>LightGBM v\u00e0 XGBoost l\u00e0 hai trong s\u1ed1 c\u00e1c <a href=\"https:\/\/interdata.vn\/blog\/framework-la-gi\/\">framework<\/a> gradient boosting ph\u1ed5 bi\u1ebfn nh\u1ea5t, m\u1ed7i c\u00e1i c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m ri\u00eang.<\/p>\n<p>LightGBM \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a cho t\u1ed1c \u0111\u1ed9 v\u00e0 hi\u1ec7u qu\u1ea3, th\u01b0\u1eddng v\u01b0\u1ee3t tr\u1ed9i h\u01a1n XGBoost v\u1ec1 th\u1eddi gian hu\u1ea5n luy\u1ec7n v\u00e0 s\u1eed d\u1ee5ng b\u1ed9 nh\u1edb nh\u1edd v\u00e0o ph\u01b0\u01a1ng ph\u00e1p histogram s\u00e1ng t\u1ea1o v\u00e0 chi\u1ebfn l\u01b0\u1ee3c ph\u00e1t tri\u1ec3n c\u00e2y theo chi\u1ec1u l\u00e1. M\u1eb7t kh\u00e1c, XGBoost mang l\u1ea1i s\u1ef1 \u1ed5n \u0111\u1ecbnh v\u00e0 t\u00ednh b\u1ec1n v\u1eefng, n\u1ed5i b\u1eadt trong c\u00e1c t\u00ecnh hu\u1ed1ng v\u1edbi b\u1ed9 d\u1eef li\u1ec7u nh\u1ecf h\u01a1n ho\u1eb7c khi c\u1ea7n ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c c\u00e1c tham s\u1ed1 c\u1ee7a m\u00f4 h\u00ecnh.<\/p>\n<figure id=\"attachment_26288\" aria-describedby=\"caption-attachment-26288\" style=\"width: 756px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/So-sanh-LightGBM-voi-XGBoost.png\" alt=\"So s\u00e1nh LightGBM v\u1edbi XGBoost\" width=\"756\" height=\"287\" class=\"size-full wp-image-26288\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/So-sanh-LightGBM-voi-XGBoost.png 756w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/So-sanh-LightGBM-voi-XGBoost-300x114.png 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/03\/So-sanh-LightGBM-voi-XGBoost-750x285.png 750w\" sizes=\"auto, (max-width: 756px) 100vw, 756px\" \/><figcaption id=\"caption-attachment-26288\" class=\"wp-caption-text\">So s\u00e1nh LightGBM v\u1edbi XGBoost<\/figcaption><\/figure>\n<p>M\u1eb7c d\u00f9 LightGBM th\u01b0\u1eddng nhanh h\u01a1n v\u00e0 x\u1eed l\u00fd t\u1ed1t c\u00e1c b\u1ed9 d\u1eef li\u1ec7u l\u1edbn h\u01a1n, XGBoost c\u00f3 th\u1ec3 cung c\u1ea5p k\u1ebft qu\u1ea3 \u1ed5n \u0111\u1ecbnh h\u01a1n qua nhi\u1ec1u b\u00e0i to\u00e1n kh\u00e1c nhau. L\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t ph\u1ee5 thu\u1ed9c v\u00e0o k\u00edch th\u01b0\u1edbc b\u1ed9 d\u1eef li\u1ec7u, t\u00e0i nguy\u00ean t\u00ednh to\u00e1n v\u00e0 c\u00e1c y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a nhi\u1ec7m v\u1ee5 b\u1ea1n.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cac-cau-hoi-thuong-gap\"><\/span>C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"LightGBM-co-phai-la-mot-thuat-toan-boosting-khong\"><\/span>LightGBM c\u00f3 ph\u1ea3i l\u00e0 m\u1ed9t thu\u1eadt to\u00e1n boosting kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>C\u00f3, LightGBM l\u00e0 m\u1ed9t <strong>thu\u1eadt to\u00e1n boosting<\/strong> \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t cho gradient boosting. N\u00f3 s\u1eed d\u1ee5ng c\u00e2y quy\u1ebft \u0111\u1ecbnh gradient boosting (GBDT) v\u00e0 h\u1ed7 tr\u1ee3 c\u00e1c bi\u1ebfn th\u1ec3 n\u00e2ng cao nh\u01b0 DART v\u00e0 GOSS.