{"id":2123,"date":"2023-07-23T14:31:10","date_gmt":"2023-07-23T14:31:10","guid":{"rendered":"https:\/\/statorials.org\/pt\/dplyr-renomear-coluna-por-indice\/"},"modified":"2023-07-23T14:31:10","modified_gmt":"2023-07-23T14:31:10","slug":"dplyr-renomear-coluna-por-indice","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/dplyr-renomear-coluna-por-indice\/","title":{"rendered":"Como renomear uma coluna por posi\u00e7\u00e3o de \u00edndice usando dplyr"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Voc\u00ea pode usar a seguinte sintaxe para renomear uma coluna de um quadro de dados por posi\u00e7\u00e3o de \u00edndice usando <a href=\"https:\/\/dplyr.tidyverse.org\/\" target=\"_blank\" rel=\"noopener\">dplyr<\/a> :<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>M\u00e9todo 1: renomear uma coluna por \u00edndice<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#rename column in index position 1<\/span>\ndf %&gt;%\n  <span style=\"color: #3366ff;\">rename<\/span> (new_name1 = 1)\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>M\u00e9todo 2: renomear v\u00e1rias colunas por \u00edndice<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#rename column in index positions 1, 2, and 3<\/span>\ndf %&gt;%\n  <span style=\"color: #3366ff;\">rename<\/span> (new_name1 = 1,\n         new_name2 = 2,\n         new_name3 = 3)<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Os exemplos a seguir mostram como usar essa sintaxe na pr\u00e1tica.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Exemplo 1: Renomear uma coluna por \u00edndice<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como usar a fun\u00e7\u00e3o <strong>rename()<\/strong> para renomear uma coluna por posi\u00e7\u00e3o de \u00edndice:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #ff0000;\">library<\/span> (dplyr)\n<\/span>\n#create data frame\n<span style=\"color: #000000;\">df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (team=c('A', 'A', 'A', 'A', 'B', 'B', 'B', 'B'),<\/span>\n<span style=\"color: #000000;\">points=c(12, 14, 19, 24, 24, 22, 30, 9),<\/span>\n<span style=\"color: #000000;\">assists=c(4, 6, 6, 8, 3, 7, 8, 11))<\/span>\n\n#rename column in index position 1\n<span style=\"color: #000000;\">df &lt;- df %&gt;%\n        <span style=\"color: #3366ff;\">rename<\/span> (team_new = 1)<\/span>\n\n#view updated data frame\n<span style=\"color: #000000;\">df<\/span>\n\n<span style=\"color: #000000;\">team_new points assists\n1 to 12 4\n2 to 14 6\n3 To 19 6\n4 to 24 8\n5 B 24 3\n6 B 22 7\n7 B 30 8\n8 B 9 11\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Observe que o nome da primeira coluna mudou de <strong>team<\/strong> para <strong>team_new<\/strong> e todos os outros nomes de colunas permaneceram os mesmos.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Exemplo 2: Renomear m\u00faltiplas colunas por \u00edndice<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como usar a fun\u00e7\u00e3o <strong>rename()<\/strong> para renomear v\u00e1rias colunas no quadro de dados por posi\u00e7\u00e3o de \u00edndice:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #ff0000;\">library<\/span> (dplyr)\n<\/span>\n#create data frame\n<span style=\"color: #000000;\">df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (team=c('A', 'A', 'A', 'A', 'B', 'B', 'B', 'B'),<\/span>\n<span style=\"color: #000000;\">points=c(12, 14, 19, 24, 24, 22, 30, 9),<\/span>\n<span style=\"color: #000000;\">assists=c(4, 6, 6, 8, 3, 7, 8, 11))<\/span>\n\n#rename column in index position 1\n<span style=\"color: #000000;\">df&lt;- df %&gt;%\n       <span style=\"color: #3366ff;\">rename<\/span> (team_new = 1,\n              assists_new = 3)<\/span>\n\n#view updated data frame\n<span style=\"color: #000000;\">df<\/span>\n\n<span style=\"color: #000000;\">team_new points assists_new\n1 to 12 4\n2 to 14 6\n3 To 19 6\n4 to 24 8\n5 B 24 3\n6 B 22 7\n7 B 30 8\n8 B 9 11<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Os nomes das colunas nas posi\u00e7\u00f5es de \u00edndice 1 e 3 foram alterados, enquanto o nome da coluna na posi\u00e7\u00e3o de \u00edndice 2 permaneceu o mesmo.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Recursos adicionais<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Os tutoriais a seguir explicam como executar outras fun\u00e7\u00f5es comuns no dplyr:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/pt\/dplyr-seleciona-colunas-por-indice\/\" target=\"_blank\" rel=\"noopener\">Como selecionar colunas por \u00edndice usando dplyr<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/dplyr-excluir-linhas\/\" target=\"_blank\" rel=\"noopener\">Como deletar linhas usando dplyr<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/dplyr-substitua-na-por-zero\/\" target=\"_blank\" rel=\"noopener\">Como substituir NA por Zero no dplyr<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Voc\u00ea pode usar a seguinte sintaxe para renomear uma coluna de um quadro de dados por posi\u00e7\u00e3o de \u00edndice usando dplyr : M\u00e9todo 1: renomear uma coluna por \u00edndice #rename column in index position 1 df %&gt;% rename (new_name1 = 1) M\u00e9todo 2: renomear v\u00e1rias colunas por \u00edndice #rename column in index positions 1, 2, [&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-2123","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 renomear uma coluna por posi\u00e7\u00e3o de \u00edndice usando dplyr - Statology<\/title>\n<meta name=\"description\" content=\"Este tutorial explica como renomear uma coluna de um quadro de dados por posi\u00e7\u00e3o de \u00edndice usando o pacote dplyr em R.\" \/>\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\/dplyr-renomear-coluna-por-indice\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" 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