{"id":470,"date":"2018-11-29T06:16:07","date_gmt":"2018-11-29T06:16:07","guid":{"rendered":"https:\/\/www.thegioimaychu.vn\/blog\/?p=470"},"modified":"2018-11-29T06:52:56","modified_gmt":"2018-11-29T06:52:56","slug":"hoc-may-co-giam-sat-va-hoc-may-khong-giam-sat","status":"publish","type":"post","link":"https:\/\/thegioimaychu.vn\/blog\/ai-hpc\/hoc-may-co-giam-sat-va-hoc-may-khong-giam-sat-p470\/","title":{"rendered":"H\u1ecdc m\u00e1y c\u00f3 gi\u00e1m s\u00e1t v\u00e0 H\u1ecdc m\u00e1y kh\u00f4ng gi\u00e1m s\u00e1t"},"content":{"rendered":"<style>.iblink{color:#975!important;}.iblink:hover{color:orange!important;}<\/style><p>H\u1ecdc m\u00e1y \u0111\u01b0\u1ee3c gi\u00e1m s\u00e1t (supervised machine learning) l\u00e0 g\u00ec v\u00e0 n\u00f3 li\u00ean quan nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ebfn h\u1ecdc kh\u00f4ng gi\u00e1m s\u00e1t (unsupervised)?<\/p>\n<p>Trong b\u00e0i \u0111\u0103ng n\u00e0y, b\u1ea1n s\u1ebd t\u00ecm hi\u1ec3u c\u00e1c kh\u00e1i ni\u1ec7m &#8220;h\u1ecdc c\u00f3 gi\u00e1m s\u00e1t&#8221;, &#8220;h\u1ecdc kh\u00f4ng gi\u00e1m s\u00e1t&#8221; v\u00e0 &#8220;h\u1ecdc m\u00e1y c\u00f3 gi\u00e1m s\u00e1t m\u1ed9t ph\u1ea7n&#8221;. Sau khi \u0111\u1ecdc b\u00e0i n\u00e0y, b\u1ea1n s\u1ebd bi\u1ebft:<\/p>\n<ul>\n<li>C\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 ph\u00e2n lo\u1ea1i v\u00e0 h\u1ed3i quy trong h\u1ecdc m\u00e1y c\u00f3 gi\u00e1m s\u00e1t.<\/li>\n<li>C\u00e1c v\u1ea5n \u0111\u1ec1 ph\u00e2n nh\u00f3m v\u00e0 li\u00ean k\u1ebft trong ki\u1ec3u h\u1ecdc kh\u00f4ng gi\u00e1m s\u00e1t.<\/li>\n<li>C\u00e1c v\u00ed d\u1ee5 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c h\u1ecdc m\u00e1y gi\u00e1m s\u00e1t v\u00e0 kh\u00f4ng gi\u00e1m s\u00e1t.<\/li>\n<li>C\u00e1c v\u1ea5n \u0111\u1ec1 n\u1eb1m gi\u1eefa vi\u1ec7c h\u1ecdc c\u00f3 gi\u00e1m s\u00e1t v\u00e0 kh\u00f4ng gi\u00e1m s\u00e1t, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 h\u1ecdc gi\u00e1m s\u00e1t m\u1ed9t ph\u1ea7n.<\/li>\n<\/ul>\n<h3>H\u1ecdc m\u00e1y \u0111\u01b0\u1ee3c gi\u00e1m s\u00e1t (supervised machine learning)<\/h3>\n<p>Ph\u1ea7n l\u1edbn c\u00e1c \u1ee9ng d\u1ee5ng h\u1ecdc m\u00e1y th\u1ef1c t\u1ebf \u0111\u1ec1u s\u1eed d\u1ee5ng h\u1ecdc t\u1eadp c\u00f3 gi\u00e1m s\u00e1t &#8211; supervised learning.