{"id":1656,"date":"2023-07-25T12:12:51","date_gmt":"2023-07-25T12:12:51","guid":{"rendered":"https:\/\/statorials.org\/nl\/horizontale-boxplot-in-r\/"},"modified":"2023-07-25T12:12:51","modified_gmt":"2023-07-25T12:12:51","slug":"horizontale-boxplot-in-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/nl\/horizontale-boxplot-in-r\/","title":{"rendered":"Hoe u horizontale boxplots maakt in r"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Een <a href=\"https:\/\/statorials.org\/nl\/bakkebaarden\/\" target=\"_blank\" rel=\"noopener\">boxplot<\/a> (ook wel een box-and-whisker-plot genoemd) is een plot die de vijfcijferige samenvatting van een gegevensset weergeeft, die<\/span> <span style=\"color: #000000;\">de volgende waarden bevat:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">Minimum<\/span><\/li>\n<li> <span style=\"color: #000000;\">Eerste kwartiel<\/span><\/li>\n<li> <span style=\"color: #000000;\">Mediaan<\/span><\/li>\n<li> <span style=\"color: #000000;\">Derde kwartiel<\/span><\/li>\n<li> <span style=\"color: #000000;\">Maximaal<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Om een horizontale boxplot in basis R te maken, kunt u de volgende code gebruiken:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create one horizontal boxplot<\/span>\nboxplot(df$values, horizontal= <span style=\"color: #008000;\">TRUE<\/span> )\n\n<span style=\"color: #008080;\">#create several horizontal boxplots by group<\/span>\nboxplot(values~group, data=df, horizontal= <span style=\"color: #008000;\">TRUE<\/span> )\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">En om een horizontale boxplot in <a href=\"https:\/\/ggplot2.tidyverse.org\/\" target=\"_blank\" rel=\"noopener\">ggplot2<\/a> te maken, kunnen we de volgende code gebruiken:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create one horizontal boxplot<\/span>\nggplot(df, <span style=\"color: #3366ff;\">aes<\/span> (y=values)) + \n  geom_boxplot() +\n  coordinate_flip()\n<span style=\"color: #008080;\">#create several horizontal boxplots by group\n<span style=\"color: #000000;\">ggplot(df, <span style=\"color: #3366ff;\">aes<\/span> (x=group, y=values)) +<\/span>\n<span style=\"color: #000000;\">geom_boxplot() +<\/span>\n<span style=\"color: #000000;\">coordinate_flip()<\/span>\n<\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">De volgende voorbeelden laten zien hoe u horizontale boxplots maakt in R en ggplot2.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Voorbeeld 1: Horizontale boxplots in basis R<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">De volgende code laat zien hoe u een horizontale boxplot maakt voor een variabele in een dataframe in R:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create data<\/span>\ndf &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (points=c(7, 8, 9, 12, 12, 5, 6, 6, 8, 11, 6, 8, 9, 13, 17),\n                 team=rep(c(' <span style=\"color: #ff0000;\">A<\/span> ', ' <span style=\"color: #ff0000;\">B<\/span> ', ' <span style=\"color: #ff0000;\">C<\/span> '), each= <span style=\"color: #008000;\">5<\/span> ))\n\n<span style=\"color: #008080;\">#create horizontal boxplot for points\n<\/span>boxplot(df$points, horizontal= <span style=\"color: #008000;\">TRUE<\/span> , col=' <span style=\"color: #ff0000;\">steelblue<\/span> ')<\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-16329 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/horizontalbox1.png\" alt=\"\" width=\"354\" height=\"333\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">De volgende code laat zien hoe u meerdere horizontale boxplots maakt op basis van groepen:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create data<\/span>\ndf &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (points=c(7, 8, 9, 12, 12, 5, 6, 6, 8, 11, 6, 8, 9, 13, 17),\n                 team=rep(c(' <span style=\"color: #ff0000;\">A<\/span> ', ' <span style=\"color: #ff0000;\">B<\/span> ', ' <span style=\"color: #ff0000;\">C<\/span> '), each= <span style=\"color: #008000;\">5<\/span> ))\n\n<span style=\"color: #008080;\">#create horizontal boxplots grouped by team\n<\/span>boxplot(points~team, data=df, horizontal= <span style=\"color: #008000;\">TRUE<\/span> , col=' <span style=\"color: #ff0000;\">steelblue<\/span> ', las= <span style=\"color: #008000;\">2<\/span> )\n<\/strong><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-16330\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/h2.png\" alt=\"horizontale boxplots in basis R\" width=\"408\" height=\"370\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Merk op dat het argument <strong>las=2<\/strong> R vertelt om de labels van de y-as loodrecht op de as te maken.