{"id":11052,"date":"2019-12-08T00:15:25","date_gmt":"2019-12-07T22:15:25","guid":{"rendered":"https:\/\/www.datanovia.com\/en\/?post_type=dt_courses&#038;p=11052"},"modified":"2020-11-22T15:31:16","modified_gmt":"2020-11-22T14:31:16","slug":"comparaison-de-deux-moyennes-dans-r","status":"publish","type":"dt_courses","link":"https:\/\/www.datanovia.com\/en\/fr\/courses\/comparaison-de-deux-moyennes-dans-r\/","title":{"rendered":"Comparaison de Deux Moyennes dans R"},"content":{"rendered":"<div id=\"rdoc\">\n<h2>Description du Cours<\/h2>\n<p>Cette partie d\u00e9crit comment comparer deux moyennes dans R en utilisant le <strong>test t<\/strong> (m\u00e9thode param\u00e9trique) et le <strong>test de Wilcoxon<\/strong> (m\u00e9thode non param\u00e9trique).<\/p>\n<p>Contenu:<\/p>\n<ol style=\"list-style-type: decimal;\">\n<li><strong>Comparaison de la moyenne d\u2019un \u00e9chantillon \u00e0 une valeur th\u00e9orique standard<\/strong>:\n<ul>\n<li>Test T pour \u00e9chantillon Unique (param\u00e9trique)<\/li>\n<li>Test des Rangs Sign\u00e9s de Wilcoxon (non param\u00e9trique)<\/li>\n<\/ul>\n<\/li>\n<li><strong>Comparaison des moyennes de deux groupes ind\u00e9pendants<\/strong>:\n<ul>\n<li>Test T pour Echantillons Ind\u00e9pendants (param\u00e9trique)<\/li>\n<li>Test de la Somme des Rangs de Wilcoxon (non param\u00e9trique)<\/li>\n<\/ul>\n<\/li>\n<li><strong>Comparaison des moyennes des \u00e9chantillons appari\u00e9s<\/strong>:\n<ul>\n<li>Test T pour Echantillons Appari\u00e9s (param\u00e9trique)<\/li>\n<li>Test des Rangs Sign\u00e9s de Wilcoxon sur Echantillons Appari\u00e9s (non param\u00e9trique)<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>De plus, nous d\u00e9crivons le <strong>test du signe<\/strong>, une alternative au <em>test t pour \u00e9chantillons appari\u00e9s<\/em> et au <em>test des rangs sign\u00e9s de Wilcoxon<\/em>, dans le cas o\u00f9 la distribution des diff\u00e9rences entre les valeurs des donn\u00e9es appari\u00e9es n\u2019est ni normale (dans le test t) ni sym\u00e9trique (dans le test de Wilcoxon).<\/p>\n<div class='dt-sc-hr-invisible-medium  '><\/div>\n<div class='dt-sc-ico-content type1'><div class='custom-icon' ><a href='https:\/\/www.datanovia.com\/en\/fr\/produit\/pratiques-des-statistiques-dans-r-pour-comparaison-de-groupes-variables-numeriques\/' target='_blank'><span class='fa fa-book'><\/span><\/a><\/div><h4><a href='https:\/\/www.datanovia.com\/en\/fr\/produit\/pratiques-des-statistiques-dans-r-pour-comparaison-de-groupes-variables-numeriques\/' target='_blank'> Livre Apparent\u00e9 <\/a><\/h4>Pratique des Statistiques dans R II - Comparaison de Groupes: Variables Num\u00e9riques<\/div>\n<div class='dt-sc-hr-invisible-medium  '><\/div>\n<\/div>\n<p><!--end rdoc--><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ce cours fournit un guide pratique \u00e9tape par \u00e9tape pour comparer les moyennes de deux groupes dans R en utilisant le test t (m\u00e9thode param\u00e9trique) et le test de Wilcoxon (m\u00e9thode non param\u00e9trique).<\/p>\n","protected":false},"author":1,"featured_media":11053,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","class_list":["post-11052","dt_courses","type-dt_courses","status-publish","has-post-thumbnail","hentry","course_category-biostatistique","course_category-comparaison-de-moyennes","course_category-statistiques-de-base"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Comparaison de Deux Moyennes dans R: Excellente R\u00e9f\u00e9rence - Datanovia<\/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:\/\/www.datanovia.com\/en\/fr\/courses\/comparaison-de-deux-moyennes-dans-r\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Comparaison de Deux Moyennes dans R: Excellente R\u00e9f\u00e9rence - 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