<\/p>\n<p>H\u1ecdc t\u1eadp c\u00f3 gi\u00e1m s\u00e1t l\u00e0 n\u01a1i b\u1ea1n c\u00f3 c\u00e1c bi\u1ebfn \u0111\u1ea7u v\u00e0o (X) v\u00e0 bi\u1ebfn \u0111\u1ea7u ra (Y) v\u00e0 b\u1ea1n s\u1eed d\u1ee5ng thu\u1eadt to\u00e1n \u0111\u1ec3 t\u00ecm hi\u1ec3u h\u00e0m \u00e1nh x\u1ea1 t\u1eeb \u0111\u1ea7u v\u00e0o \u0111\u1ebfn \u0111\u1ea7u ra.<\/p>\n<p>Y = f (X)<\/p>\r\n\t\t\t\t<div class=\"tgmcad hor\" style=\"text-align:center;margin:30px 0; padding: 10px 0; border-radius:5px; border-top:solid 1px #ccc; border-bottom:solid 1px #ccc; \">\r\n\t\t\t\t<a href=\"https:\/\/thegioimaychu.vn\/giai-phap\/deep-learning\/\"><img decoding=\"async\" alt=\"Gi\u1ea3i ph\u00e1p h\u1ea1 t\u1ea7ng Deep Learning, Tr\u00ed tu\u1ec7 Nh\u00e2n t\u1ea1o - AI\" src=\"https:\/\/thegioimaychu.vn\/blog\/wp-content\/uploads\/2019\/11\/tgmc-deep-learning.jpg\" \/><\/a>\r\n\t\t\t\t<\/div>\n<p>M\u1ee5c \u0111\u00edch l\u00e0 \u0111\u1ec3 x\u00e2y d\u1ef1ng h\u00e0m \u00e1nh x\u1ea1 m\u1ed9t c\u00e1ch t\u1ed1t nh\u1ea5t c\u00f3 th\u1ec3 \u0111\u1ec3 khi b\u1ea1n c\u00f3 d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o m\u1edbi (X) v\u00e0 b\u1ea1n c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n c\u00e1c bi\u1ebfn \u0111\u1ea7u ra (Y) cho d\u1eef li\u1ec7u \u0111\u00f3.<\/p>\n<p>N\u00f3 \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 vi\u1ec7c h\u1ecdc c\u00f3 gi\u00e1m s\u00e1t b\u1edfi v\u00ec qu\u00e1 tr\u00ecnh c\u1ee7a thu\u1eadt to\u00e1n h\u1ecdc t\u1eeb t\u1eadp d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c coi l\u00e0 m\u1ed9t &#8220;gi\u00e1o vi\u00ean&#8221; gi\u00e1m s\u00e1t qu\u00e1 tr\u00ecnh h\u1ecdc t\u1eadp. Ch\u00fang ta bi\u1ebft c\u00e2u tr\u1ea3 l\u1eddi \u0111\u00fang, thu\u1eadt to\u00e1n s\u1ebd l\u1eb7p \u0111i l\u1eb7p l\u1ea1i l\u00e0m cho vi\u1ec7c d\u1ef1 \u0111o\u00e1n v\u1ec1 d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o li\u00ean t\u1ee5c \u0111\u01b0\u1ee3c &#8220;gi\u00e1o vi\u00ean&#8221; ho\u00e0n thi\u1ec7n. Vi\u1ec7c h\u1ecdc d\u1eebng l\u1ea1i khi thu\u1eadt to\u00e1n \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee9c hi\u1ec7u su\u1ea5t \u1edf m\u1ee9c ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c.<\/p>\n<p>Vi\u1ec7c h\u1ecdc t\u1eadp c\u00f3 gi\u00e1m s\u00e1t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c nh\u00f3m l\u1ea1i th\u00e0nh c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 ph\u00e2n lo\u1ea1i v\u00e0 h\u1ed3i quy.