{"id":419,"date":"2022-05-16T17:06:04","date_gmt":"2022-05-16T15:06:04","guid":{"rendered":"http:\/\/yb-isn.fr\/2021\/nsi\/lisa\/?p=419"},"modified":"2022-05-16T17:45:17","modified_gmt":"2022-05-16T15:45:17","slug":"k-plus-proche-voisin","status":"publish","type":"post","link":"http:\/\/yb-isn.fr\/2021\/nsi\/lisa\/2022\/05\/16\/k-plus-proche-voisin\/","title":{"rendered":"K plus proche voisin"},"content":{"rendered":"
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La m\u00e9thode des K plus proches voisins (KNN) a pour but de classifier des points cibles en fonction de leurs distances par rapport \u00e0 des points constituant un \u00e9chantillon d’apprentissage.<\/span><\/span><\/div>\n
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J’ai fait des tests \u00e0 partir du cours de https:\/\/openclassrooms.com\/fr\/courses\/4011851-initiez-vous-au-machine-learning\/4022441-entrainez-votre-premier-k-nn<\/a><\/div>\n
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liens vers le google colab, ou captures d’\u00e9cran en dessous.<\/div>\n
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https:\/\/colab.research.google.com\/drive\/1hP0qQwBrI_J2bc__O5uhIDpOFcRWpbPC?usp=sharing<\/a><\/div>\n
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#data et target avec base de donn\u00e9e enti\u00e8re<\/strong><\/figcaption><\/figure>\n\n\n\n
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#Calcul du pourcentage de performance du mod\u00e8le 80\/20<\/strong><\/figcaption><\/figure>\n\n\n\n
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#graphique repr\u00e9sentant la performance des classifieurs<\/strong><\/figcaption><\/figure>\n\n\n\n
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#Pr\u00e9dictions du classifieur<\/strong><\/figcaption><\/figure>\n\n\n\n
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#Donn\u00e9es mal pr\u00e9dites<\/strong><\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"

La m\u00e9thode des K plus proches voisins (KNN) a pour but de classifier des points cibles en fonction de leurs distances par rapport \u00e0 des points constituant un \u00e9chantillon d’apprentissage.   J’ai fait des tests \u00e0 partir du cours de https:\/\/openclassrooms.com\/fr\/courses\/4011851-initiez-vous-au-machine-learning\/4022441-entrainez-votre-premier-k-nn   liens vers le google colab, ou captures d’\u00e9cran en dessous. https:\/\/colab.research.google.com\/drive\/1hP0qQwBrI_J2bc__O5uhIDpOFcRWpbPC?usp=sharing  <\/p>\n","protected":false},"author":8,"featured_media":438,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[9,2],"tags":[],"_links":{"self":[{"href":"http:\/\/yb-isn.fr\/2021\/nsi\/lisa\/wp-json\/wp\/v2\/posts\/419"}],"collection":[{"href":"http:\/\/yb-isn.fr\/2021\/nsi\/lisa\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/yb-isn.fr\/2021\/nsi\/lisa\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/yb-isn.fr\/2021\/nsi\/lisa\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"http:\/\/yb-isn.fr\/2021\/nsi\/lisa\/wp-json\/wp\/v2\/comments?post=419"}],"version-history":[{"count":4,"href":"http:\/\/yb-isn.fr\/2021\/nsi\/lisa\/wp-json\/wp\/v2\/posts\/419\/revisions"}],"predecessor-version":[{"id":437,"href":"http:\/\/yb-isn.fr\/2021\/nsi\/lisa\/wp-json\/wp\/v2\/posts\/419\/revisions\/437"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/yb-isn.fr\/2021\/nsi\/lisa\/wp-json\/wp\/v2\/media\/438"}],"wp:attachment":[{"href":"http:\/\/yb-isn.fr\/2021\/nsi\/lisa\/wp-json\/wp\/v2\/media?parent=419"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/yb-isn.fr\/2021\/nsi\/lisa\/wp-json\/wp\/v2\/categories?post=419"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/yb-isn.fr\/2021\/nsi\/lisa\/wp-json\/wp\/v2\/tags?post=419"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}