L’apprentissage non supervis\u00e9 est une branche essentielle du Machine Learning qui permet aux algorithmes d’apprendre \u00e0 partir de donn\u00e9es non \u00e9tiquet\u00e9es. Qu’est-ce que l’apprentissage non supervis\u00e9 ? C’est un type d’apprentissage automatique o\u00f9 l’algorithme explore des donn\u00e9es sans instructions explicites, d\u00e9couvrant des structures et des relations cach\u00e9es par lui-m\u00eame.<\/p>\n
Imaginez un enfant qui re\u00e7oit un panier rempli de blocs de construction de diff\u00e9rentes formes et couleurs, sans notice de montage. L’enfant commence \u00e0 jouer avec les blocs, les trie par couleur, puis par forme, et peut-\u00eatre m\u00eame qu’il commence \u00e0 construire des tours avec les blocs rectangulaires. Il apprend des similarit\u00e9s et des diff\u00e9rences entre les blocs sans qu’on lui dise explicitement quoi faire. L’apprentissage non supervis\u00e9 fonctionne de la m\u00eame mani\u00e8re : l’algorithme analyse des donn\u00e9es brutes et identifie des motifs r\u00e9currents, des similarit\u00e9s et des regroupements dans les donn\u00e9es, sans avoir acc\u00e8s \u00e0 des exemples pr\u00e9-\u00e9tiquet\u00e9s.<\/p>\n
L’apprentissage non supervis\u00e9 est crucial car, dans le monde r\u00e9el, la plupart des donn\u00e9es sont non \u00e9tiquet\u00e9es. L’\u00e9tiqueter manuellement est co\u00fbteux et prend du temps. En permettant aux machines d’apprendre de mani\u00e8re autonome \u00e0 partir de donn\u00e9es brutes, l’apprentissage non supervis\u00e9 ouvre la voie \u00e0 de nombreuses applications. En prompt engineering<\/em>, il peut aider \u00e0 identifier des groupes de prompts similaires, permettant ainsi d’optimiser les requ\u00eates et d’am\u00e9liorer la performance des mod\u00e8les de langage.<\/p>\n L’apprentissage non supervis\u00e9 est une branche essentielle du Machine Learning qui permet aux algorithmes d’apprendre \u00e0 partir de donn\u00e9es non \u00e9tiquet\u00e9es. Qu’est-ce que l’apprentissage non supervis\u00e9 ? C’est un type d’apprentissage automatique o\u00f9 l’algorithme explore des donn\u00e9es sans instructions explicites, d\u00e9couvrant des structures et des relations cach\u00e9es par lui-m\u00eame. Comment fonctionne l’apprentissage non supervis\u00e9 ? […]<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[3],"tags":[64,63,37,67,65,66],"class_list":["post-202","post","type-post","status-publish","format-standard","hentry","category-a","tag-apprentissage-non-supervise","tag-apprentissage-par-renforcement","tag-apprentissage-supervise","tag-clustering-regroupement","tag-detection-danomalies","tag-reduction-de-la-dimensionnalite"],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false},"uagb_author_info":{"display_name":"","author_link":"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/author\/"},"uagb_comment_info":0,"uagb_excerpt":"L’apprentissage non supervis\u00e9 est une branche essentielle du Machine Learning qui permet aux algorithmes d’apprendre \u00e0 partir de donn\u00e9es non \u00e9tiquet\u00e9es. Qu’est-ce que l’apprentissage non supervis\u00e9 ? C’est un type d’apprentissage automatique o\u00f9 l’algorithme explore des donn\u00e9es sans instructions explicites, d\u00e9couvrant des structures et des relations cach\u00e9es par lui-m\u00eame. Comment fonctionne l’apprentissage non supervis\u00e9 ?\u2026","_links":{"self":[{"href":"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/wp-json\/wp\/v2\/posts\/202","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/wp-json\/wp\/v2\/comments?post=202"}],"version-history":[{"count":1,"href":"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/wp-json\/wp\/v2\/posts\/202\/revisions"}],"predecessor-version":[{"id":378,"href":"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/wp-json\/wp\/v2\/posts\/202\/revisions\/378"}],"wp:attachment":[{"href":"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/wp-json\/wp\/v2\/media?parent=202"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/wp-json\/wp\/v2\/categories?post=202"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/wp-json\/wp\/v2\/tags?post=202"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}Exemples d’utilisation de l’apprentissage non supervis\u00e9<\/h3>\n
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Termes associ\u00e9s<\/h3>\n
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