{"id":16007,"date":"2020-05-02T14:00:22","date_gmt":"2020-05-02T13:00:22","guid":{"rendered":"https:\/\/www.datanovia.com\/en\/?post_type=dt_lessons&#038;p=16007"},"modified":"2020-05-02T14:00:22","modified_gmt":"2020-05-02T13:00:22","slug":"highchart-bar-plot-interactif","status":"publish","type":"dt_lessons","link":"https:\/\/www.datanovia.com\/en\/fr\/lessons\/highchart-bar-plot-interactif\/","title":{"rendered":"Highchart Bar Plot Interactif"},"content":{"rendered":"<div id=\"rdoc\">\n<p>Vous apprendrez comment cr\u00e9er un <strong>bar plot interactif dans R<\/strong> en utilisant le package R highchart.<\/p>\n<p>Sommaire:<\/p>\n<div id=\"TOC\">\n<ul>\n<li><a href=\"#chargement-des-packages-r-r\u00e9quis\">Chargement des packages R r\u00e9quis<\/a><\/li>\n<li><a href=\"#pr\u00e9paration-des-donn\u00e9es\">Pr\u00e9paration des donn\u00e9es<\/a><\/li>\n<li><a href=\"#barplots-de-base\">Barplots de base<\/a><\/li>\n<li><a href=\"#changer-les-couleurs-des-bar-plots-par-groupes\">Changer les couleurs des bar plots par groupes<\/a><\/li>\n<li><a href=\"#barplots-avec-plusieurs-groupes\">Barplots avec plusieurs groupes<\/a><\/li>\n<\/ul>\n<\/div>\n<div id=\"chargement-des-packages-r-r\u00e9quis\" class=\"section level2\">\n<h2>Chargement des packages R r\u00e9quis<\/h2>\n<pre class=\"r\"><code># Charger les packages R requis\r\nlibrary(highcharter) \r\n# D\u00e9finir les options de highcharter\r\noptions(highcharter.theme = hc_theme_smpl(tooltip = list(valueDecimals = 2)))<\/code><\/pre>\n<\/div>\n<div id=\"pr\u00e9paration-des-donn\u00e9es\" class=\"section level2\">\n<h2>Pr\u00e9paration des donn\u00e9es<\/h2>\n<p>Nous allons cr\u00e9er deux data frames d\u00e9riv\u00e9es du jeu de donn\u00e9es <code>ToothGrowth<\/code>.<\/p>\n<pre class=\"r\"><code>df &lt;- data.frame(dose=c(\"D0.5\", \"D1\", \"D2\"),\r\n                len=c(4.2, 10, 29.5))\r\n\r\nhead(df)<\/code><\/pre>\n<pre><code>##   dose  len\r\n## 1 D0.5  4.2\r\n## 2   D1 10.0\r\n## 3   D2 29.5<\/code><\/pre>\n<pre class=\"r\"><code>df2 &lt;- data.frame(supp=rep(c(\"VC\", \"OJ\"), each=3),\r\n                dose=rep(c(\"D0.5\", \"D1\", \"D2\"),2),\r\n                len=c(6.8, 15, 33, 4.2, 10, 29.5))\r\n\r\nhead(df2)<\/code><\/pre>\n<pre><code>##   supp dose  len\r\n## 1   VC D0.5  6.8\r\n## 2   VC   D1 15.0\r\n## 3   VC   D2 33.0\r\n## 4   OJ D0.5  4.2\r\n## 5   OJ   D1 10.0\r\n## 6   OJ   D2 29.5<\/code><\/pre>\n<ul>\n<li><code>len<\/code>: Longueur des dents<\/li>\n<li><code>dose<\/code>: Dose en milligrammes (0,5, 1, 2)<\/li>\n<li><code>supp<\/code>: Type de suppl\u00e9ment (VC ou OJ)<\/li>\n<\/ul>\n<\/div>\n<div id=\"barplots-de-base\" class=\"section level2\">\n<h2>Barplots de base<\/h2>\n<p>Bar plot vertical basique:<\/p>\n<pre class=\"r\"><code>hc &lt;- df %&gt;%\r\n  hchart('column', hcaes(x = dose, y = len))<\/code><\/pre>\n<pre class=\"r\"><code>hc<\/code><\/pre>\n<p><iframe width=\"95%\" height=\"450\" src=\"https:\/\/www.datanovia.com\/en\/wp-content\/uploads\/dn-tutorials\/highcharter\/figures\/010-highcharter-barplot-basic-barplot.html\" frameborder=\"2\"><br \/>\n<\/iframe><\/p>\n<p>Faire un bar plot horizontal:<\/p>\n<pre class=\"r\"><code>hc &lt;- df %&gt;%\r\n  hchart(\r\n  'bar', hcaes(x = dose, y = len),\r\n  color = \"lightgray\", borderColor = \"black\"\r\n  )<\/code><\/pre>\n<pre class=\"r\"><code>hc<\/code><\/pre>\n<p><iframe width=\"95%\" height=\"450\" src=\"https:\/\/www.datanovia.com\/en\/wp-content\/uploads\/dn-tutorials\/highcharter\/figures\/010-highcharter-barplot-horizontal-barplot.html\" frameborder=\"2\"><br \/>\n<\/iframe><\/p>\n<p>Modifier la largeur des barres en utilisant l\u2019argument <code>pointWidth<\/code> (par exemple : largeur = 15).<\/p>\n<pre class=\"r\"><code># Modifier la largeur des barres\r\ndf %&gt;% hchart(\r\n  'column', hcaes(x = dose, y = len), \r\n  pointWidth = 15\r\n  )<\/code><\/pre>\n<\/div>\n<div id=\"changer-les-couleurs-des-bar-plots-par-groupes\" class=\"section level2\">\n<h2>Changer les couleurs des bar plots par groupes<\/h2>\n<p>Nous allons changer la couleur des traits et le remplissage des barres par groupe en fonction de la variable <code>dose<\/code>.<\/p>\n<pre class=\"r\"><code># Changer les couleurs de remplissage du barplot par groupes\r\nhc &lt;- df %&gt;% \r\n  hchart(\r\n  'column', hcaes(x = dose, y = len, color = dose)\r\n  )<\/code><\/pre>\n<pre class=\"r\"><code>hc<\/code><\/pre>\n<p><iframe width=\"95%\" height=\"450\" src=\"https:\/\/www.datanovia.com\/en\/wp-content\/uploads\/dn-tutorials\/highcharter\/figures\/010-highcharter-barplot-change-color-by-groups.html\" frameborder=\"2\"><br \/>\n<\/iframe><\/p>\n<\/div>\n<div id=\"barplots-avec-plusieurs-groupes\" class=\"section level2\">\n<h2>Barplots avec plusieurs groupes<\/h2>\n<p><strong>Cr\u00e9ez des histogrammes empil\u00e9s et decal\u00e9s<\/strong>. Utilisez les fonctions <code>hc_colors()<\/code> pour d\u00e9finir manuellement les couleurs des barres.<\/p>\n<p>Barres \u00e9cart\u00e9es:<\/p>\n<pre class=\"r\"><code>hc &lt;- df2 %&gt;% \r\n  hchart('column', hcaes(x = 'dose', y = 'len', group = 'supp')) %&gt;%\r\n  hc_colors(c(\"#0073C2FF\", \"#EFC000FF\"))<\/code><\/pre>\n<pre class=\"r\"><code>hc<\/code><\/pre>\n<p><iframe width=\"95%\" height=\"450\" src=\"https:\/\/www.datanovia.com\/en\/wp-content\/uploads\/dn-tutorials\/highcharter\/figures\/010-highcharter-barplot-dodged-bars.html\" frameborder=\"2\"><br \/>\n<\/iframe><\/p>\n<p>Bar plot empil\u00e9s:<\/p>\n<pre class=\"r\"><code>hc &lt;- df2 %&gt;% \r\n  hchart(\r\n    'column', hcaes(x = 'dose', y = 'len', group = 'supp'),\r\n    stacking = \"normal\"\r\n    ) %&gt;%\r\n  hc_colors(c(\"#0073C2FF\", \"#EFC000FF\"))<\/code><\/pre>\n<pre class=\"r\"><code>hc<\/code><\/pre>\n<p><iframe width=\"95%\" height=\"450\" src=\"https:\/\/www.datanovia.com\/en\/wp-content\/uploads\/dn-tutorials\/highcharter\/figures\/010-highcharter-barplot-stacked-bars.html\" frameborder=\"2\"><br \/>\n<\/iframe><\/p>\n<\/div>\n<\/div>\n<p><!--end rdoc--><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Vous apprendrez comment cr\u00e9er un Bar Plot interactif dans R en utilisant le package R highchart.<\/p>\n","protected":false},"author":1,"featured_media":16008,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","class_list":["post-16007","dt_lessons","type-dt_lessons","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.2 - 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