{"id":15913,"date":"2020-04-27T16:33:55","date_gmt":"2020-04-27T15:33:55","guid":{"rendered":"https:\/\/www.datanovia.com\/en\/?post_type=dt_lessons&#038;p=15913"},"modified":"2020-04-27T16:33:55","modified_gmt":"2020-04-27T15:33:55","slug":"highchart-interactive-treemap-in-r","status":"publish","type":"dt_lessons","link":"https:\/\/www.datanovia.com\/en\/lessons\/highchart-interactive-treemap-in-r\/","title":{"rendered":"Highchart Interactive Treemap in R"},"content":{"rendered":"<div id=\"rdoc\">\n<p>This article describes how to create an <strong>interactive treemap in R<\/strong> using the <strong>highcharter<\/strong> R package.<\/p>\n<p>Contents:<\/p>\n<div id=\"TOC\">\n<ul>\n<li><a href=\"#prerequisites\">Prerequisites<\/a><\/li>\n<li><a href=\"#data-preparation\">Data preparation<\/a><\/li>\n<li><a href=\"#basic-treemaps\">Basic treemaps<\/a><\/li>\n<li><a href=\"#change-colors\">Change colors<\/a><\/li>\n<\/ul>\n<\/div>\n<div id=\"prerequisites\" class=\"section level2\">\n<h2>Prerequisites<\/h2>\n<pre class=\"r\"><code># Load required R packages\r\nlibrary(tidyverse)\r\nlibrary(highcharter) \r\n\r\n# Set highcharter options\r\noptions(highcharter.theme = hc_theme_smpl(tooltip = list(valueDecimals = 2)))<\/code><\/pre>\n<\/div>\n<div id=\"data-preparation\" class=\"section level2\">\n<h2>Data preparation<\/h2>\n<pre class=\"r\"><code># Load a demo data\r\ndata(\"mpg\", package = \"ggplot2\")\r\n\r\n# Summary table\r\nsummary.table &lt;- mpg %&gt;% \r\n  group_by(manufacturer) %&gt;% \r\n  summarise(\r\n    nb_cars = n(), \r\n    nb_model = length(unique(model))\r\n    ) %&gt;% \r\n  arrange(-nb_cars, -nb_model)\r\nsummary.table<\/code><\/pre>\n<pre><code>## # A tibble: 15 x 3\r\n##   manufacturer nb_cars nb_model\r\n##   &lt;chr&gt;          &lt;int&gt;    &lt;int&gt;\r\n## 1 dodge             37        4\r\n## 2 toyota            34        6\r\n## 3 volkswagen        27        4\r\n## 4 ford              25        4\r\n## 5 chevrolet         19        4\r\n## 6 audi              18        3\r\n## # \u2026 with 9 more rows<\/code><\/pre>\n<\/div>\n<div id=\"basic-treemaps\" class=\"section level2\">\n<h2>Basic treemaps<\/h2>\n<pre class=\"r\"><code>hc &lt;- summary.table %&gt;%\r\n  hchart(\r\n    \"treemap\", \r\n    hcaes(x = manufacturer, value = nb_cars, color = nb_model)\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\/021-highcharter-treemap-basic-treemaps.html\" frameborder=\"2\"><br \/>\n<\/iframe><\/p>\n<\/div>\n<div id=\"change-colors\" class=\"section level2\">\n<h2>Change colors<\/h2>\n<pre class=\"r\"><code>hc &lt;- summary.table %&gt;%\r\n  hchart(\r\n    \"treemap\", \r\n    hcaes(x = manufacturer, value = nb_cars, color = nb_model)\r\n    ) %&gt;%\r\n  hc_colorAxis(stops = color_stops(colors = viridis::inferno(10)))<\/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\/021-highcharter-treemap-change-color.html\" frameborder=\"2\"><br \/>\n<\/iframe><\/p>\n<\/div>\n<\/div>\n<p><!--end rdoc--><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Describes how to create an interactive treemap in R using the highcharter R package.<\/p>\n","protected":false},"author":1,"featured_media":9194,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","class_list":["post-15913","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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