<\/p>\n<p>Ph\u00e2n lo\u1ea1i (Classification): Vi\u1ec7c ph\u00e2n lo\u1ea1i di\u1ec5n ra khi bi\u1ebfn \u0111\u1ea7u ra l\u00e0 m\u1ed9t th\u1ec3 lo\u1ea1i n\u00e0o \u0111\u00f3, ch\u1eb3ng h\u1ea1n nh\u01b0 &#8220;\u0111\u1ecf&#8221; ho\u1eb7c &#8220;xanh&#8221; ho\u1eb7c &#8220;b\u1ec7nh&#8221; v\u00e0 &#8220;kh\u00f4ng c\u00f3 b\u1ec7nh&#8221;.<\/p>\n<p>H\u1ed3i quy (Regression): Vi\u1ec7c h\u1ed3i quy x\u1ea3y ra l\u00e0 khi bi\u1ebfn \u0111\u1ea7u ra l\u00e0 m\u1ed9t gi\u00e1 tr\u1ecb th\u1ef1c, ch\u1eb3ng h\u1ea1n nh\u01b0 \u201c\u0111\u00f4 la\u201d hay \u201ctr\u1ecdng l\u01b0\u1ee3ng\u201d.<\/p>\n<p>M\u1ed9t s\u1ed1 lo\u1ea1i v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng tr\u00ean vi\u1ec7c ph\u00e2n lo\u1ea1i v\u00e0 h\u1ed3i quy t\u01b0\u01a1ng \u1ee9ng v\u1edbi c\u01a1 ch\u1ebf g\u1ee3i \u00fd v\u00e0 d\u1ef1 \u0111o\u00e1n d\u00e3y th\u1eddi gian.<\/p>\n<p>M\u1ed9t s\u1ed1 v\u00ed d\u1ee5 ph\u1ed5 bi\u1ebfn c\u1ee7a thu\u1eadt to\u00e1n h\u1ecdc m\u00e1y \u0111\u01b0\u1ee3c gi\u00e1m s\u00e1t l\u00e0:<\/p>\n<p>H\u1ed3i quy tuy\u1ebfn t\u00ednh cho c\u00e1c v\u1ea5n \u0111\u1ec1 h\u1ed3i quy.<br \/>\nNguy\u00ean l\u00fd &#8220;Khu r\u1eebng ng\u1eabu nhi\u00ean&#8221; cho vi\u1ec7c ph\u00e2n lo\u1ea1i v\u00e0 h\u1ed3i quy.<br \/>\nH\u1ed7 tr\u1ee3 c\u00e1c h\u1ec7 m\u00e1y vector cho c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 ph\u00e2n lo\u1ea1i.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-472 size-full\" src=\"https:\/\/thegioimaychu.vn\/blog\/wp-content\/uploads\/2018\/11\/sup-vs-unsup2.jpg\" alt=\"\" width=\"1000\" height=\"556\" srcset=\"https:\/\/thegioimaychu.vn\/blog\/wp-content\/uploads\/2018\/11\/sup-vs-unsup2.jpg 1000w, https:\/\/thegioimaychu.vn\/blog\/wp-content\/uploads\/2018\/11\/sup-vs-unsup2-300x167.jpg 300w, https:\/\/thegioimaychu.vn\/blog\/wp-content\/uploads\/2018\/11\/sup-vs-unsup2-768x427.jpg 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<h3>H\u1ecdc m\u00e1y kh\u00f4ng gi\u00e1m s\u00e1t (unsupervised machine learning)<\/h3>\n<p>H\u1ecdc m\u00e1y kh\u00f4ng gi\u00e1m s\u00e1t l\u00e0 n\u01a1i b\u1ea1n ch\u1ec9 c\u00f3 d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o (X) v\u00e0 kh\u00f4ng c\u00f3 bi\u1ebfn \u0111\u1ea7u ra t\u01b0\u01a1ng \u1ee9ng.<\/p>\n<p>M\u1ee5c ti\u00eau c\u1ee7a vi\u1ec7c h\u1ecdc kh\u00f4ng gi\u00e1m s\u00e1t l\u00e0 \u0111\u1ec3 m\u00f4 h\u00ecnh h\u00f3a c\u1ea5u tr\u00fac n\u1ec1n t\u1ea3ng ho\u1eb7c s\u1ef1 ph\u00e2n b\u1ed1 trong d\u1eef li\u1ec7u \u0111\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 n\u00f3.