{"id":1777,"date":"2023-07-25T00:53:50","date_gmt":"2023-07-25T00:53:50","guid":{"rendered":"https:\/\/statorials.org\/pt\/deletar-linhas-em-r\/"},"modified":"2023-07-25T00:53:50","modified_gmt":"2023-07-25T00:53:50","slug":"deletar-linhas-em-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/deletar-linhas-em-r\/","title":{"rendered":"Como excluir linhas em r (com exemplos)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Voc\u00ea pode usar a seguinte sintaxe para remover n\u00fameros de linha espec\u00edficos em R:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#remove 4th row<\/span>\nnew_df &lt;- df[-c(4), ]\n\n<span style=\"color: #008080;\">#remove 2nd through 4th row<\/span>\nnew_df &lt;- df[-c(2:4), ]\n\n<span style=\"color: #008080;\">#remove 1st, 2nd, and 4th row<\/span>\nnew_df &lt;- df[-c(1, 2, 4), ]\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Voc\u00ea pode usar a seguinte sintaxe para remover linhas que n\u00e3o atendem a condi\u00e7\u00f5es espec\u00edficas:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#only keep rows where col1 value is less than 10 and col2 value is less than 6<\/span>\nnew_df &lt;- subset(df, col1 <span style=\"color: #3366ff;\">&lt;<\/span> 10 <span style=\"color: #3366ff;\">&amp;<\/span> col2 <span style=\"color: #3366ff;\">&lt;<\/span> 6)\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">E voc\u00ea pode usar a seguinte sintaxe para remover linhas com valor NA em qualquer coluna:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#remove rows with NA value in any column<\/span>\nnew_df &lt;- na. <span style=\"color: #3366ff;\">omitted<\/span> (df)<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Os exemplos a seguir mostram como usar cada uma dessas fun\u00e7\u00f5es na pr\u00e1tica.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Exemplo 1: Excluir linhas por n\u00famero<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como excluir linhas por n\u00famero de linha espec\u00edfico em R:<\/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> (player=c('A', 'B', 'C', 'D', 'E'),\n                 pts=c(17, 12, 8, 9, 25),\n                 rebs=c(3, 3, 6, 5, 8),\n                 blocks=c(1, 1, 2, 4, NA))<\/span>\n\n#view data frame\n<span style=\"color: #000000;\">df<\/span>\n<span style=\"color: #000000;\">\n  player pts rebs blocks\n1 to 17 3 1\n2 B 12 3 1\n3 C 8 6 2\n4 D 9 5 4\n5 E 25 8 NA\n<\/span>\n#remove 4th row<\/span>\ndf[-c(4), ]\n\n  player pts rebs blocks\n1 to 17 3 1\n2 B 12 3 1\n3 C 8 6 2\n5 E 25 8 NA\n\n<span style=\"color: #008080;\">#remove 2nd through 4th row<\/span>\ndf[-c(2:4), ]\n\n  player pts rebs blocks\n1 to 17 3 1\n5 E 25 8 NA\n\n<span style=\"color: #008080;\">#remove 1st, 2nd, and 4th row<\/span>\ndf[-c(1, 2, 4), ]\n\n  player pts rebs blocks\n3 C 8 6 2\n5 E 25 8 NA\n<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Exemplo 2: Excluir linhas por condi\u00e7\u00e3o<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como remover linhas que n\u00e3o atendem a uma condi\u00e7\u00e3o espec\u00edfica:<\/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> (player=c('A', 'B', 'C', 'D', 'E'),\n                 pts=c(17, 12, 8, 9, 25),\n                 rebs=c(3, 3, 6, 5, 8),\n                 blocks=c(1, 1, 2, 4, NA))<\/span>\n\n#view data frame\n<span style=\"color: #000000;\">df<\/span>\n<span style=\"color: #000000;\">\n  player pts rebs blocks\n1 to 17 3 1\n2 B 12 3 1\n3 C 8 6 2\n4 D 9 5 4\n5 E 25 8 NA\n<\/span>\n#only keep rows where pts is less than 10 and rebs is less than 6<\/span>\nsubset(df, pts <span style=\"color: #3366ff;\">&lt;<\/span> 10 <span style=\"color: #3366ff;\">&amp;<\/span> rebs <span style=\"color: #3366ff;\">&lt;<\/span> 6)\n\n  player pts rebs blocks\n4 D 9 5 4\n<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Exemplo 3: Excluir linhas com valores NA<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como remover linhas com valor NA em qualquer linha:<\/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> (player=c('A', 'B', 'C', 'D', 'E'),\n                 pts=c(17, 12, 8, 9, 25),\n                 rebs=c(3, 3, 6, 5, 8),\n                 blocks=c(1, 1, 2, 4, NA))<\/span>\n\n#view data frame\n<span style=\"color: #000000;\">df<\/span>\n<span style=\"color: #000000;\">\n  player pts rebs blocks\n1 to 17 3 1\n2 B 12 3 1\n3 C 8 6 2\n4 D 9 5 4\n5 E 25 8 NA\n<\/span>\n#remove rows with NA value in any row:<\/span>\nn \/ A. <span style=\"color: #3366ff;\">omitted<\/span> (df)\n\n  player pts rebs blocks\n1 to 17 3 1\n2 B 12 3 1\n3 C 8 6 2\n4 D 9 5 4\n<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Recursos adicionais<\/strong><\/span><\/h3>\n<p> <a href=\"https:\/\/statorials.org\/pt\/r-adicionar-ao-dataframe\/\" target=\"_blank\" rel=\"noopener\">Como adicionar linhas a um quadro de dados em R<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/estatologia-explica-conceitos-de-forma-simples-e-direta-facilitamos-o-aprendizado-de-estatistica\/\" target=\"_blank\" rel=\"noopener\">Como remover linhas duplicadas em R<\/a><br \/><a href=\"https:\/\/statorials.org\/pt\/soma-de-linhas-especificas-em-r\/\" target=\"_blank\" rel=\"noopener\">Como somar linhas espec\u00edficas em R<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Voc\u00ea pode usar a seguinte sintaxe para remover n\u00fameros de linha espec\u00edficos em R: #remove 4th row new_df &lt;- df[-c(4), ] #remove 2nd through 4th row new_df &lt;- df[-c(2:4), ] #remove 1st, 2nd, and 4th row new_df &lt;- df[-c(1, 2, 4), ] Voc\u00ea pode usar a seguinte sintaxe para remover linhas que n\u00e3o atendem 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-1777","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\/ 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