{"id":15411,"date":"2020-03-21T12:00:16","date_gmt":"2020-03-21T11:00:16","guid":{"rendered":"https:\/\/www.datanovia.com\/en\/?p=15411"},"modified":"2020-03-21T12:00:16","modified_gmt":"2020-03-21T11:00:16","slug":"comment-effectuer-un-test-t-multiple-dans-r-pour-differentes-variables","status":"publish","type":"post","link":"https:\/\/www.datanovia.com\/en\/fr\/blog\/comment-effectuer-un-test-t-multiple-dans-r-pour-differentes-variables\/","title":{"rendered":"Comment Effectuer un Test-T Multiple dans R pour Diff\u00e9rentes Variables"},"content":{"rendered":"<div class=\"rdoc\">\n<h2 id=\"pr\u00e9requis\">Pr\u00e9requis<\/h2>\n<pre class=\"r\"><code># Charger les packages R requis\r\nlibrary(tidyverse)\r\nlibrary(rstatix)\r\nlibrary(ggpubr)\r\n   \r\n# Pr\u00e9parer les donn\u00e9es et inspecter un \u00e9chantillon al\u00e9atoire des donn\u00e9es\r\nmydata &lt;- iris %&gt;%\r\n  filter(Species != \"setosa\") %&gt;%\r\n  as_tibble()\r\nmydata %&gt;% sample_n(6)<\/code><\/pre>\n<pre><code>## # A tibble: 6 x 5\r\n##   Sepal.Length Sepal.Width Petal.Length Petal.Width Species   \r\n##          &lt;dbl&gt;       &lt;dbl&gt;        &lt;dbl&gt;       &lt;dbl&gt; &lt;fct&gt;     \r\n## 1          6           2.9          4.5         1.5 versicolor\r\n## 2          6.4         2.8          5.6         2.1 virginica \r\n## 3          5.5         2.6          4.4         1.2 versicolor\r\n## 4          7.7         3            6.1         2.3 virginica \r\n## 5          6.7         3.1          5.6         2.4 virginica \r\n## 6          6.5         2.8          4.6         1.5 versicolor<\/code><\/pre>\n<pre class=\"r\"><code># Transformer les donn\u00e9es en format long\r\n# Mettez toutes les variables dans la m\u00eame colonne sauf `Species`, la variable de regroupement\r\nmydata.long &lt;- mydata %&gt;%\r\n  pivot_longer(-Species, names_to = \"variables\", values_to = \"value\")\r\nmydata.long %&gt;% sample_n(6)<\/code><\/pre>\n<pre><code>## # A tibble: 6 x 3\r\n##   Species    variables    value\r\n##   &lt;fct&gt;      &lt;chr&gt;        &lt;dbl&gt;\r\n## 1 virginica  Petal.Width    2.1\r\n## 2 virginica  Sepal.Length   6.9\r\n## 3 virginica  Petal.Width    2.2\r\n## 4 versicolor Sepal.Width    3  \r\n## 5 virginica  Petal.Length   5.7\r\n## 6 versicolor Petal.Width    1.3<\/code><\/pre>\n<h2 id=\"effectuer-plusieurs-tests-t\">Effectuer plusieurs tests T<\/h2>\n<ul>\n<li>Regrouper les donn\u00e9es par variables et comparer les groupes d\u2019esp\u00e8ces<\/li>\n<li>Ajuster les p-values et ajouter les niveaux de signification<\/li>\n<\/ul>\n<pre class=\"r\"><code>stat.test &lt;- mydata.long %&gt;%\r\n  group_by(variables) %&gt;%\r\n  t_test(value ~ Species) %&gt;%\r\n  adjust_pvalue(method = \"BH\") %&gt;%\r\n  add_significance()\r\nstat.test<\/code><\/pre>\n<pre><code>## # A tibble: 4 x 11\r\n##   variables    .y.   group1     group2       n1    n2 statistic    df        p    p.adj p.adj.signif\r\n##   &lt;chr&gt;        &lt;chr&gt; &lt;chr&gt;      &lt;chr&gt;     &lt;int&gt; &lt;int&gt;     &lt;dbl&gt; &lt;dbl&gt;    &lt;dbl&gt;    &lt;dbl&gt; &lt;chr&gt;       \r\n## 1 Petal.Length value versicolor virginica    50    50    -12.6   95.6 4.90e-22 9.80e-22 ****        \r\n## 2 Petal.Width  value versicolor virginica    50    50    -14.6   89.0 2.11e-25 8.44e-25 ****        \r\n## 3 Sepal.Length value versicolor virginica    