{"id":461,"date":"2023-07-29T20:16:14","date_gmt":"2023-07-29T20:16:14","guid":{"rendered":"https:\/\/statorials.org\/nl\/meerdere-boxplots-r\/"},"modified":"2023-07-29T20:16:14","modified_gmt":"2023-07-29T20:16:14","slug":"meerdere-boxplots-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/nl\/meerdere-boxplots-r\/","title":{"rendered":"Hoe meerdere boxplots in \u00e9\u00e9n grafiek in r te plotten"},"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-whiskerplot genoemd) is een plot die de samenvatting van vijf cijfers van een reeks gegevens weergeeft.<\/span><\/p>\n<p> <span style=\"color: #000000;\">De samenvatting met vijf cijfers omvat:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">De minimumwaarde<\/span><\/li>\n<li> <span style=\"color: #000000;\">Het eerste kwartiel<\/span><\/li>\n<li> <span style=\"color: #000000;\">De gemiddelde waarde<\/span><\/li>\n<li> <span style=\"color: #000000;\">Het derde kwartiel<\/span><\/li>\n<li> <span style=\"color: #000000;\">De maximale waarde<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">In deze tutorial wordt uitgelegd hoe u meerdere boxplots in \u00e9\u00e9n plot in R kunt plotten, met behulp van Base R en ggplot2.<\/span><\/p>\n<h3> <strong><span style=\"color: #000000;\">R-gebaseerde boxplots<\/span><\/strong><\/h3>\n<p> <span style=\"color: #000000;\">Om te illustreren hoe boxplots in R gemaakt kunnen worden, zullen we werken met <strong>de luchtkwaliteitsdataset die in R is ingebouwd<\/strong> :<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#view first 6 rows of \"air quality\" dataset<\/span>\nhead(airquality)\n\n#Ozone Solar.R Wind Temp Month Day\n#1 41 190 7.4 67 5 1\n#2 36 118 8.0 72 5 2\n#3 12 149 12.6 74 5 3\n#4 18 313 11.5 62 5 4\n#5 NA NA 14.3 56 5 5\n#6 28 NA 14.9 66 5 6\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Om \u00e9\u00e9n boxplot voor de variabele \u201cOzon\u201d te maken, kunnen we de volgende syntaxis gebruiken:<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create boxplot for the variable \u201cOzone\u201d<\/span>\nboxplot(airquality$Ozone)\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Dit genereert de volgende boxplot:<\/span><\/p>\n<p> <span style=\"color: #000000;\">Stel dat we in plaats daarvan voor elke maand in de dataset een boxplot willen genereren. De volgende syntaxis laat zien hoe u dit doet:<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create boxplot that displays temperature distribution for each month in the dataset<\/span>\nboxplot(Temp~Month,\ndata=airquality,\nmain=\"Temperature Distribution by Month\",\nxlab=\"Month\",\nylab=\"Degrees (F)\",\ncol=\"steelblue\",\nborder=\"black\"\n)\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Dit genereert de volgende grafiek die voor elke maand een boxplot weergeeft:<\/span><\/p>\n<h3> <strong><span style=\"color: #000000;\">Boxplots in ggplot2<\/span><\/strong><\/h3>\n<p> <span style=\"color: #000000;\">Een andere manier om boxplots in R te maken is door het <em>ggplot2-<\/em> pakket te gebruiken. Voor de volgende voorbeelden zullen we de ingebouwde <strong>luchtkwaliteitdataset<\/strong> opnieuw gebruiken.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Om \u00e9\u00e9n boxplot te maken voor de variabele \u201cOzon\u201d in de luchtkwaliteitgegevensset, kunnen we de volgende syntaxis gebruiken:<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create boxplot for the variable \u201cOzone\u201d<\/span>\nlibrary(ggplot2)\n\nggplot(data = airquality, aes(y=Ozone)) + geom_boxplot()\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Dit genereert de volgende boxplot:<\/span><\/p>\n<p> <span style=\"color: #000000;\">Als we in plaats daarvan voor elke maand in de dataset een boxplot willen genereren, kunnen we daarvoor de volgende syntaxis gebruiken:<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create boxplot that displays temperature distribution for each month in the dataset<\/span>\nlibrary(ggplot2)\n\nggplot(data = airquality, aes(x=as.character(Month), y=Temp)) +\n    geom_boxplot(fill=\"steelblue\") +\n    labs(title=\"Temperature Distribution by Month\", x=\"Month\", y=\"Degrees (F)\")\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Dit genereert de volgende grafiek die voor elke maand een boxplot weergeeft:<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Aanvullende