<\/p>\n<p>Boosting ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch x\u00e2y d\u1ef1ng c\u00e1c m\u00f4 h\u00ecnh theo th\u1ee9 t\u1ef1, trong \u0111\u00f3 m\u1ed7i m\u00f4 h\u00ecnh m\u1edbi s\u1ebd s\u1eeda c\u00e1c l\u1ed7i c\u1ee7a m\u00f4 h\u00ecnh tr\u01b0\u1edbc \u0111\u00f3 \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t t\u1ed5ng th\u1ec3.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"LightGBM-co-phai-la-mot-cay-quyet-dinh-khong\"><\/span>LightGBM c\u00f3 ph\u1ea3i l\u00e0 m\u1ed9t c\u00e2y quy\u1ebft \u0111\u1ecbnh kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Kh\u00f4ng. LightGBM s\u1eed d\u1ee5ng c\u00e2y quy\u1ebft \u0111\u1ecbnh l\u00e0m c\u00e1c h\u1ecdc vi\u00ean c\u01a1 b\u1ea3n trong m\u1ed9t framework boosting. M\u1ed7i c\u00e2y \u0111\u01b0\u1ee3c hu\u1ea5n luy\u1ec7n \u0111\u1ec3 gi\u1ea3m thi\u1ec3u l\u1ed7i d\u01b0 th\u1eeba c\u1ee7a c\u00e1c c\u00e2y tr\u01b0\u1edbc \u0111\u00f3, k\u1ebft h\u1ee3p k\u1ebft qu\u1ea3 c\u1ee7a ch\u00fang \u0111\u1ec3 \u0111\u01b0a ra d\u1ef1 \u0111o\u00e1n ch\u00ednh x\u00e1c h\u01a1n. M\u1eb7c d\u00f9 LightGBM d\u1ef1a v\u00e0o c\u00e2y quy\u1ebft \u0111\u1ecbnh, nh\u01b0ng n\u00f3 kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t c\u00e2y quy\u1ebft \u0111\u1ecbnh \u0111\u01a1n l\u1ebb\u200a- \u200am\u00e0 l\u00e0 m\u1ed9t framework boosting ho\u00e0n ch\u1ec9nh.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"LightGBM-duoc-su-dung-de-lam-gi\"><\/span>LightGBM \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>LightGBM \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c <strong>nhi\u1ec7m v\u1ee5 h\u1ecdc c\u00f3 gi\u00e1m s\u00e1t<\/strong>, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c b\u00e0i to\u00e1n ph\u00e2n lo\u1ea1i v\u00e0 h\u1ed3i quy. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c l\u0129nh v\u1ef1c nh\u01b0 t\u00e0i ch\u00ednh, ch\u0103m s\u00f3c s\u1ee9c kh\u1ecfe, ti\u1ebfp th\u1ecb v\u00e0 h\u1ec7 th\u1ed1ng g\u1ee3i \u00fd \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c m\u00f4 h\u00ecnh d\u1ef1 \u0111o\u00e1n d\u1ef1a tr\u00ean d\u1eef li\u1ec7u c\u00f3 c\u1ea5u tr\u00fac.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Boosting-la-gi\"><\/span>Boosting l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Boosting l\u00e0 m\u1ed9t <strong>k\u1ef9 thu\u1eadt h\u1ecdc t\u1eadp nh\u00f3m k\u1ebft h\u1ee3p nhi\u1ec1u h\u1ecdc vi\u00ean y\u1ebfu<\/strong> (th\u01b0\u1eddng l\u00e0 c\u00e2y quy\u1ebft \u0111\u1ecbnh) \u0111\u1ec3 t\u1ea1o ra m\u1ed9t h\u1ecdc vi\u00ean m\u1ea1nh m\u1ebd. N\u00f3 hu\u1ea5n luy\u1ec7n c\u00e1c m\u00f4 h\u00ecnh m\u1edbi theo t\u1eebng b\u01b0\u1edbc, t\u1eadp trung v\u00e0o c\u00e1c tr\u01b0\u1eddng h\u1ee3p m\u00e0 c\u00e1c m\u00f4 h\u00ecnh tr\u01b0\u1edbc \u0111\u00f3 g\u1eb7p kh\u00f3 kh\u0103n, nh\u1eb1m c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t c\u1ee7a m\u00f4 h\u00ecnh t\u1ed5ng th\u1ec3.