{"id":10722,"date":"2019-11-23T01:12:31","date_gmt":"2019-11-22T23:12:31","guid":{"rendered":"https:\/\/www.datanovia.com\/en\/?p=10722"},"modified":"2019-11-23T01:12:31","modified_gmt":"2019-11-22T23:12:31","slug":"comment-simuler-la-vision-dun-daltonien-dans-les-figures-r","status":"publish","type":"post","link":"https:\/\/www.datanovia.com\/en\/fr\/blog\/comment-simuler-la-vision-dun-daltonien-dans-les-figures-r\/","title":{"rendered":"Comment Simuler la Vision d&rsquo;un Daltonien dans les Figures R"},"content":{"rendered":"<div id=\"rdoc\">\n<p>Cet article d\u00e9crit comment <strong>simuler la vision daltonienne<\/strong> dans les figures de <strong>R<\/strong> pr\u00eates \u00e0 la production en utilisant le package <code>colorblinr<\/code>. Nous vous pr\u00e9senterons \u00e9galement une palette adapt\u00e9e aux daltoniens.<\/p>\n<p>Dans certaines populations, jusqu\u2019\u00e0 10 % des hommes ont une d\u00e9ficience de la vision des couleurs (cvd).<\/p>\n<p>Le package R <a href=\"https:\/\/github.com\/clauswilke\/colorblindr\">colorblindr<\/a> peut \u00eatre utilis\u00e9 pour simuler le daltonisme dans R. Au moment o\u00f9 nous \u00e9crivons ce document (2019-11-23), ce package d\u00e9pend des versions de d\u00e9veloppement de <code>cowplot<\/code> et <code>colorspace<\/code>.<\/p>\n<p>Sommaire:<\/p>\n<div id=\"TOC\">\n<ul>\n<li><a href=\"#installerer-colorblindr-et-ses-dependances\">Installerer colorblindr et ses d\u00e9pendances<\/a><\/li>\n<li><a href=\"#charger-les-packages-requis\">Charger les packages requis<\/a><\/li>\n<li><a href=\"#fonctions-r-cles\">Fonctions R cl\u00e9s<\/a><\/li>\n<li><a href=\"#creer-un-ggplot-de-base\">Cr\u00e9er un ggplot de base<\/a><\/li>\n<li><a href=\"#simulations-de-deficience-de-la-vision-des-couleurs\">Simulations de d\u00e9ficience de la vision des couleurs<\/a><\/li>\n<li><a href=\"#palettes-compatibles-avec-les-daltoniens\">Palettes compatibles avec les daltoniens<\/a><\/li>\n<li><a href=\"#nouveau-flux-de-travail-pour-la-conception-de-figures-et-dimages\">Nouveau flux de travail pour la conception de figures et d\u2019images<\/a><\/li>\n<li><a href=\"#conclusion\">Conclusion<\/a><\/li>\n<\/ul>\n<\/div>\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\/ggplot2-lessentiel-pour-une-visualisation-magnifique-des-donnees-dans-r\/' target='_blank'><span class='fa fa-book'><\/span><\/a><\/div><h4><a href='https:\/\/www.datanovia.com\/en\/fr\/produit\/ggplot2-lessentiel-pour-une-visualisation-magnifique-des-donnees-dans-r\/' target='_blank'> Livre Apparent\u00e9 <\/a><\/h4>GGPLOT2 - L\u2019Essentiel pour une Visualisation Magnifique des Donn\u00e9es dans R<\/div>\n<div class='dt-sc-hr-invisible-medium  '><\/div>\n<div id=\"installerer-colorblindr-et-ses-dependances\" class=\"section level2\">\n<h2>Installerer colorblindr et ses d\u00e9pendances<\/h2>\n<p>Cette section montre comment installer le package `colorblindr\u2019 et ses d\u00e9pendances.