{"id":3981,"date":"2023-07-14T09:06:35","date_gmt":"2023-07-14T09:06:35","guid":{"rendered":"https:\/\/statorials.org\/pl\/histogram-ggplot2-wedlug-grup\/"},"modified":"2023-07-14T09:06:35","modified_gmt":"2023-07-14T09:06:35","slug":"histogram-ggplot2-wedlug-grup","status":"publish","type":"post","link":"https:\/\/statorials.org\/pl\/histogram-ggplot2-wedlug-grup\/","title":{"rendered":"Jak tworzy\u0107 histogramy wed\u0142ug grup w ggplot2 (z przyk\u0142adem)"},"content":{"rendered":"

<\/p>\n

\n

Aby utworzy\u0107 histogram grupowy w ggplot2, mo\u017cesz u\u017cy\u0107 nast\u0119puj\u0105cej podstawowej sk\u0142adni:<\/span><\/p>\n

 ggplot(df, aes(x=values_var, fill=group_var)) +\n  geom_histogram(color=' black<\/span> ', alpha= 0.4<\/span> , position=' identity<\/span> ') +\n  scale_fill_manual(values=c(' red<\/span> ', ' blue<\/span> ', ' purple<\/span> '))\n<\/strong><\/pre>\n
 W tym konkretnym przyk\u0142adzie tworzony jest wykres z trzema nak\u0142adaj\u0105cymi si\u0119 histogramami koloru czerwonego, niebieskiego i fioletowego.<\/span><\/p>\n
 Poni\u017cszy przyk\u0142ad pokazuje, jak zastosowa\u0107 t\u0119 sk\u0142adni\u0119 w praktyce.<\/span><\/p>\n
 Przyk\u0142ad: utw\u00f3rz histogram wed\u0142ug grup w ggplot2<\/strong><\/span><\/h2>\n
 Za\u0142\u00f3\u017cmy, \u017ce mamy w R nast\u0119puj\u0105c\u0105 ramk\u0119 danych zawieraj\u0105c\u0105 informacje o punktach zdobytych przez koszykarzy z trzech r\u00f3\u017cnych dru\u017cyn:<\/span><\/span><\/p>\n
 #make this example reproducible\n<\/span>set. seeds<\/span> (1)\n\n#create data frame\n<\/span>df <- data. frame<\/span> (team=rep(c(' A<\/span> ', ' B<\/span> ', ' C<\/span> '), each=100),\n                 points=c(rnorm(100, mean=10),\n                          rnorm(100, mean=15),\n                          rnorm(100, mean=20)))\n\n#view head of data frame\n<\/span>head(df)\n\n  team points\n1 A 9.373546\n2 A 10.183643\n3 A 9.164371\n4 A 11.595281\n5 A 10.329508\n6 A 9.179532<\/strong><\/span><\/pre>\n
 Za pomoc\u0105 poni\u017cszego kodu mo\u017cemy utworzy\u0107 histogramy przedstawiaj\u0105ce rozk\u0142ad punkt\u00f3w zdobytych przez ka\u017cd\u0105 z trzech dru\u017cyn:<\/span> <\/p>\n
 library<\/span> (ggplot2)\n\n#create histogram by team\n<\/span>ggplot(df, aes(x=points, fill=team)) +\n  geom_histogram(color=' black<\/span> ', alpha= 0.4<\/span> , position=' identity<\/span> ') +\n  scale_fill_manual(values=c(' red<\/span> ', ' blue<\/span> ', ' purple<\/span> '))<\/strong><\/span> <\/pre>\n
\"\"<\/p>\n
 Trzy histogramy przedstawiaj\u0105 rozk\u0142ad punkt\u00f3w zdobytych przez zawodnik\u00f3w ka\u017cdej dru\u017cyny.<\/span><\/p>\n
 Legenda po prawej stronie wykresu pokazuje, jaki kolor odpowiada danej dru\u017cynie.<\/span><\/p>\n
 Nale\u017cy zauwa\u017cy\u0107, \u017ce argument koloru<\/strong> okre\u015bla kolor konturu s\u0142upk\u00f3w na ka\u017cdym histogramie, a argument alfa<\/strong> okre\u015bla przezroczysto\u015b\u0107 (od 0 do 1) u\u017cywan\u0105 dla s\u0142upk\u00f3w.<\/span><\/p>\n
 Ustawiaj\u0105c warto\u015b\u0107 alfa<\/strong> na mniej ni\u017c 1, mo\u017cemy zobaczy\u0107 nak\u0142adaj\u0105ce si\u0119 s\u0142upki pomi\u0119dzy histogramami.<\/span><\/p>\n
 Mo\u017cesz u\u017cy\u0107 funkcji labs()<\/strong> , aby zmodyfikowa\u0107 etykiety na wykresie i wybra\u0107 motyw ggplot2<\/a> , kt\u00f3ry pasuje do Twojego stylu:<\/span> <\/p>\n
 library<\/span> (ggplot2)\n\n#create histogram by team\n<\/span>ggplot(df, aes(x=points, fill=team)) +\n  geom_histogram(color=' black<\/span> ', alpha= 0.4<\/span> , position=' identity<\/span> ') +\n  scale_fill_manual(values=c(' red<\/span> ', ' blue<\/span> ', ' purple<\/span> ')) +\n  labs(fill=' Team<\/span> ', x=' Points Scored<\/span> ', y=' Count<\/span> ', title=' Points Scored by Team<\/span> ') +\n  theme_classic()<\/strong><\/span> <\/pre>\n
\"Histogram<\/p>\n
 Dodatkowe zasoby<\/strong><\/span><\/h2>\n
 Poni\u017csze samouczki wyja\u015bniaj\u0105, jak wykonywa\u0107 inne typowe zadania w j\u0119zyku R:<\/span><\/p>\n
 Jak utworzy\u0107 histogram cz\u0119stotliwo\u015bci wzgl\u0119dnej w R<\/a>
