{"id":1656,"date":"2023-07-25T12:12:51","date_gmt":"2023-07-25T12:12:51","guid":{"rendered":"https:\/\/statorials.org\/it\/boxplot-orizzontale-a-r\/"},"modified":"2023-07-25T12:12:51","modified_gmt":"2023-07-25T12:12:51","slug":"boxplot-orizzontale-a-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/it\/boxplot-orizzontale-a-r\/","title":{"rendered":"Come creare box plot orizzontali in r"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Un <a href=\"https:\/\/statorials.org\/it\/baffi-di-scatola\/\" target=\"_blank\" rel=\"noopener\">boxplot<\/a> (a volte chiamato box-and-baffo) \u00e8 un grafico che mostra il riepilogo di cinque cifre di un set di dati, che include<\/span> <span style=\"color: #000000;\">i seguenti valori:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">Minimo<\/span><\/li>\n<li> <span style=\"color: #000000;\">Primo quartile<\/span><\/li>\n<li> <span style=\"color: #000000;\">Mediano<\/span><\/li>\n<li> <span style=\"color: #000000;\">Terzo quartile<\/span><\/li>\n<li> <span style=\"color: #000000;\">Massimo<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Per creare un boxplot orizzontale in base R, \u00e8 possibile utilizzare il seguente codice:<\/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;\">E per creare un boxplot orizzontale in <a href=\"https:\/\/ggplot2.tidyverse.org\/\" target=\"_blank\" rel=\"noopener\">ggplot2<\/a> , possiamo usare il seguente codice:<\/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;\">Gli esempi seguenti mostrano come creare boxplot orizzontali in R e ggplot2.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Esempio 1: boxplot orizzontali in base R<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Il codice seguente mostra come creare un boxplot orizzontale per una variabile in un frame di dati 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=\"\"><\/p>\n<p> <span style=\"color: #000000;\">Il codice seguente mostra come creare pi\u00f9 boxplot orizzontali basati su gruppi:<\/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=\"boxplot orizzontali in base R\" width=\"408\" height=\"370\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">Nota che l&#8217;argomento <strong>las=2<\/strong> dice a R di rendere le etichette dell&#8217;asse y perpendicolari all&#8217;asse.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Esempio 2: boxplot orizzontali in ggplot2<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Il codice seguente mostra come creare un boxplot orizzontale per una variabile 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=\"\"><\/p>\n<p> <span style=\"color: #000000;\">Il codice seguente mostra come creare pi\u00f9 boxplot orizzontali in ggplot2 in base ai gruppi:<\/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=\"boxplot orizzontali in R utilizzando ggplot2\" width=\"392\" height=\"387\" srcset=\"\" sizes=\"\"><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Risorse addizionali<\/strong><\/span><\/h3>\n<p> <a href=\"https:\/\/statorials.org\/it\/striscia-grafica-r\/\" target=\"_blank\" rel=\"noopener\">Come creare un grafico a barre in R<\/a><br \/> <a href=\"https:\/\/statorials.org\/it\/stack-del-barplot-in-r\/\" target=\"_blank\" rel=\"noopener\">Come creare un barplot in pila in R<\/a><br \/> <a href=\"https:\/\/statorials.org\/it\/diagramma-a-punti-nella-pila-r\/\" target=\"_blank\" rel=\"noopener\">Come creare un grafico di punti in pila in R<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Un boxplot (a volte chiamato box-and-baffo) \u00e8 un grafico che mostra il riepilogo di cinque cifre di un set di dati, che include i seguenti valori: Minimo Primo quartile Mediano Terzo quartile Massimo Per creare un boxplot orizzontale in base R, \u00e8 possibile utilizzare il seguente codice: #create one horizontal boxplot boxplot(df$values, horizontal= TRUE ) [&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":[],"yoast_head":"<!-- This site is optimized 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