<\/p>\n<ol style=\"list-style-type: decimal;\" start=\"0\">\n<li>Installerer <code>devtools<\/code>, ce qui facilite l\u2019installation de la version de d\u00e9veloppement des autres packages<\/li>\n<\/ol>\n<pre class=\"r\"><code>if(require(devtools)) install.packages(\"devtools\")<\/code><\/pre>\n<ol style=\"list-style-type: decimal;\">\n<li>Installer <code>cowplot<\/code><\/li>\n<\/ol>\n<pre class=\"r\"><code>devtools::install_github(\"wilkelab\/cowplot\")<\/code><\/pre>\n<ol style=\"list-style-type: decimal;\" start=\"2\">\n<li>Installer <code>colorspace<\/code><\/li>\n<\/ol>\n<pre class=\"r\"><code># pour Windows utilisez ceci\r\ninstall.packages(\"colorspace\", repos = \"http:\/\/R-Forge.R-project.org\")\r\n\r\n# Ou pour MAC OS X \/Linux, utilisez ceci : \r\nURL &lt;- paste0(\"http:\/\/download.r-forge.r-project.org\/src\/contrib\/\",\r\n              \"colorspace_1.4-0.tar.gz\")\r\ndevtools::install_url(URL)<\/code><\/pre>\n<ol style=\"list-style-type: decimal;\" start=\"3\">\n<li>Installer <code>colorblindr<\/code><\/li>\n<\/ol>\n<pre class=\"r\"><code>devtools::install_github(\"clauswilke\/colorblindr\")<\/code><\/pre>\n<\/div>\n<div id=\"charger-les-packages-requis\" class=\"section level2\">\n<h2>Charger les packages requis<\/h2>\n<pre class=\"r\"><code>library(ggplot2)\r\nlibrary(cowplot)\r\nlibrary(colorspace)\r\nlibrary(colorblindr)<\/code><\/pre>\n<\/div>\n<div id=\"fonctions-r-cles\" class=\"section level2\">\n<h2>Fonctions R cl\u00e9s<\/h2>\n<p>Fonctions cl\u00e9s dans le package R <code>colorblindr<\/code>:<\/p>\n<ul>\n<li><code>cvd_grid()<\/code>: Cr\u00e9er une grille de diff\u00e9rentes simulations de d\u00e9ficience de la vision des couleurs d\u2019un graphique.<\/li>\n<li><code>edit_colors()<\/code>: Modifier les couleurs dans le graphique existant. Possibilit\u00e9 de modifier les couleurs dans les graphiques ggplot2 existants, les objets du package <code>grid<\/code> ou les graphiques de base R.<\/li>\n<li><code>scale_colour_OkabeIto()<\/code> ou <code>scale_color_OkabeIto()<\/code> et <code>scale_fill_OkabeIto()<\/code> : Il s\u2019agit d\u2019une \u00e9chelle qualitative adapt\u00e9e aux daltoniens, avec huit couleurs diff\u00e9rentes.<\/li>\n<\/ul>\n<\/div>\n<div id=\"creer-un-ggplot-de-base\" class=\"section level2\">\n<h2>Cr\u00e9er un ggplot de base<\/h2>\n<pre class=\"r\"><code>p &lt;- ggplot(iris, aes(Species, Sepal.Length)) +\r\n  geom_boxplot(aes(fill = Species)) +\r\n  theme_minimal() + \r\n  theme(legend.position = \"none\")\r\np<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/www.datanovia.com\/en\/wp-content\/uploads\/dn-tutorials\/ggplot2\/figures\/105-colorblind-vision-simulation-ggplot-1.png\" width=\"288\" \/><\/p>\n<\/div>\n<div id=\"simulations-de-deficience-de-la-vision-des-couleurs\" class=\"section level2\">\n<h2>Simulations de d\u00e9ficience de la vision des couleurs<\/h2>\n<p>La fonction <code>cvd_grid()<\/code> peut \u00eatre utilis\u00e9e pour montrer rapidement les formes les plus s\u00e9v\u00e8res de chaque d\u00e9ficience de vision des couleurs.<\/p>\n<pre class=\"r\"><code>cvd_grid(p)<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/www.datanovia.com\/en\/wp-content\/uploads\/dn-tutorials\/ggplot2\/figures\/105-colorblind-vision-simulation-color-vision-deficiency-simulation-cvd_grid-1.png\" width=\"576\" \/><\/p>\n<p>Il est \u00e9galement possible d\u2019\u00e9diter un graphique comme suit:<\/p>\n<pre class=\"r\"><code># Utiliser les fonctions deutan, protan ou tritan [dans le package colorspace]\r\np2 &lt;- edit_colors(p, deutan, sev = 0.7)\r\ncowplot::plot_grid(p, p2)<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/www.datanovia.com\/en\/wp-content\/uploads\/dn-tutorials\/ggplot2\/figures\/105-colorblind-vision-simulation-colorblindr-edit_colors-1.png\" width=\"576\" \/><\/p>\n<\/div>\n<div id=\"palettes-compatibles-avec-les-daltoniens\" class=\"section level2\">\n<h2>Palettes compatibles avec les daltoniens<\/h2>\n<p>Le package <code>colorblindr<\/code> est livr\u00e9 avec une \u00e9chelle de couleurs qui fonctionne mieux pour les personnes ayant une d\u00e9ficience de la vision des couleurs. Vous pouvez l\u2019utiliser pour modifier une couleur ggplot.