{"id":3353,"date":"2023-07-17T22:44:22","date_gmt":"2023-07-17T22:44:22","guid":{"rendered":"https:\/\/statorials.org\/pt\/forma-do-ponto-ggplot\/"},"modified":"2023-07-17T22:44:22","modified_gmt":"2023-07-17T22:44:22","slug":"forma-do-ponto-ggplot","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/forma-do-ponto-ggplot\/","title":{"rendered":"Como alterar a forma do ponto no ggplot2"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Voc\u00ea pode usar o argumento <b>shape<\/b> para alterar a forma dos pontos em um gr\u00e1fico de dispers\u00e3o ggplot2:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong>ggplot(df, aes(x=x, y=y)) +\n  geom_point(shape= <span style=\"color: #008000;\">19<\/span> )<\/strong><\/span><\/pre>\n<p> <span style=\"color: #000000;\">O valor padr\u00e3o da forma \u00e9 <strong>19<\/strong> (um c\u00edrculo preenchido), mas voc\u00ea pode especificar qualquer valor entre <strong>0<\/strong> e <strong>25.<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">O gr\u00e1fico a seguir mostra as formas que correspondem a cada valor:<\/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 data frame\n<\/span>df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (x=0:25, y=0:25)\n\n<span style=\"color: #008080;\">#create scatterplot\n<\/span>ggplot(df, aes(x=x, y=y)) +\n  geom_point(shape=0:25, size= <span style=\"color: #008000;\">4<\/span> )<\/strong><\/span> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-28172\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/forme-geometrique1.jpg\" alt=\"lista ggplot2 de formas de pontos\" width=\"472\" height=\"479\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\"><span style=\"color: #000000;\">Os exemplos a seguir mostram como alterar o argumento <strong>shape<\/strong> em diferentes gr\u00e1ficos de dispers\u00e3o ggplot2.<\/span><\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Exemplo 1: Crie um caminho com uma forma padr\u00e3o<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como criar um gr\u00e1fico de dispers\u00e3o em ggplot2 usando a forma padr\u00e3o (c\u00edrculo preenchido) para os pontos:<\/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 data frame\n<\/span>df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (x=0:25, y=0:25)\n\n<span style=\"color: #008080;\">#create scatter plot with default point shape\n<\/span>ggplot(df, aes(x=x, y=y)) +\n  geom_point(size= <span style=\"color: #008000;\">4<\/span> )<\/strong><\/span> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-28174 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/forme-geometrique2.jpg\" alt=\"\" width=\"471\" height=\"466\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Como n\u00e3o usamos o argumento <strong>shape<\/strong> para especificar a forma de um ponto, ggplot2 usou a forma padr\u00e3o de um c\u00edrculo preenchido.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Exemplo 2: Crie um caminho com uma forma personalizada<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como criar um gr\u00e1fico de dispers\u00e3o em ggplot2 usando um tri\u00e2ngulo vazio (shape=2) para o formato do ponto:<\/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 data frame\n<\/span>df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (x=0:25, y=0:25)\n\n<span style=\"color: #008080;\">#create scatter plot with custom point shape\n<\/span>ggplot(df, aes(x=x, y=y)) +\n  geom_point(shape= <span style=\"color: #008080;\">2<\/span> , size= <span style=\"color: #008000;\">4<\/span> )<\/strong><\/span> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-28175 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/forme-geometrique3.jpg\" alt=\"\" width=\"479\" height=\"479\" srcset=\"\" sizes=\"auto, \"><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Exemplo 3: Crie um gr\u00e1fico com uma forma baseada em valor<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como criar um gr\u00e1fico de dispers\u00e3o em ggplot2 onde a forma dos pontos \u00e9 baseada no valor de uma vari\u00e1vel espec\u00edfica no quadro de dados:<\/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 data frame\n<\/span>df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (team=c('A', 'A', 'B', 'B', 'C', 'C'),\n                 points=c(8, 11, 13, 15, 19, 25),\n                 assists=c(4, 8, 7, 10, 11, 7))\n\n<span style=\"color: #008080;\">#create scatter plot where point shape is based on team\n<\/span>ggplot(df, aes(x=points, y=assists, group=team)) +\n  geom_point(aes(shape=team, color=team), size= <span style=\"color: #008000;\">4<\/span> )<\/strong><\/span> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-28176 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/forme-geometrique4.jpg\" alt=\"\" width=\"479\" height=\"483\" srcset=\"\" sizes=\"auto, \"> <span style=\"color: #000000;\">Observe que a forma e a cor dos pontos no gr\u00e1fico s\u00e3o baseadas no valor da vari\u00e1vel <strong>equipe<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Observe que o ggplot2 tamb\u00e9m produz automaticamente uma legenda no lado direito do gr\u00e1fico para mostrar quais pontos correspondem a qual equipe.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Nota<\/strong> : Voc\u00ea pode encontrar a documenta\u00e7\u00e3o completa da fun\u00e7\u00e3o <strong>geom_point()<\/strong> <a href=\"https:\/\/ggplot2.tidyverse.org\/reference\/geom_point.html\" target=\"_blank\" rel=\"noopener\">aqui<\/a> .<\/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 opera\u00e7\u00f5es comuns no ggplot2:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/pt\/alterar-o-titulo-da-legenda-ggplot2\/\" target=\"_blank\" rel=\"noopener\">Como alterar o t\u00edtulo da 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><br \/> <a href=\"https:\/\/statorials.org\/pt\/r-nao-foi-possivel-encontrar-a-funcao-ggplot\/\" target=\"_blank\" rel=\"noopener\">Como corrigir em R: N\u00e3o \u00e9 poss\u00edvel encontrar a fun\u00e7\u00e3o \u201cggplot\u201d<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Voc\u00ea pode usar o argumento shape para alterar a forma dos pontos em um gr\u00e1fico de dispers\u00e3o ggplot2: ggplot(df, aes(x=x, y=y)) + geom_point(shape= 19 ) O valor padr\u00e3o da forma \u00e9 19 (um c\u00edrculo preenchido), mas voc\u00ea pode especificar qualquer valor entre 0 e 25. O gr\u00e1fico a seguir mostra as formas que correspondem a [&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-3353","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 a forma de um ponto no ggplot2 - Estatologia<\/title>\n<meta name=\"description\" content=\"Este tutorial explica como alterar a forma do ponto 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\/forma-do-ponto-ggplot\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Como alterar a forma de um ponto no ggplot2 - Estatologia\" \/>\n<meta property=\"og:description\" content=\"Este tutorial explica como alterar a forma do ponto no ggplot2, com v\u00e1rios exemplos.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pt\/forma-do-ponto-ggplot\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-17T22:44:22+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/forme-geometrique1.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\/forma-do-ponto-ggplot\/\",\"url\":\"https:\/\/statorials.org\/pt\/forma-do-ponto-ggplot\/\",\"name\":\"Como alterar a forma de um ponto no ggplot2 - Estatologia\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pt\/#website\"},\"datePublished\":\"2023-07-17T22:44:22+00:00\",\"dateModified\":\"2023-07-17T22:44:22+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\"},\"description\":\"Este tutorial explica como alterar a forma do ponto no ggplot2, com v\u00e1rios exemplos.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pt\/forma-do-ponto-ggplot\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pt\/forma-do-ponto-ggplot\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pt\/forma-do-ponto-ggplot\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Lar\",\"item\":\"https:\/\/statorials.org\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Como alterar a forma do ponto 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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