50    50     -5.63  94.0 1.87e- 7 2.49e- 7 ****        \r\n## 4 Sepal.Width  value versicolor virginica    50    50     -3.21  97.9 1.82e- 3 1.82e- 3 **<\/code><\/pre>\n<h2 id=\"cr\u00e9er-des-boxplots-multi-panneaux-avec-des-p-values-du-test-t\">Cr\u00e9er des Boxplots multi-panneaux avec des p-values du test t<\/h2>\n<pre class=\"r\"><code># Cr\u00e9er le graphique\r\nmyplot &lt;- ggboxplot(\r\n  mydata.long, x = \"Species\", y = \"value\",\r\n  fill = \"Species\", palette = \"npg\", legend = \"none\",\r\n  ggtheme = theme_pubr(border = TRUE)\r\n  ) +\r\n  facet_wrap(~variables)\r\n# Ajouter les p-values des tests statistiques\r\nstat.test &lt;- stat.test %&gt;% add_xy_position(x = \"Species\")\r\nmyplot + stat_pvalue_manual(stat.test, label = \"p.adj.signif\")<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/i.imgur.com\/ACnWaAQ.png\" alt=\"plot of chunk multiple-t-test-in-r-multi-panel-boxplots\" \/><\/p>\n<h2 id=\"cr\u00e9er-des-box-plots-individuels-avec-des-p-values-du-t-test\">Cr\u00e9er des box-plots individuels avec des p-values du t-test<\/h2>\n<pre class=\"r\"><code># Regroupez les donn\u00e9es par variables et faites un graphique pour chaque variable\r\ngraphs &lt;- mydata.long %&gt;%\r\n  group_by(variables) %&gt;%\r\n  doo(\r\n    ~ggboxplot(\r\n      data =., x = \"Species\", y = \"value\",\r\n      fill = \"Species\", palette = \"npg\", legend = \"none\",\r\n      ggtheme = theme_pubr()\r\n      ), \r\n    result = \"plots\"\r\n  )\r\ngraphs<\/code><\/pre>\n<pre><code>## # A tibble: 4 x 2\r\n##   variables    plots \r\n##   &lt;chr&gt;        &lt;list&gt;\r\n## 1 Petal.Length &lt;gg&gt;  \r\n## 2 Petal.Width  &lt;gg&gt;  \r\n## 3 Sepal.Length &lt;gg&gt;  \r\n## 4 Sepal.Width  &lt;gg&gt;<\/code><\/pre>\n<pre class=\"r\"><code># Ajouter des tests statistiques \u00e0 chaque graphique correspondant\r\nvariables &lt;- graphs$variables\r\nfor(i in 1:length(variables)){\r\n  graph.i &lt;- graphs$plots[[i]] + \r\n    labs(title = variables[i]) +\r\n    stat_pvalue_manual(stat.test[i, ], label = \"p.adj.signif\")\r\n  print(graph.i)\r\n}<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/i.imgur.com\/76ZPI2c.png\" alt=\"plot of chunk multiple-t-test-in-r-individual-boxplot\" \/><img decoding=\"async\" src=\"https:\/\/i.imgur.com\/SQVX8jO.png\" alt=\"plot of chunk multiple-t-test-in-r-individual-boxplot\" \/><img decoding=\"async\" src=\"https:\/\/i.imgur.com\/C48Ldej.png\" alt=\"plot of chunk multiple-t-test-in-r-individual-boxplot\" \/><img decoding=\"async\" src=\"https:\/\/i.imgur.com\/z8aO34c.png\" alt=\"plot of chunk multiple-t-test-in-r-individual-boxplot\" \/><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Pr\u00e9requis # Charger les packages R requis library(tidyverse) library(rstatix) library(ggpubr) # Pr\u00e9parer les donn\u00e9es et inspecter un \u00e9chantillon al\u00e9atoire des donn\u00e9es mydata &lt;- iris %&gt;% filter(Species != \u00ab\u00a0setosa\u00a0\u00bb) %&gt;% as_tibble() [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":15412,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rating_form_position":"","rating_results_position":"","mr_structured_data_type":"","footnotes":""},"categories":[342],"tags":[350,356],"class_list":["post-15411","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-faq-fr","tag-ggpubr-fr","tag-r-stats-fr"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Comment