{"id":3597,"date":"2023-07-16T15:26:29","date_gmt":"2023-07-16T15:26:29","guid":{"rendered":"https:\/\/statorials.org\/pt\/sob-o-titulo-ggplot\/"},"modified":"2023-07-16T15:26:29","modified_gmt":"2023-07-16T15:26:29","slug":"sob-o-titulo-ggplot","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/sob-o-titulo-ggplot\/","title":{"rendered":"Como adicionar uma legenda no ggplot2 (3 exemplos)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Voc\u00ea pode usar os seguintes m\u00e9todos para adicionar uma legenda aos gr\u00e1ficos no ggplot2:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>M\u00e9todo 1: adicionar uma legenda<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #000000;\">p+\n  labs(title=' <span style=\"color: #ff0000;\">My Title<\/span> ', subtitle=' <span style=\"color: #ff0000;\">My Subtitle<\/span> ')\n<\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>M\u00e9todo 2: adicionar uma legenda com v\u00e1rias linhas<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #000000;\">p+\n  labs(title=' <span style=\"color: #ff0000;\">My Title<\/span> ', subtitle=' <span style=\"color: #ff0000;\">My Subtitle Line1\\nLine2\\nLine3<\/span> ')<\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>M\u00e9todo 3: adicionar uma legenda com uma fonte personalizada<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #000000;\">p+\n  labs(title=' <span style=\"color: #ff0000;\">My Title<\/span> ', subtitle=' <span style=\"color: #ff0000;\">My Subtitle Line1\\nLine2\\nLine3<\/span> ') +\n  theme(plot. <span style=\"color: #3366ff;\">subtitle<\/span> =element_text(size= <span style=\"color: #008000;\">18<\/span> , face=' <span style=\"color: #ff0000;\">italic<\/span> ', color=' <span style=\"color: #ff0000;\">red<\/span> '))<\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Os exemplos a seguir mostram como usar cada m\u00e9todo na pr\u00e1tica com o seguinte quadro de dados em R:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008080;\">#create data frame<\/span>\ndf &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (hours=c(1, 2, 2, 3, 4, 6, 7, 7, 8, 9),\n                 score=c(76, 77, 75, 79, 84, 88, 85, 94, 95, 90))\n\n<span style=\"color: #008080;\">#view data frame\n<\/span>df\n\n   hours score\n1 1 76\n2 2 77\n3 2 75\n4 3 79\n5 4 84\n6 6 88\n7 7 85\n8 7 94\n9 8 95\n10 9 90\n<\/strong><\/span><\/pre>\n<h2> <span style=\"color: #000000;\"><strong>Exemplo 1: Adicione uma legenda no ggplot2<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como adicionar uma legenda de uma linha a um gr\u00e1fico de dispers\u00e3o no ggplot2:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008000;\">library<\/span> (ggplot2)\n\n<span style=\"color: #008080;\">#create scatter plot with subtitle on one line\n<\/span>ggplot(df, aes(x=hours, y=score)) +\n  geom_point(size= <span style=\"color: #008000;\">2<\/span> ) +\n  labs(title=' <span style=\"color: #ff0000;\">Hours Studied vs. Exam Score<\/span> ',\n       subtitle=' <span style=\"color: #ff0000;\">Data Collected in 2022<\/span> ')<\/strong><\/span> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-29652 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/sous-titre1.jpg\" alt=\"\" width=\"513\" height=\"434\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Observe que uma legenda de uma linha foi adicionada diretamente abaixo do t\u00edtulo da trama.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Exemplo 2: Adicione uma legenda multilinha no ggplot2<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como adicionar uma legenda de v\u00e1rias linhas a um gr\u00e1fico de dispers\u00e3o no ggplot2:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008000;\">library<\/span> (ggplot2)\n\n<span style=\"color: #008080;\">#create scatter plot with subtitle on multiple lines\n<\/span>ggplot(df, aes(x=hours, y=score)) +\n  geom_point(size= <span style=\"color: #008000;\">2<\/span> ) +\n  labs(title=' <span style=\"color: #ff0000;\">Hours Studied vs. Exam Score<\/span> ',\n       subtitle=' <span style=\"color: #ff0000;\">Data Collected in 2022\\nUniversity A Exam Scores<\/span> ')<\/strong><\/span> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-29653\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/sous-titre2-1.jpg\" alt=\"legenda multilinha em ggplot2\" width=\"532\" height=\"444\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Usando a sintaxe de nova linha ( <strong>\\n<\/strong> ), podemos criar uma legenda com v\u00e1rias linhas.