<\/p>\n<p>\u0110\u00e2y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 h\u1ecdc t\u1eadp kh\u00f4ng gi\u00e1m s\u00e1t v\u00ec kh\u00f4ng gi\u1ed1ng nh\u01b0 vi\u1ec7c h\u1ecdc c\u00f3 gi\u00e1m s\u00e1t \u1edf tr\u00ean, kh\u00f4ng c\u00f3 c\u00e2u tr\u1ea3 l\u1eddi \u0111\u00fang v\u00e0 kh\u00f4ng c\u00f3 v\u1ecb &#8220;gi\u00e1o vi\u00ean&#8221; n\u00e0o c\u1ea3. C\u00e1c thu\u1eadt to\u00e1n \u0111\u01b0\u1ee3c t\u1ea1o ra ch\u1ec9 \u0111\u1ec3 kh\u00e1m ph\u00e1 v\u00e0 th\u1ec3 hi\u1ec7n c\u00e1c c\u1ea5u tr\u00fac h\u1eefu \u00edch b\u00ean trong d\u1eef li\u1ec7u.<\/p>\n<p>C\u00e1c v\u1ea5n \u0111\u1ec1 h\u1ecdc t\u1eadp kh\u00f4ng gi\u00e1m s\u00e1t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n ra th\u00e0nh hai vi\u1ec7c chia nh\u00f3m v\u00e0 k\u1ebft h\u1ee3p.<\/p>\n<p>Chia nh\u00f3m: V\u1ea5n \u0111\u1ec1 v\u1ec1 chia nh\u00f3m l\u00e0 n\u01a1i b\u1ea1n mu\u1ed1n kh\u00e1m ph\u00e1 c\u00e1c nh\u00f3m v\u1ed1n c\u00f3 b\u00ean trong d\u1eef li\u1ec7u, ch\u1eb3ng h\u1ea1n nh\u01b0 ph\u00e2n nh\u00f3m kh\u00e1ch h\u00e0ng theo h\u00e0nh vi mua h\u00e0ng.<\/p>\n<p>K\u1ebft h\u1ee3p: V\u1ea5n \u0111\u1ec1 v\u1ec1 h\u1ecdc t\u1eadp quy t\u1eafc k\u1ebft h\u1ee3p l\u00e0 n\u01a1i b\u1ea1n mu\u1ed1n kh\u00e1m ph\u00e1 c\u00e1c quy t\u1eafc m\u00f4 t\u1ea3 d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n, ch\u1eb3ng h\u1ea1n nh\u01b0 nh\u1eefng ng\u01b0\u1eddi mua X c\u0169ng c\u00f3 khuynh h\u01b0\u1edbng mua Y.<\/p>\n<p>M\u1ed9t s\u1ed1 v\u00ed d\u1ee5 ph\u1ed5 bi\u1ebfn c\u1ee7a thu\u1eadt to\u00e1n h\u1ecdc kh\u00f4ng gi\u00e1m s\u00e1t l\u00e0:<\/p>\n<ul>\n<li>X\u00e2y d\u1ef1ng tham s\u1ed1 &#8220;k-mean&#8221; cho v\u1ea5n \u0111\u1ec1 chia nh\u00f3m.<\/li>\n<li>Thu\u1eadt to\u00e1n Apriori cho c\u00e1c v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn vi\u1ec7c h\u1ecdc t\u1eadp quy t\u1eafc.<\/li>\n<\/ul>\n<h3>H\u1ecdc m\u00e1y gi\u00e1m s\u00e1t m\u1ed9t ph\u1ea7n (Semi-supervised machine learning)<\/h3>\n<p>Khi b\u1ea1n x\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh tr\u00ean m\u1ed9t l\u01b0\u1ee3ng l\u1edbn d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o (X) m\u00e0 ch\u1ec9 c\u00f3 m\u1ed9t s\u1ed1 d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c d\u00e1n nh\u00e3n (Y) \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 vi\u1ec7c h\u1ecdc t\u1eadp c\u00f3 gi\u00e1m s\u00e1t m\u1ed9t ph\u1ea7n.