{"id":3448,"date":"2023-07-17T10:39:57","date_gmt":"2023-07-17T10:39:57","guid":{"rendered":"https:\/\/statorials.org\/pt\/ggplot-reorganiza-barras-empilhadas\/"},"modified":"2023-07-17T10:39:57","modified_gmt":"2023-07-17T10:39:57","slug":"ggplot-reorganiza-barras-empilhadas","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/ggplot-reorganiza-barras-empilhadas\/","title":{"rendered":"Como reorganizar barras em um gr\u00e1fico de barras empilhadas no ggplot2"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Voc\u00ea pode usar a seguinte sintaxe b\u00e1sica para reorganizar a posi\u00e7\u00e3o das barras em um gr\u00e1fico de barras empilhadas no ggplot2:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#specify order of bars (from top to bottom)<\/span>\ndf$fill_var &lt;- factor(df$fill_var, levels=c(' <span style=\"color: #ff0000;\">value1<\/span> ', ' <span style=\"color: #ff0000;\">value2<\/span> ', ' <span style=\"color: #ff0000;\">value3<\/span> ', ...))\n\n<span style=\"color: #008080;\">#create stacked bar chart\n<\/span>ggplot(df, aes(x=x_var, y=y_var, fill=fill_var)) + \n    geom_bar(position=' <span style=\"color: #ff0000;\">stack<\/span> ', stat=' <span style=\"color: #ff0000;\">identity<\/span> ')\n<\/strong><\/pre>\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: Reorganizar barras em um gr\u00e1fico de barras empilhadas no ggplot2<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Suponha que temos o seguinte quadro de dados em R que mostra os pontos marcados por diferentes jogadores de basquete:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create data frame\n<span style=\"color: #000000;\">df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (team=c('A', 'A', 'A', 'B', 'B', 'B', 'C', 'C', 'C'),\n                 position=c('G', 'F', 'C', 'G', 'F', 'C', 'G', 'F', 'C'),\n                 points=c(22, 12, 10, 30, 12, 17, 28, 23, 20))\n\n<span style=\"color: #008080;\">#view data frame\n<\/span>df\n\n  team position points\n1 AG 22\n2 AF12\n3 AC 10\n4 BG 30\n5 BF 12\n6 BC 17\n7 GC 28\n8 CF 23\n9 CC 20<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Se criarmos um gr\u00e1fico de barras empilhadas para visualizar os pontos marcados pelos jogadores de cada equipe, o ggplot2 empilhar\u00e1 automaticamente as barras em ordem alfab\u00e9tica:<\/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 stacked bar chart\n<\/span>ggplot(df, aes(x=team, y=points, fill=position)) + \n    geom_bar(position=' <span style=\"color: #ff0000;\">stack<\/span> ', stat=' <span style=\"color: #ff0000;\">identity<\/span> ')<\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-28816 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/reorganiser1.jpg\" alt=\"\" width=\"476\" height=\"472\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Observe que cada barra empilhada exibe a posi\u00e7\u00e3o (de cima para baixo) em ordem alfab\u00e9tica.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Para reorganizar as barras de uma maneira espec\u00edfica, podemos converter a vari\u00e1vel de posi\u00e7\u00e3o em um fator e usar o argumento de <strong>n\u00edveis<\/strong> para especificar a ordem em que as barras devem estar (de cima para baixo) no gr\u00e1fico de barras empilhadas:<\/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;\">#convert 'position' to factor and specify level order\n<\/span>df$position &lt;- factor(df$position, levels=c(' <span style=\"color: #ff0000;\">F<\/span> ', ' <span style=\"color: #ff0000;\">G<\/span> ', ' <span style=\"color: #ff0000;\">C<\/span> '))\n\n<span style=\"color: #008080;\">#create stacked bar chart\n<\/span>ggplot(df, aes(x=team, y=points, fill=position)) + \n    geom_bar(position=' <span style=\"color: #ff0000;\">stack<\/span> ', stat=' <span style=\"color: #ff0000;\">identity<\/span> ')<\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-28817 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/reorganiser2.jpg\" alt=\"\" width=\"476\" height=\"476\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">As barras agora est\u00e3o empilhadas (de cima para baixo) na ordem exata que especificamos no argumento <strong>de n\u00edveis<\/strong> .<\/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\/saltos-do-eixo-ggplot\/\" target=\"_blank\" rel=\"noopener\">Como definir quebras de eixo no ggplot2<\/a><br \/><a href=\"https:\/\/statorials.org\/pt\/definir-limites-do-eixo-ggplot2\/\" target=\"_blank\" rel=\"noopener\">Como definir limites de eixo no ggplot2<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/rotulos-de-legenda-do-ggplot\/\" target=\"_blank\" rel=\"noopener\">Como alterar os r\u00f3tulos das legendas no ggplot2<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Voc\u00ea pode usar a seguinte sintaxe b\u00e1sica para reorganizar a posi\u00e7\u00e3o das barras em um gr\u00e1fico de barras empilhadas no ggplot2: #specify order of bars (from top to bottom) df$fill_var &lt;- factor(df$fill_var, levels=c(&#8216; value1 &#8216;, &#8216; value2 &#8216;, &#8216; value3 &#8216;, &#8230;)) #create stacked bar chart ggplot(df, aes(x=x_var, y=y_var, fill=fill_var)) + geom_bar(position=&#8217; stack &#8216;, stat=&#8217; [&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-3448","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 reorganizar barras em um gr\u00e1fico de barras empilhadas no ggplot2 \u2013 Estatologia<\/title>\n<meta name=\"description\" content=\"Este tutorial explica como reorganizar a posi\u00e7\u00e3o das barras em um gr\u00e1fico de barras empilhadas 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\/ggplot-reorganiza-barras-empilhadas\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Como reorganizar barras em um gr\u00e1fico de barras empilhadas no ggplot2 \u2013 Estatologia\" \/>\n<meta property=\"og:description\" content=\"Este tutorial explica como reorganizar a posi\u00e7\u00e3o das barras em um gr\u00e1fico de barras empilhadas no ggplot2, com um exemplo.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pt\/ggplot-reorganiza-barras-empilhadas\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-17T10:39:57+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/reorganiser1.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\/ggplot-reorganiza-barras-empilhadas\/\",\"url\":\"https:\/\/statorials.org\/pt\/ggplot-reorganiza-barras-empilhadas\/\",\"name\":\"Como reorganizar barras em um gr\u00e1fico de barras empilhadas no ggplot2 \u2013 Estatologia\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pt\/#website\"},\"datePublished\":\"2023-07-17T10:39:57+00:00\",\"dateModified\":\"2023-07-17T10:39:57+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\"},\"description\":\"Este tutorial explica como reorganizar a posi\u00e7\u00e3o das barras em um gr\u00e1fico de barras empilhadas no ggplot2, com um exemplo.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pt\/ggplot-reorganiza-barras-empilhadas\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pt\/ggplot-reorganiza-barras-empilhadas\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pt\/ggplot-reorganiza-barras-empilhadas\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Lar\",\"item\":\"https:\/\/statorials.org\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Como reorganizar barras em um gr\u00e1fico de barras empilhadas 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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