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Voorbeeld 2: Horizontale boxplots in ggplot2<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">De volgende code laat zien hoe u een horizontale boxplot maakt voor een variabele in ggplot2:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #993300;\">library<\/span> (ggplot2)<\/span>\n\n#create data<\/span>\ndf &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (points=c(7, 8, 9, 12, 12, 5, 6, 6, 8, 11, 6, 8, 9, 13, 17),\n                 team=rep(c(' <span style=\"color: #ff0000;\">A<\/span> ', ' <span style=\"color: #ff0000;\">B<\/span> ', ' <span style=\"color: #ff0000;\">C<\/span> '), each= <span style=\"color: #008000;\">5<\/span> ))\n\n<span style=\"color: #008080;\">#create horizontal boxplot for points\n<\/span>ggplot(df, <span style=\"color: #3366ff;\">aes<\/span> (y=points)) + \n  geom_boxplot(fill=' <span style=\"color: #ff0000;\">steelblue<\/span> ') +\n  coordinate_flip()\n<\/strong><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-16332 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/h3.png\" alt=\"\" width=\"333\" height=\"334\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">De volgende code laat zien hoe u meerdere horizontale boxplots in ggplot2 kunt maken op basis van groepen:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #993300;\">library<\/span> (ggplot2)<\/span>\n\n#create data<\/span>\ndf &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (points=c(7, 8, 9, 12, 12, 5, 6, 6, 8, 11, 6, 8, 9, 13, 17),\n                 team=rep(c(' <span style=\"color: #ff0000;\">A<\/span> ', ' <span style=\"color: #ff0000;\">B<\/span> ', ' <span style=\"color: #ff0000;\">C<\/span> '), each= <span style=\"color: #008000;\">5<\/span> ))\n\n<span style=\"color: #008080;\">#create horizontal boxplot for points\n<\/span>ggplot(df, <span style=\"color: #3366ff;\">aes<\/span> (x=team, y=points)) + \n  geom_boxplot(fill=' <span style=\"color: #ff0000;\">steelblue<\/span> ') +\n  coordinate_flip()<\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-16333 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/h4.png\" alt=\"horizontale boxplots in R met behulp van ggplot2\" width=\"392\" height=\"387\" srcset=\"\" sizes=\"auto, \"><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Aanvullende bronnen<\/strong><\/span><\/h3>\n<p> <a href=\"https:\/\/statorials.org\/nl\/grafische-strip-r\/\" target=\"_blank\" rel=\"noopener\">Hoe maak je een staafdiagram in R<\/a><br \/> <a href=\"https:\/\/statorials.org\/nl\/barplotstapels-in-r\/\" target=\"_blank\" rel=\"noopener\">Hoe maak je een gestapeld staafdiagram in R<\/a><br \/> <a href=\"https:\/\/statorials.org\/nl\/puntplot-in-r-stapel\/\" target=\"_blank\" rel=\"noopener\">Hoe u een gestapeld puntendiagram maakt in R<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Een boxplot (ook wel een box-and-whisker-plot genoemd) is een plot die de vijfcijferige samenvatting van een gegevensset weergeeft, die de volgende waarden bevat: Minimum Eerste kwartiel Mediaan Derde kwartiel Maximaal Om een horizontale boxplot in basis R te maken, kunt u de volgende code gebruiken: #create one horizontal boxplot boxplot(df$values, horizontal= TRUE ) #create several [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-1656","post","type-post","status-publish","format-standard","hentry","category-gids"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Horizontale boxplots maken in R - Statorials<\/title>\n<meta name=\"description\" content=\"In deze tutorial wordt uitgelegd hoe u horizontale boxplots maakt in basis R en ggplot2, met verschillende voorbeelden.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/statorials.org\/nl\/horizontale-boxplot-in-r\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta 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