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Gradient-Boosting-la-gi\"><\/span>Gradient Boosting l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Gradient Boosting l\u00e0 m\u1ed9t lo\u1ea1i thu\u1eadt to\u00e1n boosting \u0111\u1eb7c bi\u1ec7t, trong \u0111\u00f3 c\u00e1c m\u00f4 h\u00ecnh m\u1edbi \u0111\u01b0\u1ee3c hu\u1ea5n luy\u1ec7n \u0111\u1ec3 s\u1eeda c\u00e1c l\u1ed7i c\u1ee7a c\u00e1c m\u00f4 h\u00ecnh tr\u01b0\u1edbc \u0111\u00f3. N\u00f3 gi\u1ea3m thi\u1ec3u m\u1ed9t h\u00e0m m\u1ea5t m\u00e1t \u0111\u00e3 ch\u1ec9 \u0111\u1ecbnh b\u1eb1ng c\u00e1ch hu\u1ea5n luy\u1ec7n c\u00e1c m\u00f4 h\u00ecnh m\u1edbi cho c\u00e1c d\u01b0 th\u1eeba c\u1ee7a c\u00e1c m\u00f4 h\u00ecnh tr\u01b0\u1edbc \u0111\u00f3.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Nguyen-ly-cua-LightGBM-la-gi\"><\/span>Nguy\u00ean l\u00fd c\u1ee7a LightGBM l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Nguy\u00ean l\u00fd c\u1ee7a LightGBM <strong>xoay quanh t\u00ednh hi\u1ec7u qu\u1ea3, kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c<\/strong>. N\u00f3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y nh\u1edd v\u00e0o vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c k\u1ef9 thu\u1eadt s\u00e1ng t\u1ea1o nh\u01b0 ph\u00e1t tri\u1ec3n c\u00e2y theo chi\u1ec1u l\u00e1, thu\u1eadt to\u00e1n d\u1ef1a tr\u00ean histogram v\u00e0 x\u1eed l\u00fd d\u1eef li\u1ec7u hi\u1ec7u qu\u1ea3 \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c s\u1eed d\u1ee5ng b\u1ed9 nh\u1edb v\u00e0 th\u1eddi gian hu\u1ea5n luy\u1ec7n.<\/p>\n<p>LightGBM \u01b0u ti\u00ean t\u1ed1c \u0111\u1ed9 v\u00e0 hi\u1ec7u su\u1ea5t, l\u00e0m cho n\u00f3 ph\u00f9 h\u1ee3p v\u1edbi vi\u1ec7c x\u1eed l\u00fd c\u00e1c b\u1ed9 d\u1eef li\u1ec7u quy m\u00f4 l\u1edbn v\u00e0 c\u00e1c m\u00f4 h\u00ecnh ph\u1ee9c t\u1ea1p.<\/p>\n<p>LightGBM l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd trong h\u1ecdc m\u00e1y, ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c b\u00e0i to\u00e1n ph\u00e2n lo\u1ea1i v\u00e0 h\u1ed3i quy, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi l\u00e0m vi\u1ec7c v\u1edbi d\u1eef li\u1ec7u l\u1edbn v\u00e0 y\u00eau c\u1ea7u t\u1ed1c \u0111\u1ed9 hu\u1ea5n luy\u1ec7n nhanh. M\u1eb7c d\u00f9 c\u00f3 nh\u1eefng th\u00e1ch th\u1ee9c v\u1ec1 vi\u1ec7c tinh ch\u1ec9nh tham s\u1ed1, nh\u01b0ng nh\u1eefng \u01b0u \u0111i\u1ec3m v\u01b0\u1ee3t tr\u1ed9i m\u00e0 LightGBM mang l\u1ea1i khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t s\u1ef1 l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn trong c\u00e1c d\u1ef1 \u00e1n h\u1ecdc m\u00e1y hi\u1ec7n \u0111\u1ea1i.