{"id":2912,"date":"2023-07-20T03:17:30","date_gmt":"2023-07-20T03:17:30","guid":{"rendered":"https:\/\/statorials.org\/pt\/cores-padrao-do-ggplot\/"},"modified":"2023-07-20T03:17:30","modified_gmt":"2023-07-20T03:17:30","slug":"cores-padrao-do-ggplot","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/cores-padrao-do-ggplot\/","title":{"rendered":"Um guia completo para cores padr\u00e3o no ggplot2"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\"><span style=\"color: #000000;\">O pacote <a href=\"https:\/\/ggplot2.tidyverse.org\/\" target=\"_blank\" rel=\"noopener\">ggplot2<\/a><\/span><\/span> <span style=\"color: #000000;\">cont\u00e9m uma lista de cores padr\u00e3o usadas para elementos em um gr\u00e1fico com base no n\u00famero total de elementos.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Por exemplo, o c\u00f3digo a seguir mostra como criar um gr\u00e1fico de barras com tr\u00eas barras:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008000;\">library<\/span> (ggplot2)\n<\/span>\n#create data frame\n<span style=\"color: #000000;\">df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (team=c('A', 'B', 'C'),\n                 dots=c(22, 28, 15))<\/span>\n\n#create bar plot using df\n<span style=\"color: #000000;\">ggplot(df, aes(x=team, y=points, fill=team)) +\n  geom_bar(stat = \" <span style=\"color: #ff0000;\">identity<\/span> \")<\/span><\/span><\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-25372 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/teinte1-1.jpg\" alt=\"\" width=\"440\" height=\"450\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Por padr\u00e3o, o ggplot2 opta por usar um tom espec\u00edfico de vermelho, verde e azul para as barras.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Podemos usar <strong>hue_pal()<\/strong> do pacote <strong>scales<\/strong> para extrair os c\u00f3digos de cores hexadecimais reais usados no gr\u00e1fico:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">library<\/span> (scales)\n\n<span style=\"color: #008080;\">#extract hex color codes for a plot with three elements in ggplot2<\/span> \nhex &lt;- hue_pal()( <span style=\"color: #008000;\">3<\/span> )\n\n<span style=\"color: #008080;\">#display hex color codes\n<\/span>hex\n\n[1] \"#F8766D\" \"#00BA38\" \"#619CFF\"\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Veja como interpretar o resultado:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">O c\u00f3digo de cor hexadecimal para vermelho no gr\u00e1fico \u00e9 <strong>#F8766D<\/strong> .<\/span><\/li>\n<li> <span style=\"color: #000000;\">O c\u00f3digo de cor hexadecimal para verde no gr\u00e1fico \u00e9 <strong>#00BA38<\/strong> .<\/span><\/li>\n<li> <span style=\"color: #000000;\">O c\u00f3digo de cor hexadecimal para azul no gr\u00e1fico \u00e9 <strong>#619CFF<\/strong> .<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Tamb\u00e9m podemos usar <strong>show_col()<\/strong> do pacote <strong>scales<\/strong> para sobrepor os c\u00f3digos de cores hexadecimais em suas cores reais:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">library<\/span> (scales)\n\n<span style=\"color: #008080;\">#extract hex color codes for a plot with three elements in ggplot2<\/span> \nhex &lt;- hue_pal()( <span style=\"color: #008000;\">3<\/span> )\n\n<span style=\"color: #008080;\">#overlay hex color codes on actual colors\n<\/span>show_col(hex)\n<\/strong><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-25373\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/teinte2-1.jpg\" alt=\"c\u00f3digos de cores hexadecimais ggplot2\" width=\"460\" height=\"461\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">E podemos usar o c\u00f3digo a seguir para criar um gr\u00e1fico que exiba as cores padr\u00e3o do ggplot2 para gr\u00e1ficos com um a oito elementos:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">library<\/span> (scales)\n\n<span style=\"color: #008080;\">#set margins of plot area\n<\/span>by(may = c(0.1, 0, 0.1, 0), bg = \" <span style=\"color: #ff0000;\">grey85<\/span> \")\n\n<span style=\"color: #008080;\">#create plot with ggplot2 default colors from 1 to 8\n<\/span>gc. <span style=\"color: #3366ff;\">grid<\/span> &lt;- layout(matrix(1:8, nrow = <span style=\"color: #008000;\">8<\/span> ))\n<span style=\"color: #008000;\">for<\/span> (i <span style=\"color: #008000;\">in<\/span> 1:8){\n   gc. <span style=\"color: #3366ff;\">ramp<\/span> &lt;- hue_pal()(i)\n   plot(c(0, 8), c(0,1),\n        type=\" <span style=\"color: #ff0000;\">n<\/span> \", \n        bty=\" <span style=\"color: #ff0000;\">n<\/span> \", \n        xaxt=\" <span style=\"color: #ff0000;\">n<\/span> \", \n        