 Jak wykre\u015bli\u0107 wiele wykres\u00f3w skrzynkowych na jednym wykresie w R<\/a>
 Jak wykre\u015bli\u0107 wiele linii na wykresie w R<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
Aby utworzy\u0107 histogram grupowy w ggplot2, mo\u017cesz u\u017cy\u0107 nast\u0119puj\u0105cej podstawowej sk\u0142adni: ggplot(df, aes(x=values_var, fill=group_var)) + geom_histogram(color=’ black ’, alpha= 0.4 , position=’ identity ’) + scale_fill_manual(values=c(’ red ’, ’ blue ’, ’ purple ’)) W tym konkretnym przyk\u0142adzie tworzony jest wykres z trzema nak\u0142adaj\u0105cymi si\u0119 histogramami koloru czerwonego, niebieskiego i fioletowego. Poni\u017cszy przyk\u0142ad pokazuje, jak […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-3981","post","type-post","status-publish","format-standard","hentry","category-przewodnik"],"yoast_head":"\nJak tworzy\u0107 histogramy wed\u0142ug grup w ggplot2 (z przyk\u0142adem) - Statologia<\/title>\n<meta name=\"description\" content=\"W tym samouczku wyja\u015bniono, na przyk\u0142adzie, jak utworzy\u0107 histogram wed\u0142ug grup w ggplot2.\" \/>\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\/pl\/histogram-ggplot2-wedlug-grup\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Jak tworzy\u0107 histogramy wed\u0142ug grup w ggplot2 (z przyk\u0142adem) - Statologia\" \/>\n<meta property=\"og:description\" content=\"W tym samouczku wyja\u015bniono, na przyk\u0142adzie, jak utworzy\u0107 histogram wed\u0142ug grup w ggplot2.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pl\/histogram-ggplot2-wedlug-grup\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-14T09:06:35+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/histbygroup1.jpg\" \/>\n<meta name=\"author\" content=\"Benjamin Anderson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Napisane przez\" \/>\n\t<meta name=\"twitter:data1\" content=\"Benjamin Anderson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Szacowany czas czytania\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minuty\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/pl\/histogram-ggplot2-wedlug-grup\/\",\"url\":\"https:\/\/statorials.org\/pl\/histogram-ggplot2-wedlug-grup\/\",\"name\":\"Jak tworzy\u0107 histogramy wed\u0142ug grup w ggplot2 (z przyk\u0142adem) - Statologia\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pl\/#website\"},\"datePublished\":\"2023-07-14T09:06:35+00:00\",\"dateModified\":\"2023-07-14T09:06:35+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965\"},\"description\":\"W tym samouczku wyja\u015bniono, na przyk\u0142adzie, jak utworzy\u0107 histogram wed\u0142ug grup w ggplot2.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pl\/histogram-ggplot2-wedlug-grup\/#breadcrumb\"},\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pl\/histogram-ggplot2-wedlug-grup\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pl\/histogram-ggplot2-wedlug-grup\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Dom\",\"item\":\"https:\/\/statorials.org\/pl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Jak tworzy\u0107 histogramy wed\u0142ug grup w ggplot2 (z przyk\u0142adem)\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/statorials.org\/pl\/#website\",\"url\":\"https:\/\/statorials.org\/pl\/\",\"name\":\"Statorials\",\"description\":\"Tw\u00f3j przewodnik po kompetencjach statystycznych!\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/statorials.org\/pl\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"pl-PL\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965\",\"name\":\"Benjamin Anderson\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"pl-PL\",\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/statorials.org\/pl\/wp-content\/uploads\/2023\/11\/Benjamin-Anderson-96x96.jpg\",\"contentUrl\":\"https:\/\/statorials.org\/pl\/wp-content\/uploads\/2023\/11\/Benjamin-Anderson-96x96.jpg\",\"caption\":\"Benjamin Anderson\"},\"description\":\"Cze\u015b\u0107, jestem Benjamin i jestem emerytowanym profesorem statystyki, kt\u00f3ry zosta\u0142 oddanym nauczycielem Statorials. 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