<\/p>\n<p>Fonctions cl\u00e9s:<\/p>\n<ul>\n<li><code>scale_colour_OkabeIto()<\/code> ou <code>scale_color_OkabeIto()<\/code><\/li>\n<li><code>scale_fill_OkabeIto()<\/code><\/li>\n<\/ul>\n<p>Par exemple, tapez ceci:<\/p>\n<pre class=\"r\"><code># Figure avant simulation cvd (color vision deficiency)\r\np3 &lt;- p + scale_fill_OkabeIto()\r\np3<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/www.datanovia.com\/en\/wp-content\/uploads\/dn-tutorials\/ggplot2\/figures\/105-colorblind-vision-simulation-colorblind-palettes-1.png\" width=\"288\" \/><\/p>\n<p>Figure apr\u00e8s la simulation de la d\u00e9ficience de la vision des couleurs:<\/p>\n<pre class=\"r\"><code>cvd_grid(p3)<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/www.datanovia.com\/en\/wp-content\/uploads\/dn-tutorials\/ggplot2\/figures\/105-colorblind-vision-simulation-color-vision-deficiency-simulation-1.png\" width=\"576\" \/><\/p>\n<\/div>\n<div id=\"nouveau-flux-de-travail-pour-la-conception-de-figures-et-dimages\" class=\"section level2\">\n<h2>Nouveau flux de travail pour la conception de figures et d\u2019images<\/h2>\n<ol style=\"list-style-type: decimal;\">\n<li>Faire des figures ou des images<\/li>\n<li>V\u00e9rifiez les couleurs \u00e0 l\u2019aide de <code>cvd_grid()<\/code><\/li>\n<li>It\u00e9rer les choix de couleurs jusqu\u2019\u00e0 ce que les couleurs se distinguent dans toutes les conditions<\/li>\n<\/ol>\n<p>Plus d\u2019informations ici : <a href=\"http:\/\/jfly.iam.u-tokyo.ac.jp\/color\/\">Color Universal Design (CUD) - Comment faire des figures et des pr\u00e9sentations qui sont convenables pour les personnes daltoniennes<\/a><\/p>\n<\/div>\n<div id=\"conclusion\" class=\"section level2\">\n<h2>Conclusion<\/h2>\n<p>Cet article pr\u00e9sente comment simuler le daltonisme dans les figures pr\u00eates \u00e0 la production \u00e0 l\u2019aide du package R <code>colorblindr<\/code>.<\/p>\n<\/div>\n<\/div>\n<p><!--end rdoc--><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cet article d\u00e9crit comment simuler la vision daltonienne dans les figures de R pr\u00eates \u00e0 la production en utilisant le package colorblinr. Nous vous pr\u00e9senterons \u00e9galement une palette adapt\u00e9e aux [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":10723,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rating_form_position":"","rating_results_position":"","mr_structured_data_type":"","footnotes":""},"categories":[278],"tags":[284],"class_list":["post-10722","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-r-trucs-et-astuces","tag-couleurs-dans-r"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Comment Simuler la Vision d&#039;un Daltonien dans les Figures R - Datanovia<\/title>\n<meta name=\"description\" content=\"Apprenez comment simuler le daltonisme dans les figures R pr\u00eates \u00e0 la production \u00e0 l&#039;aide du package R colorblindr. 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