<\/p>\n<p>N\u00f3 n\u1eb1m gi\u1eefa vi\u1ec7c h\u1ecdc t\u1eadp \u0111\u01b0\u1ee3c gi\u00e1m s\u00e1t v\u00e0 kh\u00f4ng gi\u00e1m s\u00e1t.<\/p>\n<p>V\u00ed d\u1ee5 \u0111i\u1ec3n h\u00ecnh l\u00e0 m\u1ed9t kho l\u01b0u tr\u1eef h\u00ecnh \u1ea3nh, n\u01a1i ch\u1ec9 m\u1ed9t s\u1ed1 \u1ea3nh \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n, (v\u00ed d\u1ee5: ch\u00f3, m\u00e8o, ng\u01b0\u1eddi) v\u00e0 ph\u1ea7n l\u1edbn c\u00f2n l\u1ea1i th\u00ec kh\u00f4ng \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n.<\/p>\n<p>Nhi\u1ec1u gi\u1ea3i ph\u00e1p h\u1ecdc m\u00e1y trong th\u1ef1c t\u1ebf r\u01a1i v\u00e0o tr\u01b0\u1eddng h\u1ee3p n\u00e0y. \u0110i\u1ec1u n\u00e0y l\u00e0 do vi\u1ec7c g\u1eafn nh\u00e3n d\u1eef li\u1ec7u c\u00f3 th\u1ec3 g\u00e2y t\u1ed1n k\u00e9m ho\u1eb7c t\u1ed1n th\u1eddi gian v\u00e0 c\u00f3 th\u1ec3 \u0111\u00f2i h\u1ecfi ph\u1ea3i ti\u1ebfp c\u1eadn \u0111\u01b0\u1ee3c c\u00e1c chuy\u00ean gia trong l\u0129nh v\u1ef1c. Trong khi \u0111\u00f3, d\u1eef li\u1ec7u kh\u00f4ng c\u00f3 nh\u00e3n r\u1ebb h\u01a1n nhi\u1ec1u v\u00e0 d\u1ec5 thu th\u1eadp, l\u01b0u tr\u1eef.<\/p>\n<p>B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c k\u1ef9 thu\u1eadt h\u1ecdc t\u1eadp kh\u00f4ng gi\u00e1m s\u00e1t \u0111\u1ec3 kh\u00e1m ph\u00e1 v\u00e0 t\u00ecm hi\u1ec3u c\u1ea5u tr\u00fac trong c\u00e1c d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o.<\/p>\n<p>B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng k\u1ef9 thu\u1eadt h\u1ecdc c\u00f3 gi\u00e1m s\u00e1t \u0111\u1ec3 \u0111\u01b0a ra c\u00e1c ph\u1ecfng \u0111o\u00e1n t\u1ed1t nh\u1ea5t cho d\u1eef li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n, cung c\u1ea5p ng\u01b0\u1ee3c d\u1eef li\u1ec7u \u0111\u00f3 v\u00e0o thu\u1eadt to\u00e1n h\u1ecdc c\u00f3 gi\u00e1m s\u00e1t d\u01b0\u1edbi d\u1ea1ng d\u1eef li\u1ec7u \u0111\u00e0o t\u1ea1o v\u00e0 s\u1eed d\u1ee5ng m\u00f4 h\u00ecnh \u0111\u1ec3 \u0111\u01b0a ra d\u1ef1 \u0111o\u00e1n v\u1ec1 c\u00e1c d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o m\u1edbi ho\u00e0n to\u00e0n kh\u00e1c.