Effectuer un Test-T Multiple dans R pour Diff\u00e9rentes Variables - 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\/blog\/comment-effectuer-un-test-t-multiple-dans-r-pour-differentes-variables\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Comment Effectuer un Test-T Multiple dans R pour Diff\u00e9rentes Variables - Datanovia\" \/>\n<meta property=\"og:description\" content=\"Pr\u00e9requis # Charger les packages R requis library(tidyverse) library(rstatix) library(ggpubr) # Pr\u00e9parer les donn\u00e9es et inspecter un \u00e9chantillon al\u00e9atoire des donn\u00e9es mydata &lt;- iris %&gt;% filter(Species != &quot;setosa&quot;) %&gt;% as_tibble() [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.datanovia.com\/en\/fr\/blog\/comment-effectuer-un-test-t-multiple-dans-r-pour-differentes-variables\/\" \/>\n<meta property=\"og:site_name\" content=\"Datanovia\" \/>\n<meta property=\"article:published_time\" content=\"2020-03-21T11:00:16+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.datanovia.com\/en\/wp-content\/uploads\/2020\/03\/ACnWaAQ.png\" \/>\n\t<meta property=\"og:image:width\" content=\"432\" \/>\n\t<meta property=\"og:image:height\" content=\"432\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Alboukadel\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Alboukadel\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.datanovia.com\/en\/fr\/blog\/comment-effectuer-un-test-t-multiple-dans-r-pour-differentes-variables\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.datanovia.com\/en\/fr\/blog\/comment-effectuer-un-test-t-multiple-dans-r-pour-differentes-variables\/\"},\"author\":{\"name\":\"Alboukadel\",\"@id\":\"https:\/\/www.datanovia.com\/en\/fr\/#\/schema\/person\/7767cf2bd5c91a1610c6eb53a0ff069e\"},\"headline\":\"Comment Effectuer un Test-T Multiple dans R pour Diff\u00e9rentes Variables\",\"datePublished\":\"2020-03-21T11:00:16+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.datanovia.com\/en\/fr\/blog\/comment-effectuer-un-test-t-multiple-dans-r-pour-differentes-variables\/\"},\"wordCount\":60,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.datanovia.com\/en\/fr\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.datanovia.com\/en\/fr\/blog\/comment-effectuer-un-test-t-multiple-dans-r-pour-differentes-variables\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.datanovia.com\/en\/wp-content\/uploads\/2020\/03\/ACnWaAQ.png\",\"keywords\":[\"ggpubr\",\"R Stats\"],\"articleSection\":[\"FAQ\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.datanovia.com\/en\/fr\/blog\/comment-effectuer-un-test-t-multiple-dans-r-pour-differentes-variables\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.datanovia.com\/en\/fr\/blog\/comment-effectuer-un-test-t-multiple-dans-r-pour-differentes-variables\/\",\"url\":\"https:\/\/www.datanovia.com\/en\/fr\/blog\/comment-effectuer-un-test-t-multiple-dans-r-pour-differentes-variables\/\",\"name\":\"Comment Effectuer un Test-T Multiple dans R pour Diff\u00e9rentes Variables - Datanovia\",\"isPartOf\":{\"@id\":\"https:\/\/www.datanovia.com\/en\/fr\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.datanovia.com\/en\/fr\/blog\/comment-effectuer-un-test-t-multiple-dans-r-pour-differentes-variables\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.datanovia.com\/en\/fr\/blog\/comment-effectuer-un-test-t-multiple-dans-r-pour-differentes-variables\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.datanovia.com\/en\/wp-content\/uploads\/2020\/03\/ACnWaAQ.png\",\"datePublished\":\"2020-03-21T11:00:16+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.datanovia.com\/en\/fr\/blog\/comment-effectuer-un-test-t-multiple-dans-r-pour-differentes-variables\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.datanovia.com\/en\/fr\/blog\/comment-effectuer-un-test-t-multiple-dans-r-pour-differentes-variables\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/www.datanovia.com\/en\/fr\/blog\/comment-effectuer-un-test-t-multiple-dans-r-pour-differentes-variables\/#primaryimage\",\"url\":\"https:\/\/www.datanovia.com\/en\/wp-content\/uploads\/2020\/03\/ACnWaAQ.png\",\"contentUrl\":\"https:\/\/www.datanovia.com\/en\/wp-content\/uploads\/2020\/03\/ACnWaAQ.png\",\"width\":432,\"height\":432,\"caption\":\"plot of chunk multiple-t-test-in-r-multi-panel-boxplots\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.datanovia.com\/en\/fr\/blog\/comment-effectuer-un-test-t-multiple-dans-r-pour-differentes-variables\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.datanovia.com\/en\/fr\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Comment Effectuer un Test-T Multiple dans R pour Diff\u00e9rentes Variables\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.datanovia.com\/en\/fr\/#website\",\"url\":\"https:\/\/www.datanovia.com\/en\/fr\/\",\"name\":\"Datanovia\",\"description\":\"Exploration de Donn\u00e9es et Statistiques pour l'Aide \u00e0 la D\u00e9cision\",\"publisher\":{\"@id\":\"https:\/\/www.datanovia.com\/en\/fr\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.datanovia.com\/en\/fr\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.datanovia.com\/en\/fr\/#organization\",\"name\":\"Datanovia\",\"url\":\"https:\/\/www.datanovia.com\/en\/fr\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/www.datanovia.com\/en\/fr\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.datanovia.com\/en\/wp-content\/uploads\/2018\/09\/datanovia-logo.png\",\"contentUrl\":\"https:\/\/www.datanovia.com\/en\/wp-content\/uploads\/2018\/09\/datanovia-logo.png\",\"width\":98,\"height\":99,\"caption\":\"Datanovia\"},\"image\":{\"@id\":\"https:\/\/www.datanovia.com\/en\/fr\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.datanovia.com\/en\/fr\/#\/schema\/person\/7767cf2bd5c91a1610c6eb53a0ff069e\",\"name\":\"Alboukadel\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/www.datanovia.com\/en\/fr\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/ed3108646c5c7c3d188324ab972f96ad7d9975b41b94014d7f68257791be395a?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/ed3108646c5c7c3d188324ab972f96ad7d9975b41b94014d7f68257791be395a?s=96&d=mm&r=g\",\"caption\":\"Alboukadel\"},\"url\":\"https:\/\/www.datanovia.com\/en\/fr\/blog\/author\/kassambara\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Comment Effectuer un Test-T Multiple dans R pour Diff\u00e9rentes Variables - Datanovia","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.datanovia.com\/en\/fr\/blog\/comment-effectuer-un-test-t-multiple-dans-r-pour-differentes-variables\/","og_locale":"fr_FR","og_type":"article","og_title":"Comment Effectuer un Test-T Multiple dans R pour Diff\u00e9rentes Variables - Datanovia","og_description":"Pr\u00e9requis # Charger les packages