{"id":4676,"date":"2026-08-13T14:50:08","date_gmt":"2026-08-13T12:50:08","guid":{"rendered":"https:\/\/ellistat.com\/?post_type=guide-dutilisateur&#038;p=4676"},"modified":"2026-08-13T14:50:08","modified_gmt":"2026-08-13T12:50:08","slug":"sommaire-8","status":"publish","type":"guide-dutilisateur","link":"https:\/\/ellistat.com\/es\/guide-dutilisateur\/sommaire-8\/","title":{"rendered":"\u00cdndice"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Les autres menus de <a href=\"https:\/\/ellistat.com\/es\/soluciones-de-analisis-de-datos\/\" data-type=\"page\" data-id=\"905\">An\u00e1lisis de datos<\/a>\u00a0<strong>d\u00e9crivent<\/strong>\u00a0y\u00a0<strong>testent<\/strong>\u00a0: ils disent comment vos mesures se r\u00e9partissent, si deux populations diff\u00e8rent, quels facteurs comptent. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ce menu Machine Learning franchit une \u00e9tape de plus car il construit un\u00a0<strong>mod\u00e8le<\/strong>, c\u2019est-\u00e0-dire une fonction qui pr\u00e9dit Y \u00e0 partir des X, puis il s\u2019en sert pour\u00a0<strong>trouver le meilleur r\u00e9glage<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le menu r\u00e9unit quatre entr\u00e9es qui r\u00e9pondent \u00e0 deux situations bien distinctes, et confondre les deux fait perdre beaucoup de temps :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>vous avez d\u00e9j\u00e0 les donn\u00e9es<\/strong>\u00a0: un historique, un plan d\u2019exp\u00e9riences r\u00e9alis\u00e9&#8230; et vous voulez en tirer un mod\u00e8le puis l\u2019optimiser : c\u2019est\u00a0<strong>Aprendizaje autom\u00e1tico<\/strong>\u00a0y luego\u00a0<strong>Optimizaci\u00f3n<\/strong>\u00a0dans le cas d\u2019un compromis \u00e0 trouver entre plusieurs Y; <\/li>\n\n\n\n<li><strong>vous n\u2019avez pas encore les donn\u00e9es<\/strong>\u00a0et chaque essai co\u00fbte cher : vous voulez que le logiciel vous dise quels essais dans un premier temps pour balayer le domaine d\u2019\u00e9tude et dans un second temps vous donne les essais \u00e0 faire ensuite dans la r\u00e9gion d\u2019int\u00e9r\u00eat. 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