<\/p>\n<p>T\u00f3m t\u1eaft<\/p>\n<p>Trong b\u00e0i \u0111\u0103ng n\u00e0y, b\u1ea1n \u0111\u00e3 t\u00ecm hi\u1ec3u s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa vi\u1ec7c h\u1ecdc c\u00f3 gi\u00e1m s\u00e1t, kh\u00f4ng gi\u00e1m s\u00e1t v\u00e0 \u0111\u01b0\u1ee3c gi\u00e1m s\u00e1t m\u1ed9t ph\u1ea7n. B\u00e2y gi\u1edd b\u1ea1n \u0111\u00e3 hi\u1ec3u:<\/p>\n<ul>\n<li>C\u00f3 gi\u00e1m s\u00e1t: T\u1ea5t c\u1ea3 d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c d\u00e1n nh\u00e3n v\u00e0 c\u00e1c thu\u1eadt to\u00e1n t\u00ecm hi\u1ec3u \u0111\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u1ea7u ra t\u1eeb d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o.<\/li>\n<li>Kh\u00f4ng \u0111\u01b0\u1ee3c gi\u00e1m s\u00e1t: T\u1ea5t c\u1ea3 d\u1eef li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n v\u00e0 c\u00e1c thu\u1eadt to\u00e1n t\u00ecm hi\u1ec3u c\u1ea5u tr\u00fac v\u1ed1n c\u00f3 t\u1eeb d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o.<\/li>\n<li>Gi\u00e1m s\u00e1t m\u1ed9t ph\u1ea7n: M\u1ed9t s\u1ed1 d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c d\u00e1n nh\u00e3n nh\u01b0ng ph\u1ea7n l\u1edbn d\u1eef li\u1ec7u c\u00f2n l\u1ea1i kh\u00f4ng c\u00f3 nh\u00e3n v\u00e0 m\u1ed9t h\u1ed7n h\u1ee3p c\u00e1c k\u1ef9 thu\u1eadt c\u00f3 gi\u00e1m s\u00e1t v\u00e0 kh\u00f4ng gi\u00e1m s\u00e1t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/li>\n<\/ul>\n<p><em>NTC Team<\/em> l\u01b0\u1ee3c d\u1ecbch.<\/p>\n<div>____<br \/><b>B\u00e0i vi\u1ebft li\u00ean quan<\/b><\/div>\n<ul>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=22728\">Hu\u1ea5n luy\u1ec7n m\u00f4 h\u00ecnh h\u00e0ng tr\u0103m t\u1ef7 tham s\u1ed1 ngay t\u1ea1i b\u00e0n v\u1edbi MSI EdgeXpert<\/a><\/li>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=22612\">NVIDIA Merlin: T\u1ed5ng quan v\u1ec1 toolkit cho h\u1ec7 th\u1ed1ng g\u1ee3i \u00fd quy m\u00f4 l\u1edbn<\/a><\/li>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=22376\">OpenAI l\u1ea7n \u0111\u1ea7u ph\u00e1t h\u00e0nh mi\u1ec5n ph\u00ed m\u00f4 h\u00ecnh ng\u00f4n ng\u1eef m\u1edbi v\u1edbi t\u00ean g\u1ecdi l\u00e0 GPT-OSS<\/a><\/li>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=21466\">5 \u0111i\u1ec1u b\u1ea1n c\u1ea7n bi\u1ebft v\u1ec1 NVIDIA DGX Spark &#8211; Chi\u1ebfc m\u00e1y t\u00ednh m\u01a1 \u01b0\u1edbc c\u1ee7a c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n AI<\/a><\/li>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=21557\">SLM v\u00e0 AI t\u1ea1i bi\u00ean: B\u00ecnh minh c\u1ee7a m\u1ed9t k\u1ef7 nguy\u00ean m\u1edbi hay ch\u1ec9 l\u00e0 c\u01a1n s\u1ed1t nh\u1ea5t th\u1eddi?