{"id":3289,"date":"2023-07-18T06:48:16","date_gmt":"2023-07-18T06:48:16","guid":{"rendered":"https:\/\/statorials.org\/pt\/ggplot2-muda-a-cor-da-linha\/"},"modified":"2023-07-18T06:48:16","modified_gmt":"2023-07-18T06:48:16","slug":"ggplot2-muda-a-cor-da-linha","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/ggplot2-muda-a-cor-da-linha\/","title":{"rendered":"Como alterar as cores das linhas no ggplot2 (com exemplos)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Voc\u00ea pode usar a seguinte sintaxe b\u00e1sica para especificar cores de linha em ggplot2:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>ggplot(df, aes(x=x, y=y, group=group_var, color=group_var)) + \n    geom_line() +\n    scale_color_manual(values=c(' <span style=\"color: #ff0000;\">color1<\/span> ', ' <span style=\"color: #ff0000;\">color2<\/span> ', ' <span style=\"color: #ff0000;\">color3<\/span> '))<\/strong>\n<\/pre>\n<p> <span style=\"color: #000000;\">O exemplo a seguir mostra como usar essa sintaxe na pr\u00e1tica.<\/span><\/p>\n<h2> <strong><span style=\"color: #000000;\">Exemplo: alterar as cores das linhas em ggplot2<\/span><\/strong><\/h2>\n<p> <span style=\"color: #000000;\">Suponha que temos o seguinte quadro de dados em R:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create data frame\n<\/span>df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (store=c('A', 'A', 'A', 'B', 'B', 'B', 'C', 'C', 'C'),\n                 week=c(1, 2, 3, 1, 2, 3, 1, 2, 3),\n                 sales=c(9, 12, 15, 7, 9, 14, 10, 16, 19))\n\n<span style=\"color: #008080;\">#view data frame\n<\/span>df\n\n  store week sales\n1 To 1 9\n2 to 2 12\n3 to 3 15\n4 B 1 7\n5 B 2 9\n6 B 3 14\n7 C 1 10\n8 C 2 16\n9 C 3 19\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Agora suponha que criemos o seguinte gr\u00e1fico de linhas em ggplot2 para visualizar o total de vendas por semana por loja:<\/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 line plot<\/span>\nggplot(df, aes(x=week, y=sales, group=store, color=store)) + \n    geom_line(size= <span style=\"color: #008000;\">2<\/span> )<\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-27817 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/couleur-de-ligne1.jpg\" alt=\"\" width=\"460\" height=\"466\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Por padr\u00e3o, o ggplot2 usa uma <a href=\"https:\/\/statorials.org\/pt\/cores-padrao-do-ggplot\/\" target=\"_blank\" rel=\"noopener\">paleta de cores padr\u00e3o<\/a> com vermelho, verde e azul para as linhas.<\/span><\/p>\n<p> <span style=\"color: #000000;\">No entanto, voc\u00ea pode usar a fun\u00e7\u00e3o <strong>scale_color_manual()<\/strong> para especificar suas pr\u00f3prias cores para as linhas:<\/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 line plot<\/span>\nggplot(df, aes(x=week, y=sales, group=store, color=store)) + \n    geom_line(size= <span style=\"color: #008000;\">2<\/span> ) +\n    scale_color_manual(values=c(' <span style=\"color: #ff0000;\">orange<\/span> ', ' <span style=\"color: #ff0000;\">pink<\/span> ', ' <span style=\"color: #ff0000;\">red<\/span> '))<\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-27818 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/couleur-de-ligne2.jpg\" alt=\"\" width=\"465\" height=\"474\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">As cores agora s\u00e3o laranja, rosa e vermelho.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Observe que voc\u00ea tamb\u00e9m pode usar c\u00f3digos de cores hexadecimais para especificar cores:<\/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 line plot<\/span>\nggplot(df, aes(x=week, y=sales, group=store, color=store)) + \n    geom_line(size= <span style=\"color: #008000;\">2<\/span> ) +\n    scale_color_manual(values=c(' <span style=\"color: #ff0000;\">#063970<\/span> ', ' <span style=\"color: #ff0000;\">#A69943<\/span> ', ' <span style=\"color: #ff0000;\">#7843a6<\/span> '))<\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-27819 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/couleur-de-ligne3.jpg\" alt=\"\" width=\"464\" height=\"463\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">As cores agora correspondem aos c\u00f3digos de cores hexadecimais espec\u00edficos que escolhemos.<\/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 no ggplot2:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/pt\/girar-rotulos-de-eixo-ggplot2\/\" target=\"_blank\" rel=\"noopener\">Como girar r\u00f3tulos de eixo no ggplot2<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/tamanho-do-ponto-ggplot\/\" target=\"_blank\" rel=\"noopener\">Como alterar o tamanho do ponto no ggplot2<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/adicione-texto-ao-ggplot\/\" target=\"_blank\" rel=\"noopener\">Como adicionar texto aos gr\u00e1ficos ggplot2<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Voc\u00ea pode usar a seguinte sintaxe b\u00e1sica para especificar cores de linha em ggplot2: ggplot(df, aes(x=x, y=y, group=group_var, color=group_var)) + geom_line() + scale_color_manual(values=c(&#8216; color1 &#8216;, &#8216; color2 &#8216;, &#8216; color3 &#8216;)) O exemplo a seguir mostra como usar essa sintaxe na pr\u00e1tica. Exemplo: alterar as cores das linhas em ggplot2 Suponha que temos o seguinte [&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-3289","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 alterar as cores das linhas no ggplot2 (com exemplos) - Estatologia<\/title>\n<meta name=\"description\" content=\"Este tutorial explica como alterar a cor das linhas nos gr\u00e1ficos criados pelo ggplot2, incluindo 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\/ggplot2-muda-a-cor-da-linha\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Como alterar as cores das linhas no ggplot2 (com exemplos) - Estatologia\" \/>\n<meta property=\"og:description\" content=\"Este tutorial explica como alterar a cor das linhas nos gr\u00e1ficos criados pelo ggplot2, incluindo exemplos.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pt\/ggplot2-muda-a-cor-da-linha\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-18T06:48:16+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/couleur-de-ligne1.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\/ggplot2-muda-a-cor-da-linha\/\",\"url\":\"https:\/\/statorials.org\/pt\/ggplot2-muda-a-cor-da-linha\/\",\"name\":\"Como alterar as cores das linhas no ggplot2 (com exemplos) - Estatologia\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pt\/#website\"},\"datePublished\":\"2023-07-18T06:48:16+00:00\",\"dateModified\":\"2023-07-18T06:48:16+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\"},\"description\":\"Este tutorial explica como alterar a cor das linhas nos gr\u00e1ficos criados pelo ggplot2, incluindo exemplos.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pt\/ggplot2-muda-a-cor-da-linha\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pt\/ggplot2-muda-a-cor-da-linha\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pt\/ggplot2-muda-a-cor-da-linha\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Lar\",\"item\":\"https:\/\/statorials.org\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Como alterar as cores das linhas no ggplot2 (com exemplos)\"}]},{\"@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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