{"id":11086,"date":"2019-12-08T10:22:51","date_gmt":"2019-12-08T08:22:51","guid":{"rendered":"https:\/\/www.datanovia.com\/en\/?post_type=dt_classes&#038;p=11086"},"modified":"2019-12-09T07:37:09","modified_gmt":"2019-12-09T05:37:09","slug":"comparaison-de-moyennes-dans-r","status":"publish","type":"dt_classes","link":"https:\/\/www.datanovia.com\/en\/fr\/classes\/comparaison-de-moyennes-dans-r\/","title":{"rendered":"Comparaison de Moyennes dans R"},"content":{"rendered":"<div id=\"rdoc\">\n<p>Ce cours fournit un solide guide pratique \u00e9tape par \u00e9tape de l\u2019inf\u00e9rence statistique pour <strong>comparer les moyens de groupes<\/strong> \u00e0 l\u2019aide du logiciel R. Il est con\u00e7u pour vous permettre d\u2019effectuer les tests statistiques dans R le plus rapidement possible. Ce cours met l\u2019accent sur la mise en pratique et la compr\u00e9hension des m\u00e9thodes, sans avoir \u00e0 se d\u00e9battre \u00e0 travers des pages de formules math\u00e9matiques.<\/p>\n<p>Vous serez guid\u00e9 \u00e0 travers les \u00e9tapes de synth\u00e8se et de visualisation des donn\u00e9es, de v\u00e9rification des hypoth\u00e8ses et de r\u00e9alisation de tests statistiques dans R, d\u2019interpr\u00e9tation et de reporting des r\u00e9sultats.<\/p>\n<p>Quelques exemples de graphiques avec des p-values, d\u00e9crits dans ce cours, sont pr\u00e9sent\u00e9s ci-dessous.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.datanovia.com\/en\/wp-content\/uploads\/dn-tutorials\/r-statistics-2-comparing-groups-means\/figures\/061-r-statistics-comparing-group-means-course-two-way-anova-box-plots-with-pvalues-1.png\" width=\"480\" \/><\/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 solide guide pratique, \u00e9tape par \u00e9tape, des analyses statistiques pour comparer les moyennes de groupes \u00e0 l&rsquo;aide du logiciel R. Vous apprendrez comment calculer les tests param\u00e9triques (test t, ANOVA, ANCOVA) et non param\u00e9triques (test de Wilcoxon, test des signes, test de Kruskal-Wallis et test de Friedman. Nous montrerons comment utiliser ces tests pour des mesures ind\u00e9pendantes et r\u00e9p\u00e9t\u00e9es. Des tests post-hoc sont \u00e9galement pr\u00e9sent\u00e9s lors de la comparaison des moyennes de plusieurs groupes. Vous apprendrez \u00e9galement comment ajouter des p-values et des symboles aux graphiques, tels que les Box plots et les Line plots.<\/p>\n","protected":false},"author":1,"featured_media":11053,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","class_list":["post-11086","dt_classes","type-dt_classes","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Comparaison de Moyennes dans R: Excellente Guide Pratique - 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\/classes\/comparaison-de-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 Moyennes dans R: Excellente Guide Pratique - Datanovia\" \/>\n<meta property=\"og:description\" content=\"Ce cours fournit un solide guide pratique, \u00e9tape par \u00e9tape, des analyses statistiques pour comparer les moyennes de groupes \u00e0 l&#039;aide du logiciel R. Vous apprendrez comment calculer les tests param\u00e9triques (test t, ANOVA, ANCOVA) et non param\u00e9triques (test de Wilcoxon, test des signes, test de Kruskal-Wallis et test de Friedman. Nous montrerons comment utiliser ces tests pour des mesures ind\u00e9pendantes et r\u00e9p\u00e9t\u00e9es. Des tests post-hoc sont \u00e9galement pr\u00e9sent\u00e9s lors de la comparaison des moyennes de plusieurs groupes. 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