{"id":963,"date":"2023-07-28T04:16:09","date_gmt":"2023-07-28T04:16:09","guid":{"rendered":"https:\/\/statorials.org\/it\/rimuovere-gli-outlier-nei-boxplot-r\/"},"modified":"2023-07-28T04:16:09","modified_gmt":"2023-07-28T04:16:09","slug":"rimuovere-gli-outlier-nei-boxplot-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/it\/rimuovere-gli-outlier-nei-boxplot-r\/","title":{"rendered":"Come rimuovere gli outlier nei boxplot in r"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">A volte potresti voler rimuovere i valori anomali dai boxplot in R.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Questo tutorial spiega come farlo utilizzando sia base R che <a href=\"https:\/\/ggplot2.tidyverse.org\/\" target=\"_blank\" rel=\"noopener noreferrer\">ggplot2<\/a> .<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Rimuovere i valori anomali nei boxplot in Base R<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Supponiamo di avere il seguente set di dati:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>data &lt;- c(5, 8, 8, 12, 14, 15, 16, 19, 20, 22, 24, 25, 25, 26, 30, 48)<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Il codice seguente mostra come creare un boxplot per questo set di dati in base R:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>boxplot(data)\n<\/strong><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-10105 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/boite-a-moustachesr1.png\" alt=\"\" width=\"383\" height=\"331\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">Per rimuovere i valori anomali, puoi utilizzare l&#8217;argomento <strong>profile=FALSE<\/strong> :<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>boxplot(data, outline= <span style=\"color: #008000;\">FALSE<\/span> )<\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-10106 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/boite-a-moustachesr2.png\" alt=\"Boxplot con valore anomalo rimosso in R\" width=\"407\" height=\"339\" srcset=\"\" sizes=\"\"><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Rimuovi i valori anomali nei boxplot in ggplot2<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Supponiamo di avere il seguente set di dati:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>data &lt;- data.frame(y=c(5, 8, 8, 12, 14, 15, 16, 19, 20, 22, 24, 25, 25, 26, 30, 48))<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Il codice seguente mostra come creare un boxplot utilizzando la libreria di visualizzazione ggplot2:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #993300;\">library<\/span> (ggplot2)\n\nggplot(data, aes(y=y)) +\n  <span style=\"color: #3366ff;\">geom_boxplot<\/span> ()\n<\/strong><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-10107 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/boite-a-moustachesr3.png\" alt=\"\" width=\"399\" height=\"389\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">Per rimuovere i valori anomali, puoi utilizzare l&#8217;argomento <strong>outlier.shape=NA<\/strong> :<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>ggplot(data, aes(y=y)) +\n<span style=\"color: #3366ff;\">geom_boxplot<\/span> (outlier.shape = <span style=\"color: #008000;\">NA<\/span> )\n<\/strong><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-10108 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/boite-a-moustachesr4.png\" alt=\"boxplot ggplot2 con valori anomali rimossi\" width=\"401\" height=\"399\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">Tieni presente che ggplot2 non regola automaticamente l&#8217;asse y.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Per regolare l&#8217;asse y puoi usare <strong>coord_cartesian<\/strong> :<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>ggplot(data, aes(y=y)) +\n<span style=\"color: #3366ff;\">geom_boxplot<\/span> (outlier.shape = <span style=\"color: #008000;\">NA<\/span> ) +\n  <span style=\"color: #3366ff;\">coord_cartesian<\/span> (ylim=c(5, 30))<\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-10109 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/boite-a-moustachesr5.png\" alt=\"boxplot ggplot2 senza valori anomali\" width=\"402\" height=\"397\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">L&#8217;asse y ora varia da 5 a 30, come specificato utilizzando l&#8217;argomento <strong>ylim()<\/strong> .<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Risorse addizionali<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">I seguenti tutorial spiegano come eseguire altre operazioni comuni in ggplot2:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/it\/imposta-i-limiti-dellasse-ggplot2\/\" target=\"_blank\" rel=\"noopener noreferrer\">Come impostare i limiti degli assi in ggplot2<\/a><br \/> <a href=\"https:\/\/statorials.org\/it\/grafici-affiancati-ggplot2\/\" target=\"_blank\" rel=\"noopener noreferrer\">Come creare grafici affiancati in ggplot2<\/a><br \/> <a href=\"https:\/\/statorials.org\/it\/etichetta-i-valori-anomali-nei-boxplot-ggplot2\/\" target=\"_blank\" rel=\"noopener\">Come etichettare i valori anomali nei boxplot in ggplot2<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A volte potresti voler rimuovere i valori anomali dai boxplot in R. Questo tutorial spiega come farlo utilizzando sia base R che ggplot2 . Rimuovere i valori anomali nei boxplot in Base R Supponiamo di avere il seguente set di dati: data &lt;- c(5, 8, 8, 12, 14, 15, 16, 19, 20, 22, 24, 25, [&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 with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Come rimuovere i valori anomali nei boxplot in R - Statorials<\/title>\n<meta name=\"description\" content=\"Una semplice spiegazione di come rimuovere i valori anomali dai boxplot in R, inclusi diversi esempi.\" \/>\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\/it\/rimuovere-gli-outlier-nei-boxplot-r\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Come rimuovere i valori anomali nei boxplot in R - Statorials\" \/>\n<meta property=\"og:description\" content=\"Una semplice spiegazione di come rimuovere i valori anomali dai boxplot in R, inclusi diversi esempi.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/it\/rimuovere-gli-outlier-nei-boxplot-r\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-28T04:16:09+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/boite-a-moustachesr1.png\" \/>\n<meta name=\"author\" content=\"Benjamin anderson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Benjamin anderson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minuto\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/it\/rimuovere-gli-outlier-nei-boxplot-r\/\",\"url\":\"https:\/\/statorials.org\/it\/rimuovere-gli-outlier-nei-boxplot-r\/\",\"name\":\"Come rimuovere i valori anomali nei boxplot in R - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/it\/#website\"},\"datePublished\":\"2023-07-28T04:16:09+00:00\",\"dateModified\":\"2023-07-28T04:16:09+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/it\/#\/schema\/person\/0896f191fb9fb019f2cd8623112cb3ae\"},\"description\":\"Una semplice spiegazione di come rimuovere i valori anomali dai boxplot in R, inclusi diversi esempi.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/it\/rimuovere-gli-outlier-nei-boxplot-r\/#breadcrumb\"},\"inLanguage\":\"it-IT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/it\/rimuovere-gli-outlier-nei-boxplot-r\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/it\/rimuovere-gli-outlier-nei-boxplot-r\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Casa\",\"item\":\"https:\/\/statorials.org\/it\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Come rimuovere gli outlier nei boxplot in r\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/statorials.org\/it\/#website\",\"url\":\"https:\/\/statorials.org\/it\/\",\"name\":\"Statorials\",\"description\":\"La tua guida all&#039;alfabetizzazione statistica!\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/statorials.org\/it\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"it-IT\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/statorials.org\/it\/#\/schema\/person\/0896f191fb9fb019f2cd8623112cb3ae\",\"name\":\"Benjamin anderson\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"it-IT\",\"@id\":\"https:\/\/statorials.org\/it\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/statorials.org\/it\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"contentUrl\":\"https:\/\/statorials.org\/it\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"caption\":\"Benjamin anderson\"},\"description\":\"Ciao, sono Benjamin, un professore di statistica in pensione diventato insegnante dedicato di Statorials. 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