R requis library(tidyverse) library(rstatix) library(ggpubr) # Pr\u00e9parer les donn\u00e9es et inspecter un \u00e9chantillon al\u00e9atoire des donn\u00e9es mydata &lt;- iris %&gt;% filter(Species != \"setosa\") %&gt;% as_tibble() [&hellip;]","og_url":"https:\/\/www.datanovia.com\/en\/fr\/blog\/comment-effectuer-un-test-t-multiple-dans-r-pour-differentes-variables\/","og_site_name":"Datanovia","article_published_time":"2020-03-21T11:00:16+00:00","og_image":[{"width":432,"height":432,"url":"https:\/\/www.datanovia.com\/en\/wp-content\/uploads\/2020\/03\/ACnWaAQ.png","type":"image\/png"}],"author":"Alboukadel","twitter_card":"summary_large_image","twitter_misc":{"\u00c9crit par":"Alboukadel","Dur\u00e9e de lecture estim\u00e9e":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.datanovia.com\/en\/fr\/blog\/comment-effectuer-un-test-t-multiple-dans-r-pour-differentes-variables\/#article","isPartOf":{"@id":"https:\/\/www.datanovia.com\/en\/fr\/blog\/comment-effectuer-un-test-t-multiple-dans-r-pour-differentes-variables\/"},"author":{"name":"Alboukadel","@id":"https:\/\/www.datanovia.com\/en\/fr\/#\/schema\/person\/7767cf2bd5c91a1610c6eb53a0ff069e"},"headline":"Comment Effectuer un Test-T Multiple dans R pour Diff\u00e9rentes Variables","datePublished":"2020-03-21T11:00:16+00:00","mainEntityOfPage":{"@id":"https:\/\/www.datanovia.com\/en\/fr\/blog\/comment-effectuer-un-test-t-multiple-dans-r-pour-differentes-variables\/"},"wordCount":60,"commentCount":0,"publisher":{"@id":"https:\/\/www.datanovia.com\/en\/fr\/#organization"},"image":{"@id":"https:\/\/www.datanovia.com\/en\/fr\/blog\/comment-effectuer-un-test-t-multiple-dans-r-pour-differentes-variables\/#primaryimage"},"thumbnailUrl":"https:\/\/www.datanovia.com\/en\/wp-content\/uploads\/2020\/03\/ACnWaAQ.png","keywords":["ggpubr","R Stats"],"articleSection":["FAQ"],"inLanguage":"fr-FR","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.datanovia.com\/en\/fr\/blog\/comment-effectuer-un-test-t-multiple-dans-r-pour-differentes-variables\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.datanovia.com\/en\/fr\/blog\/comment-effectuer-un-test-t-multiple-dans-r-pour-differentes-variables\/","url":"https:\/\/www.datanovia.com\/en\/fr\/blog\/comment-effectuer-un-test-t-multiple-dans-r-pour-differentes-variables\/","name":"Comment Effectuer un Test-T Multiple dans R pour Diff\u00e9rentes Variables - Datanovia","isPartOf":{"@id":"https:\/\/www.datanovia.com\/en\/fr\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.datanovia.com\/en\/fr\/blog\/comment-effectuer-un-test-t-multiple-dans-r-pour-differentes-variables\/#primaryimage"},"image":{"@id":"https:\/\/www.datanovia.com\/en\/fr\/blog\/comment-effectuer-un-test-t-multiple-dans-r-pour-differentes-variables\/#primaryimage"},"thumbnailUrl":"https:\/\/www.datanovia.com\/en\/wp-content\/uploads\/2020\/03\/ACnWaAQ.png","datePublished":"2020-03-21T11:00:16+00:00","breadcrumb":{"@id":"https:\/\/www.datanovia.com\/en\/fr\/blog\/comment-effectuer-un-test-t-multiple-dans-r-pour-differentes-variables\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.datanovia.com\/en\/fr\/blog\/comment-effectuer-un-test-t-multiple-dans-r-pour-differentes-variables\/"]}]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/www.datanovia.com\/en\/fr\/blog\/comment-effectuer-un-test-t-multiple-dans-r-pour-differentes-variables\/#primaryimage","url":"https:\/\/www.datanovia.com\/en\/wp-content\/uploads\/2020\/03\/ACnWaAQ.png","contentUrl":"https:\/\/www.datanovia.com\/en\/wp-content\/uploads\/2020\/03\/ACnWaAQ.png","width":432,"height":432,"caption":"plot