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Exemplo 3: Adicione uma legenda com uma fonte personalizada<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como usar a fun\u00e7\u00e3o <strong>theme()<\/strong> em ggplot2 para adicionar uma legenda com tamanho, estilo e cor de fonte personalizados:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008000;\">library<\/span> (ggplot2)\n\n<span style=\"color: #008080;\">#create scatter plot with subtitle that has customized font\n<\/span>ggplot(df, aes(x=hours, y=score)) +\n  geom_point(size= <span style=\"color: #008000;\">2<\/span> ) +\n  labs(title=' <span style=\"color: #ff0000;\">Hours Studied vs. Exam Score<\/span> ',\n       subtitle=' <span style=\"color: #ff0000;\">Data Collected in 2022\\nUniversity A Exam Scores<\/span> ') +\n  theme(plot. <span style=\"color: #3366ff;\">subtitle<\/span> =element_text(size= <span style=\"color: #008000;\">18<\/span> , face=' <span style=\"color: #ff0000;\">italic<\/span> ', color=' <span style=\"color: #ff0000;\">red<\/span> '))<\/strong><\/span> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-29654\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/sous-titre3.jpg\" alt=\"Legenda ggplot2 com fonte personalizada\" width=\"493\" height=\"416\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Observe que a legenda agora tem tamanho de fonte 18, estilo it\u00e1lico e cor vermelha.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Nota<\/strong> : Voc\u00ea tamb\u00e9m pode usar <strong>face=&#8217;bold&#8217;<\/strong> para usar um estilo de fonte em negrito.<\/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\/legenda-do-ggplot\/\" target=\"_blank\" rel=\"noopener\">Como adicionar uma legenda aos gr\u00e1ficos ggplot2<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/tamanho-da-fonte-ggplot\/\" target=\"_blank\" rel=\"noopener\">Como alterar o tamanho da fonte 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><br \/> <a href=\"https:\/\/statorials.org\/pt\/girar-rotulos-de-eixo-ggplot2\/\" target=\"_blank\" rel=\"noopener\">Como girar r\u00f3tulos de eixo no ggplot2<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Voc\u00ea pode usar os seguintes m\u00e9todos para adicionar uma legenda aos gr\u00e1ficos no ggplot2: M\u00e9todo 1: adicionar uma legenda p+ labs(title=&#8217; My Title &#8216;, subtitle=&#8217; My Subtitle &#8216;) M\u00e9todo 2: adicionar uma legenda com v\u00e1rias linhas p+ labs(title=&#8217; My Title &#8216;, subtitle=&#8217; My Subtitle Line1\\nLine2\\nLine3 &#8216;) M\u00e9todo 3: adicionar uma legenda com uma fonte personalizada [&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-3597","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 uma legenda no ggplot2 (3 exemplos) \u2013 Estatologia<\/title>\n<meta name=\"description\" content=\"Este tutorial explica como adicionar e editar uma legenda no ggplot2, com 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\/sob-o-titulo-ggplot\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Como adicionar uma legenda no ggplot2 (3 exemplos) \u2013 Estatologia\" \/>\n<meta property=\"og:description\" content=\"Este tutorial explica como adicionar e editar uma legenda no ggplot2, com v\u00e1rios exemplos.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pt\/sob-o-titulo-ggplot\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-16T15:26:29+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/sous-titre1.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\/sob-o-titulo-ggplot\/\",\"url\":\"https:\/\/statorials.org\/pt\/sob-o-titulo-ggplot\/\",\"name\":\"Como adicionar uma legenda no ggplot2 (3 exemplos) \u2013 Estatologia\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pt\/#website\"},\"datePublished\":\"2023-07-16T15:26:29+00:00\",\"dateModified\":\"2023-07-16T15:26:29+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\"},\"description\":\"Este tutorial explica como adicionar e editar uma legenda no ggplot2, com v\u00e1rios exemplos.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pt\/sob-o-titulo-ggplot\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pt\/sob-o-titulo-ggplot\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pt\/sob-o-titulo-ggplot\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Lar\",\"item\":\"https:\/\/statorials.org\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Como adicionar uma legenda no ggplot2 (3 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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