{"id":9445,"date":"2023-05-19T11:33:14","date_gmt":"2023-05-19T04:33:14","guid":{"rendered":"https:\/\/bap-software.net\/?post_type=products&#038;p=9445"},"modified":"2024-03-27T09:35:01","modified_gmt":"2024-03-27T02:35:01","slug":"learning-ranking-for-horse-racing-prediction","status":"publish","type":"products","link":"https:\/\/bap-software.net\/vi\/case-study\/learning-ranking-for-horse-racing-prediction\/","title":{"rendered":"X\u1ebfp h\u1ea1ng h\u1ecdc t\u1eadp cho d\u1ef1 \u0111o\u00e1n \u0111ua ng\u1ef1a"},"content":{"rendered":"<p><\/p>\n<h2><strong>V\u1ea5n \u0111\u1ec1 th\u1ee9 nh\u1ea5t: B\u1ea3ng d\u1eef li\u1ec7u v\u00e0 x\u1eed l\u00fd<\/strong><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-9447\" src=\"https:\/\/cdn.bap-software.net\/2023\/05\/Case6-Problem1.png\" alt=\"1st Problem: Data Table and Processing\" width=\"800\" height=\"480\" \/><\/p>\n<p>Vi\u1ec7c x\u1eed l\u00fd tr\u01b0\u1edbc b\u1ea3ng d\u1eef li\u1ec7u bao g\u1ed3m:<\/p>\n<ul>\n<li>D\u1eef li\u1ec7u b\u1ecb m\u1ea5t<br \/>\nD\u1eef li\u1ec7u ph\u00e2n lo\u1ea1i<br \/>\nD\u1eef li\u1ec7u s\u1ed1<\/li>\n<\/ul>\n<p>=&gt; Ch\u00fang ta c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft th\u1ebf n\u00e0o khi d\u1eef li\u1ec7u b\u1ecb thi\u1ebfu?<\/p>\n<h2><strong>Gi\u1ea3i ph\u00e1p cho v\u1ea5n \u0111\u1ec1 th\u1ee9 1:<\/strong><\/h2>\n<p>C\u00f3 m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn c\u00e1c ph\u01b0\u01a1ng ph\u00e1p m\u00e3 h\u00f3a. Tuy nhi\u00ean, \u0111i\u1ec1u g\u00ec ph\u00f9 h\u1ee3p nh\u1ea5t v\u1edbi m\u00f4 h\u00ecnh c\u1ee7a b\u1ea1n?<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-9448 alignright\" src=\"https:\/\/cdn.bap-software.net\/2023\/05\/Case6-Solution-1.png\" alt=\"Solution for 1st Problem\" width=\"344\" height=\"257\" \/><\/p>\n<ul>\n<li style=\"text-align: left;\">Ordinal<\/li>\n<li style=\"text-align: left;\">One-Hot<\/li>\n<li style=\"text-align: left;\">Binary<\/li>\n<li style=\"text-align: left;\">Frequency<\/li>\n<li style=\"text-align: left;\">Hashing<\/li>\n<li style=\"text-align: left;\">Helmert<\/li>\n<li style=\"text-align: left;\">Backward Difference<\/li>\n<li style=\"text-align: left;\">Target<\/li>\n<li style=\"text-align: left;\">Leave One Out<\/li>\n<li style=\"text-align: left;\">Weight Of Evidence<\/li>\n<li style=\"text-align: left;\">James-Stein<\/li>\n<li style=\"text-align: left;\">M-estimator<\/li>\n<\/ul>\n<p>Tuy nhi\u00ean, b\u1ea1n n\u00ean th\u1eed t\u1ea5t c\u1ea3 c\u00e1c k\u1ef9 thu\u1eadt \u00e1p d\u1ee5ng cho t\u00ednh n\u0103ng n\u00e0y v\u00e0 quy\u1ebft \u0111\u1ecbnh xem k\u1ef9 thu\u1eadt n\u00e0o ph\u00f9 h\u1ee3p nh\u1ea5t v\u1edbi m\u00f4 h\u00ecnh c\u1ee7a b\u1ea1n.<\/p>\n<h2><strong>V\u1ea5n \u0111\u1ec1 th\u1ee9 2: X\u1ebfp h\u1ea1ng trong thi \u0111\u1ea5u<\/strong><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"805\" height=\"197\" class=\"size-full wp-image-9446 aligncenter\" src=\"https:\/\/cdn.bap-software.net\/2023\/05\/Case6-Problem-2.png\" alt=\"2nd Problem: Ranking in Competition\" \/><\/p>\n<p>\u0110\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 cu\u1ed9c thi v\u00e0 qu\u1ea3ng c\u00e1o, k\u1ebft qu\u1ea3 x\u1ebfp h\u1ea1ng l\u00e0 ph\u1ea7n trung t\u00e2m c\u1ee7a nhi\u1ec1u v\u1ea5n \u0111\u1ec1 truy xu\u1ea5t th\u00f4ng tin, ch\u1eb3ng h\u1ea1n nh\u01b0 truy xu\u1ea5t t\u00e0i li\u1ec7u, l\u1ecdc c\u1ed9ng t\u00e1c, qu\u1ea3ng c\u00e1o tr\u1ef1c tuy\u1ebfn v\u00e0 c\u1ea1nh tranh \u0111ua xe. Ch\u00fang ta c\u00f3 th\u1ec3 xem x\u00e9t th\u1eed nghi\u1ec7m tr\u00ean h\u00ecnh nh\u01b0 b\u00e0i to\u00e1n x\u1ebfp h\u1ea1ng cho m\u00f4n \u0110ua ng\u1ef1a.<\/p>\n<h2><strong>Gi\u1ea3i ph\u00e1p cho v\u1ea5n \u0111\u1ec1 th\u1ee9 2<\/strong><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"771\" height=\"438\" class=\"size-full wp-image-9449 aligncenter\" src=\"https:\/\/cdn.bap-software.net\/2023\/05\/Case6-Solution-2.png\" alt=\"Solution for 2nd Problem\" \/><\/p>\n<p>\u0110\u1ed1i v\u1edbi b\u00e0i to\u00e1n n\u00e0y, ch\u00fang t\u00f4i s\u1eed d\u1ee5ng c\u00e1c thu\u1eadt to\u00e1n k\u1ef9 thu\u1eadt c\u00f3 t\u00ean<\/p>\n<ul>\n<li>X\u1ebfp h\u1ea1ng XGboost<\/li>\n<li>X\u1ebfp h\u1ea1ng LightGB<\/li>\n<li>X\u1ebfp h\u1ea1ng CatBoost<\/li>\n<\/ul>\n<p>\u0111\u1ec3 gi\u1ea3i quy\u1ebft.<\/p>","protected":false},"featured_media":13495,"template":"","product":[65],"cs_tag":[10189,10190],"class_list":["post-9445","products","type-products","status-publish","has-post-thumbnail","hentry","product-ai","cs_tag-ai","cs_tag-ai-technology"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.1 (Yoast SEO v27.3) - 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