bronnen<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">De volgende tutorials bieden aanvullende informatie over boxplots:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/nl\/wanneer-u-de-boxplot-gebruikt\/\" target=\"_blank\" rel=\"noopener\">Wanneer moet je een boxplot gebruiken? (3 scenario&#8217;s)<\/a><br \/> <a href=\"https:\/\/statorials.org\/nl\/boxplot-symmetrie\/\" target=\"_blank\" rel=\"noopener\">Hoe asymmetrie in boxplots te identificeren<\/a><br \/> <a href=\"https:\/\/statorials.org\/nl\/boxplots-vergelijken\/\" target=\"_blank\" rel=\"noopener\">Boxplots vergelijken<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Een boxplot (ook wel een box-and-whiskerplot genoemd) is een plot die de samenvatting van vijf cijfers van een reeks gegevens weergeeft. De samenvatting met vijf cijfers omvat: De minimumwaarde Het eerste kwartiel De gemiddelde waarde Het derde kwartiel De maximale waarde In deze tutorial wordt uitgelegd hoe u meerdere boxplots in \u00e9\u00e9n plot in R [&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-461","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>Hoe u meerdere boxplots in \u00e9\u00e9n diagram kunt plotten in R - Statorials<\/title>\n<meta name=\"description\" content=\"Een eenvoudige tutorial die laat zien hoe je meerdere boxplots in \u00e9\u00e9n grafiek in R kunt plotten.\" \/>\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\/meerdere-boxplots-r\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hoe u meerdere boxplots in \u00e9\u00e9n diagram kunt plotten in R - Statorials\" \/>\n<meta property=\"og:description\" content=\"Een eenvoudige tutorial die laat zien hoe je meerdere boxplots in \u00e9\u00e9n grafiek in R kunt plotten.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/nl\/meerdere-boxplots-r\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-29T20:16:14+00:00\" \/>\n<meta name=\"author\" content=\"Dr.benjamin anderson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Verfasst von\" \/>\n\t<meta name=\"twitter:data1\" content=\"Dr.benjamin anderson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Gesch\u00e4tzte Lesezeit\" \/>\n\t<meta name=\"twitter:data2\" content=\"2\u00a0Minuten\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/nl\/meerdere-boxplots-r\/\",\"url\":\"https:\/\/statorials.org\/nl\/meerdere-boxplots-r\/\",\"name\":\"Hoe u meerdere boxplots in \u00e9\u00e9n diagram kunt plotten in R - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/nl\/#website\"},\"datePublished\":\"2023-07-29T20:16:14+00:00\",\"dateModified\":\"2023-07-29T20:16:14+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/nl\/#\/schema\/person\/d4b8842173cca1bb62cdec41860e4219\"},\"description\":\"Een eenvoudige tutorial die laat zien hoe je meerdere boxplots in \u00e9\u00e9n grafiek in R kunt plotten.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/nl\/meerdere-boxplots-r\/#breadcrumb\"},\"inLanguage\":\"de\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/nl\/meerdere-boxplots-r\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/nl\/meerdere-boxplots-r\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Thuis\",\"item\":\"https:\/\/statorials.org\/nl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Hoe meerdere boxplots in \u00e9\u00e9n grafiek in r te plotten\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/statorials.org\/nl\/#website\",\"url\":\"https:\/\/statorials.org\/nl\/\",\"name\":\"Statorials\",\"description\":\"Uw gids voor statistische competentie\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/statorials.org\/nl\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"de\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/statorials.org\/nl\/#\/schema\/person\/d4b8842173cca1bb62cdec41860e4219\",\"name\":\"Dr.benjamin anderson\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"de\",\"@id\":\"https:\/\/statorials.org\/nl\/#\/schema\/person\/image\/\",\"url\":\"http:\/\/statorials.org\/nl\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"contentUrl\":\"http:\/\/statorials.org\/nl\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"caption\":\"Dr.benjamin anderson\"},\"description\":\"Ik ben Benjamin, een gepensioneerde hoogleraar statistiek die nu een toegewijde Statorials-lesgever is. 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