yaxt=\" <span style=\"color: #ff0000;\">n<\/span> \", xlab=\"\", ylab=\"\")\n   <span style=\"color: #008000;\">for<\/span> (j <span style=\"color: #008000;\">in<\/span> 1:i){\n      rect(j - 1, 0, j - 0.25, 1, col = gc. <span style=\"color: #3366ff;\">ramp<\/span> [j])\n   }\n}<\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-25374 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/teinte3.jpg\" alt=\"cores padr\u00e3o do ggplot2\" width=\"454\" height=\"454\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">E podemos usar o c\u00f3digo a seguir para exibir os c\u00f3digos de cores hexadecimais para cada cor exibida no gr\u00e1fico:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">library<\/span> (scales)\n\n<span style=\"color: #008080;\">#display ggplot2 default hex color codes from 1 to 8\n<\/span><span style=\"color: #008000;\">for<\/span> (i <span style=\"color: #008000;\">in<\/span> 1:8){\n  <span style=\"color: #008000;\">print<\/span> (hue_pal()(i))\n}\n\n[1] \"#F8766D\"\n[1] \"#F8766D\" \"#00BFC4\"\n[1] \"#F8766D\" \"#00BA38\" \"#619CFF\"\n[1] \"#F8766D\" \"#7CAE00\" \"#00BFC4\" \"#C77CFF\"\n[1] \"#F8766D\" \"#A3A500\" \"#00BF7D\" \"#00B0F6\" \"#E76BF3\"\n[1] \"#F8766D\" \"#B79F00\" \"#00BA38\" \"#00BFC4\" \"#619CFF\" \"#F564E3\"\n[1] \"#F8766D\" \"#C49A00\" \"#53B400\" \"#00C094\" \"#00B6EB\" \"#A58AFF\" \"#FB61D7\"\n[1] \"#F8766D\" \"#CD9600\" \"#7CAE00\" \"#00BE67\" \"#00BFC4\" \"#00A9FF\" \"#C77CFF\" \"#FF61CC\"\n<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Recursos adicionais<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Os tutoriais a seguir explicam como realizar outras opera\u00e7\u00f5es comuns em R:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/pt\/melhores-temas-ggplot2\/\" target=\"_blank\" rel=\"noopener\">Um guia completo para os melhores temas ggplot2<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/tamanho-da-legenda-ggplot2\/\" target=\"_blank\" rel=\"noopener\">Como alterar o tamanho da legenda no ggplot2<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/remover-legenda-do-ggplot2\/\" target=\"_blank\" rel=\"noopener\">Como remover uma legenda no ggplot2<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>O pacote ggplot2 cont\u00e9m uma lista de cores padr\u00e3o usadas para elementos em um gr\u00e1fico com base no n\u00famero total de elementos. Por exemplo, o c\u00f3digo a seguir mostra como criar um gr\u00e1fico de barras com tr\u00eas barras: library (ggplot2) #create data frame df &lt;- data. frame (team=c(&#8216;A&#8217;, &#8216;B&#8217;, &#8216;C&#8217;), dots=c(22, 28, 15)) #create bar [&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-2912","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>Um guia completo para cores padr\u00e3o no ggplot2 - Statorials<\/title>\n<meta name=\"description\" content=\"Este tutorial fornece um guia completo para cores padr\u00e3o usando o pacote ggplot2 em R, incluindo v\u00e1rios exemplos.\" \/>\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\/cores-padrao-do-ggplot\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Um guia completo para cores padr\u00e3o no ggplot2 - Statorials\" \/>\n<meta property=\"og:description\" content=\"Este tutorial fornece um guia completo para cores padr\u00e3o usando o pacote ggplot2 em R, incluindo v\u00e1rios exemplos.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pt\/cores-padrao-do-ggplot\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-20T03:17:30+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/teinte1-1.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\/cores-padrao-do-ggplot\/\",\"url\":\"https:\/\/statorials.org\/pt\/cores-padrao-do-ggplot\/\",\"name\":\"Um guia completo para cores padr\u00e3o no ggplot2 - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pt\/#website\"},\"datePublished\":\"2023-07-20T03:17:30+00:00\",\"dateModified\":\"2023-07-20T03:17:30+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\"},\"description\":\"Este tutorial fornece um guia completo para cores padr\u00e3o usando o pacote ggplot2 em R, incluindo v\u00e1rios exemplos.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pt\/cores-padrao-do-ggplot\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pt\/cores-padrao-do-ggplot\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pt\/cores-padrao-do-ggplot\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Lar\",\"item\":\"https:\/\/statorials.org\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Um guia completo para cores padr\u00e3o no ggplot2\"}]},{\"@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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