<\/p>\n<p>\u0110\u1ec3 t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh x\u1eed l\u00fd d\u1eef li\u1ec7u v\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t t\u1ed1t nh\u1ea5t, \u0111\u1eebng qu\u00ean l\u1ef1a ch\u1ecdn nh\u1eefng gi\u1ea3i ph\u00e1p h\u1ea1 t\u1ea7ng m\u1ea1nh m\u1ebd nh\u01b0 <a href=\"https:\/\/interdata.vn\/thue-vps\/\">thu\u00ea VPS ch\u1ea5t l\u01b0\u1ee3ng gi\u00e1 r\u1ebb<\/a> hay <a href=\"https:\/\/interdata.vn\/cloud-server\/\">thu\u00ea Cloud Server gi\u00e1 r\u1ebb t\u1ed1c \u0111\u1ed9 cao<\/a> t\u1eeb <a href=\"https:\/\/interdata.vn\/\">InterData<\/a>. Vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c ph\u1ea7n c\u1ee9ng th\u1ebf h\u1ec7 m\u1edbi v\u1edbi <a href=\"https:\/\/interdata.vn\/blog\/cpu-amd-epyc\/\">CPU AMD EPYC<\/a>, Intel Xeon Platinum, SSD NVMe U.2 v\u00e0 c\u1ea5u h\u00ecnh t\u1ed1i \u01b0u s\u1ebd gi\u00fap b\u1ea1n c\u00f3 \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t t\u00ednh to\u00e1n v\u01b0\u1ee3t tr\u1ed9i v\u00e0 \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng lu\u00f4n \u1ed5n \u0111\u1ecbnh, ph\u1ee5c v\u1ee5 t\u1ed1t cho c\u00e1c m\u00f4 h\u00ecnh h\u1ecdc m\u00e1y ph\u1ee9c t\u1ea1p nh\u01b0 LightGBM.<\/p>\n<p>H\u00e3y li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 v\u00e0 t\u00ecm ra gi\u1ea3i ph\u00e1p ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee7a b\u1ea1n.<\/p>\n<p><strong>INTERDATA<\/strong><\/p>\n<ul>\n<li><strong>Website:<\/strong>\u00a0Interdata.vn<\/li>\n<li><strong>Hotline:<\/strong>\u00a01900-636822<\/li>\n<li><strong>Email:<\/strong>\u00a0Info@interdata.vn<\/li>\n<li><strong>VP\u0110D:<\/strong>\u00a0240 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>\u00a0S\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>LightGBM (Light Gradient Boosting Machine) l\u00e0 m\u1ed9t trong nh\u1eefng th\u01b0 vi\u1ec7n h\u1ecdc m\u00e1y ph\u1ed5 bi\u1ebfn, \u0111\u1eb7c bi\u1ec7t hi\u1ec7u qu\u1ea3 trong c\u00e1c b\u00e0i to\u00e1n x\u1eed l\u00fd d\u1eef li\u1ec7u l\u1edbn v\u00e0 ph\u1ee9c t\u1ea1p. V\u1edbi c\u00e1c t\u00ednh n\u0103ng n\u1ed5i b\u1eadt, LightGBM \u0111\u00e3 v\u00e0 \u0111ang l\u00e0 s\u1ef1 l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u trong c\u1ed9ng \u0111\u1ed3ng h\u1ecdc m\u00e1y. B\u00e0i vi\u1ebft n\u00e0y<\/p>\n","protected":false},"author":11,"featured_media":26290,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[108],"tags":[129],"class_list":["post-26284","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ai","tag-lightgbm"],"_links":{"self":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/26284","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=26284"}],"version-history":[{"count":2,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/26284\/revisions"}],"predecessor-version":[{"id":26291,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/26284\/revisions\/26291"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media\/26290"}],"wp:attachment":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media?parent=26284"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/categories?post=26284"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/tags?post=26284"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}