<\/a><\/li>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=21405\">NVIDIA t\u1ea1i Computex 2025: &#8220;G\u00e3 kh\u1ed5ng l\u1ed3 xanh&#8221; \u0111\u1eb7t c\u01b0\u1ee3c t\u1ea5t c\u1ea3 v\u00e0o AI, GeForce li\u1ec7u c\u00f3 b\u1ecb ra r\u00eca?<\/a><\/li>\n<\/ul>\n<\/p>","protected":false},"excerpt":{"rendered":"<p>H&#7885;c m&aacute;y &#273;&#432;&#7907;c gi&aacute;m s&aacute;t (supervised machine learning) l&agrave; g&igrave; v&agrave; n&oacute; li&ecirc;n quan nh&#432; th&#7871; n&agrave;o &#273;&#7871;n h&#7885;c kh&ocirc;ng gi&aacute;m s&aacute;t (unsupervised)? Trong b&agrave;i &#273;&#259;ng n&agrave;y, b&#7841;n s&#7869; t&igrave;m hi&#7875;u c&aacute;c kh&aacute;i ni&#7879;m &ldquo;h&#7885;c c&oacute; gi&aacute;m s&aacute;t&rdquo;, &ldquo;h&#7885;c kh&ocirc;ng gi&aacute;m s&aacute;t&rdquo; v&agrave; &ldquo;h&#7885;c m&aacute;y c&oacute; gi&aacute;m s&aacute;t m&#7897;t ph&#7847;n&rdquo;. Sau khi &#273;&#7885;c b&agrave;i n&agrave;y,&#8230;<\/p>\n","protected":false},"author":2,"featured_media":471,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[3],"tags":[7,29],"class_list":["post-470","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ai-hpc","tag-ai","tag-machine-learning"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>H\u1ecdc m\u00e1y c\u00f3 gi\u00e1m s\u00e1t v\u00e0 H\u1ecdc m\u00e1y kh\u00f4ng gi\u00e1m s\u00e1t - Blog | TheGioiMayChu<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/thegioimaychu.vn\/blog\/ai-hpc\/hoc-may-co-giam-sat-va-hoc-may-khong-giam-sat-p470\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"H\u1ecdc m\u00e1y c\u00f3 gi\u00e1m s\u00e1t v\u00e0 H\u1ecdc m\u00e1y kh\u00f4ng gi\u00e1m s\u00e1t - Blog | TheGioiMayChu\" \/>\n<meta name=\"twitter:description\" content=\"H&#7885;c m&aacute;y &#273;&#432;&#7907;c gi&aacute;m s&aacute;t (supervised machine learning) l&agrave; g&igrave; v&agrave; n&oacute; li&ecirc;n quan nh&#432; th&#7871; n&agrave;o &#273;&#7871;n h&#7885;c kh&ocirc;ng gi&aacute;m s&aacute;t (unsupervised)? Trong b&agrave;i &#273;&#259;ng n&agrave;y, b&#7841;n s&#7869; t&igrave;m hi&#7875;u c&aacute;c kh&aacute;i ni&#7879;m &ldquo;h&#7885;c c&oacute; gi&aacute;m s&aacute;t&rdquo;, &ldquo;h&#7885;c kh&ocirc;ng gi&aacute;m s&aacute;t&rdquo; v&agrave; &ldquo;h&#7885;c m&aacute;y c&oacute; gi&aacute;m s&aacute;t m&#7897;t ph&#7847;n&rdquo;. 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