{"id":3983,"date":"2023-07-14T08:54:44","date_gmt":"2023-07-14T08:54:44","guid":{"rendered":"https:\/\/statorials.org\/pt\/rotulos-de-histograma-ggplot\/"},"modified":"2023-07-14T08:54:44","modified_gmt":"2023-07-14T08:54:44","slug":"rotulos-de-histograma-ggplot","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/rotulos-de-histograma-ggplot\/","title":{"rendered":"Como adicionar r\u00f3tulos ao histograma no ggplot2 (com exemplo)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Voc\u00ea pode usar a seguinte sintaxe b\u00e1sica para adicionar r\u00f3tulos a um histograma no ggplot2:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>ggplot(data=df, aes(x=values_var)) + \n  geom_histogram(aes(fill=group_var), binwidth= <span style=\"color: #008000;\">1<\/span> , color=' <span style=\"color: #ff0000;\">black<\/span> ') +\n  stat_bin(binwidth= <span style=\"color: #008000;\">1<\/span> , geom=' <span style=\"color: #ff0000;\">text<\/span> ', color=' <span style=\"color: #ff0000;\">white<\/span> ', size= <span style=\"color: #008000;\">4<\/span> ,\n           aes(label=..count.., group=group_var), position=position_stack(vjust= <span style=\"color: #008000;\">0.5<\/span> ))\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Este exemplo espec\u00edfico adiciona um r\u00f3tulo branco para exibir a contagem de cada compartimento em cada categoria de um histograma.<\/span><\/p>\n<p> <span style=\"color: #000000;\">O exemplo a seguir mostra como usar essa sintaxe na pr\u00e1tica.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Exemplo: Adicionar r\u00f3tulos ao histograma em ggplot2<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Suponha que temos o seguinte quadro de dados em R que cont\u00e9m informa\u00e7\u00f5es sobre os pontos marcados por jogadores de basquete de tr\u00eas times diferentes:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008080;\">#make this example reproducible\n<\/span>set. <span style=\"color: #3366ff;\">seeds<\/span> (1)\n\n<span style=\"color: #008080;\">#create data frame\n<\/span>df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (team=rep(c(' <span style=\"color: #ff0000;\">A<\/span> ', ' <span style=\"color: #ff0000;\">B<\/span> ', ' <span style=\"color: #ff0000;\">C<\/span> '), each=100),\n                 points=c(runif(100, 5, 10),\n                          runif(100, 5, 10),\n                          runif(100, 5, 10)))\n\n<span style=\"color: #008080;\">#view head of data frame\n<\/span>head(df)\n\n  team points\n1 A 6.327543\n2 A 6.860619\n3 A 7.864267\n4 A 9.541039\n5 A 6.008410\n6 A 9.491948\n<\/strong><\/span><\/pre>\n<p> <span style=\"color: #000000;\">Podemos usar o c\u00f3digo a seguir para criar um histograma que mostre os pontos marcados pelos jogadores de cada equipe com r\u00f3tulos indicando a contagem de cada caixa:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">library<\/span> (ggplot2)\n\n<span style=\"color: #008080;\">#create histogram with labels for each bin<\/span>\nggplot(data=df, aes(x=points)) + \n  geom_histogram(aes(fill=team), binwidth= <span style=\"color: #008000;\">1<\/span> , color=' <span style=\"color: #ff0000;\">black<\/span> ') +\n  stat_bin(binwidth= <span style=\"color: #008000;\">1<\/span> , geom=' <span style=\"color: #ff0000;\">text<\/span> ', color=' <span style=\"color: #ff0000;\">white<\/span> ', size= <span style=\"color: #008000;\">4<\/span> ,\n           aes(label=..count.., group=team), position=position_stack(vjust= <span style=\"color: #008000;\">0.5<\/span> ))<\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-31897\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/laboratoires1.jpg\" alt=\"r\u00f3tulos de histograma ggplot\" width=\"602\" height=\"442\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Observe que cada compartimento possui uma etiqueta que exibe o n\u00famero de cada compartimento.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Observe que voc\u00ea pode alterar os valores de <strong>cor<\/strong> e <strong>tamanho<\/strong> na fun\u00e7\u00e3o <strong>stat_bin()<\/strong> para alterar a cor e o tamanho dos r\u00f3tulos, respectivamente.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Por exemplo, podemos usar a seguinte sintaxe para usar r\u00f3tulos pretos com tamanho de fonte aumentado:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">library<\/span> (ggplot2)\n\n<span style=\"color: #008080;\">#create histogram with labels for each bin<\/span>\nggplot(data=df, aes(x=points)) + \n  geom_histogram(aes(fill=team), binwidth= <span style=\"color: #008000;\">1<\/span> , color=' <span style=\"color: #ff0000;\">black<\/span> ') +\n  stat_bin(binwidth= <span style=\"color: #008000;\">1<\/span> , geom=' <span style=\"color: #ff0000;\">text<\/span> ', color=' <span style=\"color: #ff0000;\">black<\/span> ', size= <span style=\"color: #008000;\">6<\/span> ,\n           aes(label=..count.., group=team), position=position_stack(vjust= <span style=\"color: #008000;\">0.5<\/span> ))<\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-31898 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/laboratoires2.jpg\" alt=\"\" width=\"571\" height=\"416\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Os r\u00f3tulos de cada compartimento agora usam texto em preto e um tamanho de fonte maior.