of chunk multiple-t-test-in-r-multi-panel-boxplots"},{"@type":"BreadcrumbList","@id":"https:\/\/www.datanovia.com\/en\/fr\/blog\/comment-effectuer-un-test-t-multiple-dans-r-pour-differentes-variables\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.datanovia.com\/en\/fr\/"},{"@type":"ListItem","position":2,"name":"Comment Effectuer un Test-T Multiple dans R pour Diff\u00e9rentes Variables"}]},{"@type":"WebSite","@id":"https:\/\/www.datanovia.com\/en\/fr\/#website","url":"https:\/\/www.datanovia.com\/en\/fr\/","name":"Datanovia","description":"Exploration de Donn\u00e9es et Statistiques pour l'Aide \u00e0 la D\u00e9cision","publisher":{"@id":"https:\/\/www.datanovia.com\/en\/fr\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.datanovia.com\/en\/fr\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"},{"@type":"Organization","@id":"https:\/\/www.datanovia.com\/en\/fr\/#organization","name":"Datanovia","url":"https:\/\/www.datanovia.com\/en\/fr\/","logo":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/www.datanovia.com\/en\/fr\/#\/schema\/logo\/image\/","url":"https:\/\/www.datanovia.com\/en\/wp-content\/uploads\/2018\/09\/datanovia-logo.png","contentUrl":"https:\/\/www.datanovia.com\/en\/wp-content\/uploads\/2018\/09\/datanovia-logo.png","width":98,"height":99,"caption":"Datanovia"},"image":{"@id":"https:\/\/www.datanovia.com\/en\/fr\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/www.datanovia.com\/en\/fr\/#\/schema\/person\/7767cf2bd5c91a1610c6eb53a0ff069e","name":"Alboukadel","image":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/www.datanovia.com\/en\/fr\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/ed3108646c5c7c3d188324ab972f96ad7d9975b41b94014d7f68257791be395a?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/ed3108646c5c7c3d188324ab972f96ad7d9975b41b94014d7f68257791be395a?s=96&d=mm&r=g","caption":"Alboukadel"},"url":"https:\/\/www.datanovia.com\/en\/fr\/blog\/author\/kassambara\/"}]}},"multi-rating":{"mr_rating_results":[]},"_links":{"self":[{"href":"https:\/\/www.datanovia.com\/en\/fr\/wp-json\/wp\/v2\/posts\/15411","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.datanovia.com\/en\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.datanovia.com\/en\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.datanovia.com\/en\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.datanovia.com\/en\/fr\/wp-json\/wp\/v2\/comments?post=15411"}],"version-history":[{"count":1,"href":"https:\/\/www.datanovia.com\/en\/fr\/wp-json\/wp\/v2\/posts\/15411\/revisions"}],"predecessor-version":[{"id":15414,"href":"https:\/\/www.datanovia.com\/en\/fr\/wp-json\/wp\/v2\/posts\/15411\/revisions\/15414"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.datanovia.com\/en\/fr\/wp-json\/wp\/v2\/media\/15412"}],"wp:attachment":[{"href":"https:\/\/www.datanovia.com\/en\/fr\/wp-json\/wp\/v2\/media?parent=15411"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.datanovia.com\/en\/fr\/wp-json\/wp\/v2\/categories?post=15411"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.datanovia.com\/en\/fr\/wp-json\/wp\/v2\/tags?post=15411"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}