{"id":1800,"date":"2023-07-24T22:39:38","date_gmt":"2023-07-24T22:39:38","guid":{"rendered":"https:\/\/statorials.org\/pt\/funcao-de-coleta-em-r\/"},"modified":"2023-07-24T22:39:38","modified_gmt":"2023-07-24T22:39:38","slug":"funcao-de-coleta-em-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/funcao-de-coleta-em-r\/","title":{"rendered":"Como usar a fun\u00e7\u00e3o gather em r (com exemplos)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">A fun\u00e7\u00e3o <strong>Gather()<\/strong> do pacote <a href=\"https:\/\/tidyr.tidyverse.org\/\" target=\"_blank\" rel=\"noopener\">Tidyr<\/a> pode ser usada para \u201creunir\u201d um par chave-valor em m\u00faltiplas colunas.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Esta fun\u00e7\u00e3o usa a seguinte sintaxe b\u00e1sica:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>coletar (dados, valor-chave, etc.)<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Ouro:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>data<\/strong> : nome do quadro de dados<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>key<\/strong> : Nome da coluna-chave a ser criada<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>valor<\/strong> : nome da coluna de valor a ser criada<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>\u2026<\/strong> : Especifique as colunas das quais coletar<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Os exemplos a seguir mostram como usar esta fun\u00e7\u00e3o na pr\u00e1tica.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Exemplo 1: Colete os valores de duas colunas<\/strong><\/span><\/h3>\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<\/span>\ndf &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (player=c('A', 'B', 'C', 'D'),\n                 year1=c(12, 15, 19, 19),\n                 year2=c(22, 29, 18, 12))\n\n<span style=\"color: #008080;\">#view data frame\n<\/span>df\n\n  player year1 year2\n1 to 12 22\n2 B 15 29\n3 C 19 18\n4 D 19 12<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Podemos usar a fun\u00e7\u00e3o <strong>reunir()<\/strong> para criar duas novas colunas chamadas \u201cano\u201d e \u201cpontos\u201d da seguinte forma:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #000000;\"><span style=\"color: #993300;\">library<\/span> (tidyr)\n<\/span>\n<span style=\"color: #008080;\">#gather data from columns 2 and 3<\/span>\ngather(df, key=\" <span style=\"color: #ff0000;\">year<\/span> \", value=\" <span style=\"color: #ff0000;\">points<\/span> \", 2:3)\n\n  player year points\n1 A year1 12\n2 B year1 15\n3 C year1 19\n4 D year1 19\n5 A year2 22\n6 B year2 29\n7 C year2 18\n8 D year2 12<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Exemplo 2: Colete valores de mais de duas colunas<\/strong><\/span><\/h3>\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<\/span>\ndf2 &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (player=c('A', 'B', 'C', 'D'),\n                  year1=c(12, 15, 19, 19),\n                  year2=c(22, 29, 18, 12),\n                  year3=c(17, 17, 22, 25))\n\n<span style=\"color: #008080;\">#view data frame\n<\/span>df2\n\n  player year1 year2 year3\n1 A 12 22 17\n2 B 15 29 17\n3 C 19 18 22\n4 D 19 12 25<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Podemos usar a fun\u00e7\u00e3o <strong>reunir()<\/strong> para \u201creunir\u201d os valores das colunas 2, 3 e 4 em duas novas colunas chamadas \u201cano\u201d e \u201cpontos\u201d da seguinte forma:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #000000;\"><span style=\"color: #993300;\">library<\/span> (tidyr)\n<\/span>\n<span style=\"color: #008080;\">#gather data from columns 2, 3, and 4<\/span>\ngather(df, key=\" <span style=\"color: #ff0000;\">year<\/span> \", value=\" <span style=\"color: #ff0000;\">points<\/span> \", 2:4)\n\n   player year points\n1 A year1 12\n2 B year1 15\n3 C year1 19\n4 D year1 19\n5 A year2 22\n6 B year2 29\n7 C year2 18\n8 D year2 12\n9 A year3 17\n10 B year3 17\n11 C year3 22\n12 D year3 25<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Recursos adicionais<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">O objetivo do pacote <strong>Tidyr<\/strong> \u00e9 criar dados \u201corganizados\u201d, que possuem as seguintes caracter\u00edsticas:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">Cada coluna \u00e9 uma vari\u00e1vel.<\/span><\/li>\n<li> <span style=\"color: #000000;\">Cada linha \u00e9 uma observa\u00e7\u00e3o.<\/span><\/li>\n<li> <span style=\"color: #000000;\">Cada c\u00e9lula \u00e9 um valor \u00fanico.<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">O pacote Tidyr usa quatro fun\u00e7\u00f5es principais para criar dados ordenados:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>1.<\/strong> A fun\u00e7\u00e3o <a href=\"https:\/\/statorials.org\/pt\/funcao-de-espalhamento-em-r\/\" target=\"_blank\" rel=\"noopener\"><strong>spread()<\/strong><\/a> .<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>2.<\/strong> A fun\u00e7\u00e3o <strong>reunir()<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>3.<\/strong> A fun\u00e7\u00e3o <a href=\"https:\/\/statorials.org\/pt\/funcao-separada-em-r\/\" target=\"_blank\" rel=\"noopener\"><strong>separada()<\/strong><\/a> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">4. A fun\u00e7\u00e3o <a href=\"https:\/\/statorials.org\/pt\/unir-funcao-em-r\/\" target=\"_blank\" rel=\"noopener\"><strong>unit()<\/strong><\/a> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Se voc\u00ea dominar essas quatro fun\u00e7\u00f5es, ser\u00e1 capaz de criar dados \u201corganizados\u201d a partir de qualquer quadro de dados.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A fun\u00e7\u00e3o Gather() do pacote Tidyr pode ser usada para \u201creunir\u201d um par chave-valor em m\u00faltiplas colunas. Esta fun\u00e7\u00e3o usa a seguinte sintaxe b\u00e1sica: coletar (dados, valor-chave, etc.) Ouro: data : nome do quadro de dados key : Nome da coluna-chave a ser criada valor : nome da coluna de valor a ser criada \u2026 [&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-1800","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 usar a fun\u00e7\u00e3o Gather em R (com exemplos)<\/title>\n<meta name=\"description\" content=\"Este tutorial explica como usar a fun\u00e7\u00e3o Gather() do pacote Tidyr em R, 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\/funcao-de-coleta-em-r\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Como usar a fun\u00e7\u00e3o Gather em R (com exemplos)\" \/>\n<meta property=\"og:description\" content=\"Este tutorial explica como usar a fun\u00e7\u00e3o Gather() do pacote Tidyr em R, com v\u00e1rios exemplos.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pt\/funcao-de-coleta-em-r\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-24T22:39:38+00:00\" \/>\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\/funcao-de-coleta-em-r\/\",\"url\":\"https:\/\/statorials.org\/pt\/funcao-de-coleta-em-r\/\",\"name\":\"Como usar a fun\u00e7\u00e3o Gather em R (com exemplos)\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pt\/#website\"},\"datePublished\":\"2023-07-24T22:39:38+00:00\",\"dateModified\":\"2023-07-24T22:39:38+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\"},\"description\":\"Este tutorial explica como usar a fun\u00e7\u00e3o Gather() do pacote Tidyr em R, com v\u00e1rios exemplos.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pt\/funcao-de-coleta-em-r\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pt\/funcao-de-coleta-em-r\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pt\/funcao-de-coleta-em-r\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Lar\",\"item\":\"https:\/\/statorials.org\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Como usar a fun\u00e7\u00e3o gather em r (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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