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Sinta-se \u00e0 vontade para brincar com os argumentos de <strong>cor<\/strong> e <strong>tamanho<\/strong> na fun\u00e7\u00e3o <strong>stat_bin()<\/strong> para fazer os r\u00f3tulos aparecerem da maneira que voc\u00ea deseja.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Recursos adicionais<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Os tutoriais a seguir explicam como realizar outras tarefas comuns em R:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/pt\/histograma-ggplot2-por-grupo\/\" target=\"_blank\" rel=\"noopener\">Como criar histogramas por grupo no ggplot2<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/porcentagem-do-histograma-ggplot\/\" target=\"_blank\" rel=\"noopener\">Como exibir porcentagens no histograma no ggplot2<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/caixas-de-histograma-ggplot\/\" target=\"_blank\" rel=\"noopener\">Como definir o n\u00famero de compartimentos para um histograma no ggplot2<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Voc\u00ea pode usar a seguinte sintaxe b\u00e1sica para adicionar r\u00f3tulos a um histograma no ggplot2: ggplot(data=df, aes(x=values_var)) + geom_histogram(aes(fill=group_var), binwidth= 1 , color=&#8217; black &#8216;) + stat_bin(binwidth= 1 , geom=&#8217; text &#8216;, color=&#8217; white &#8216;, size= 4 , aes(label=..count.., group=group_var), position=position_stack(vjust= 0.5 )) Este exemplo espec\u00edfico adiciona um r\u00f3tulo branco para exibir a contagem de [&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-3983","post","type-post","status-publish","format-standard","hentry","category-guia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Como adicionar r\u00f3tulos ao histograma no ggplot2 (com exemplo) - Estatologia<\/title>\n<meta name=\"description\" content=\"Este tutorial explica como adicionar r\u00f3tulos a um histograma no ggplot2, com um exemplo.\" \/>\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\/pt\/rotulos-de-histograma-ggplot\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Como adicionar r\u00f3tulos ao histograma no ggplot2 (com exemplo) - Estatologia\" \/>\n<meta property=\"og:description\" content=\"Este tutorial explica como adicionar r\u00f3tulos a um histograma no ggplot2, com um exemplo.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pt\/rotulos-de-histograma-ggplot\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-14T08:54:44+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/laboratoires1.jpg\" \/>\n<meta name=\"author\" content=\"Dr. benjamim anderson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Dr. benjamim anderson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tempo estimado de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/pt\/rotulos-de-histograma-ggplot\/\",\"url\":\"https:\/\/statorials.org\/pt\/rotulos-de-histograma-ggplot\/\",\"name\":\"Como adicionar r\u00f3tulos ao histograma no ggplot2 (com exemplo) - Estatologia\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pt\/#website\"},\"datePublished\":\"2023-07-14T08:54:44+00:00\",\"dateModified\":\"2023-07-14T08:54:44+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\"},\"description\":\"Este tutorial explica como adicionar r\u00f3tulos a um histograma no ggplot2, com um exemplo.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pt\/rotulos-de-histograma-ggplot\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pt\/rotulos-de-histograma-ggplot\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pt\/rotulos-de-histograma-ggplot\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Lar\",\"item\":\"https:\/\/statorials.org\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Como adicionar r\u00f3tulos ao histograma no ggplot2 (com exemplo)\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/statorials.org\/pt\/#website\",\"url\":\"https:\/\/statorials.org\/pt\/\",\"name\":\"Statorials\",\"description\":\"O seu guia para a literacia estat\u00edstica!\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/statorials.org\/pt\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"pt-PT\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\",\"name\":\"Dr. benjamim anderson\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"pt-PT\",\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/statorials.org\/pt\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"contentUrl\":\"https:\/\/statorials.org\/pt\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"caption\":\"Dr. benjamim anderson\"},\"description\":\"Ol\u00e1, sou Benjamin, um professor aposentado de estat\u00edstica que se tornou professor dedicado na Statorials. 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