{"id":3478,"date":"2023-07-17T06:49:35","date_gmt":"2023-07-17T06:49:35","guid":{"rendered":"https:\/\/statorials.org\/pt\/r-substitua-inf-por-na\/"},"modified":"2023-07-17T06:49:35","modified_gmt":"2023-07-17T06:49:35","slug":"r-substitua-inf-por-na","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/r-substitua-inf-por-na\/","title":{"rendered":"Como substituir valores inf por na em r"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Voc\u00ea pode usar os seguintes m\u00e9todos para substituir valores Inf por valores NA em R:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>M\u00e9todo 1: Substitua Inf por NA no vetor<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>x[is. <span style=\"color: #3366ff;\">infinite<\/span> (x)] &lt;- NA\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>M\u00e9todo 2: Substitua Inf por NA em todas as colunas do quadro de dados<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\"><span style=\"color: #000000;\">df[sapply(df, is. <span style=\"color: #3366ff;\">infinite<\/span> )] &lt;- NA\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>M\u00e9todo 3: Substitua Inf por NA em colunas espec\u00edficas do quadro de dados<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\"><span style=\"color: #000000;\">df[c(' <span style=\"color: #ff0000;\">col1<\/span> ', ' <span style=\"color: #ff0000;\">col2<\/span> ')][sapply(df[c(' <span style=\"color: #ff0000;\">col1<\/span> ', ' <span style=\"color: #ff0000;\">col2<\/span> ')], is. <span style=\"color: #3366ff;\">infinite<\/span> )] &lt;- NA\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Este tutorial explica como usar cada m\u00e9todo na pr\u00e1tica com o seguinte quadro de dados:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008080;\">#create data frame\n<\/span>df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (team=c('A', 'A', 'A', 'A', 'B', 'B', 'B', 'B'),\n                 position=c('G', 'G', 'F', 'F', 'G', 'G', 'F', 'F'),\n                 points=c(10, 10, 8, 14, 15, 15, 17, 17))\n\n<span style=\"color: #008080;\">#view data frame\n<\/span>df\n\n  team position points\n1 AG 10\n2 AG 10\n3AF 8\n4 AF 14\n5 BG 15\n6 BG 15\n7 BF 17\n8 BF 17\n<\/strong><\/span><\/pre>\n<h2> <span style=\"color: #000000;\"><strong>Exemplo 1: Substitua Inf por NA no vetor<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como substituir todos os valores Inf por valores NA em um vetor:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008080;\">#create vector with some Inf values\n<\/span>x &lt;- c(4, 12, Lower, 8, Lower, 9, 12, 3, 22, Lower)\n\n<span style=\"color: #008080;\">#replace Inf values with NA\n<\/span>x[is. <span style=\"color: #3366ff;\">infinite<\/span> (x)] &lt;- NA\n\n<span style=\"color: #008080;\">#view updated vector\n<\/span>x\n\n [1] 4 12 NA 8 NA 9 12 3 22 NA\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Observe que todos os valores Inf do vetor original foram substitu\u00eddos por valores NA.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Exemplo 2: Substitua Inf por NA em todas as colunas do quadro de dados<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como substituir valores Inf por valores NA em cada coluna de um quadro de dados:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008080;\">#create data frame\n<\/span>df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (x=c(4, 5, 5, 4, Inf, 8, Inf),\n                 y=c(10, Lower, Lower, 3, 5, 5, 8),\n                 z=c(Inf, 5, 5, 6, 3, 12, 14))\n\n<span style=\"color: #008080;\">#view data frame\n<\/span>df\n\n    X Y Z\n1 4 10 Lower\n2 5 Lower 5\n3 5 Lower 5\n4 4 3 6\n5 Lower 5 3\n6 8 5 12\n7 Lower 8 14\n\n<span style=\"color: #008080;\">#replace Inf values with NA values in all columns\n<\/span>df[sapply(df, is. <span style=\"color: #3366ff;\">infinite<\/span> )] &lt;- NA\n\n<span style=\"color: #008080;\">#view updated data frame\n<\/span>df\n\n   X Y Z\n1 4 10 NA\n2 5 NA 5\n3 5 NA 5\n4 4 3 6\n5 NA 5 3\n6 8 5 12\n7 NA 8 14<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Observe que os valores Inf em cada coluna do quadro de dados foram substitu\u00eddos por valores NA.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Exemplo 3: Substitua Inf por NA em colunas espec\u00edficas do quadro de dados<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como substituir valores Inf por valores NA em colunas espec\u00edficas de um quadro de dados:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008080;\">#create data frame\n<\/span>df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (x=c(4, 5, 5, 4, Inf, 8, Inf),\n                 y=c(10, Lower, Lower, 3, 5, 5, 8),\n                 z=c(Inf, 5, 5, 6, 3, 12, 14))\n\n<span style=\"color: #008080;\">#view data frame\n<\/span>df\n\n    X Y Z\n1 4 10 Lower\n2 5 Lower 5\n3 5 Lower 5\n4 4 3 6\n5 Lower 5 3\n6 8 5 12\n7 Lower 8 14\n\n<span style=\"color: #008080;\">#replace Inf values with NA values in columns 'x' and 'z' only\n<\/span>df[c(' <span style=\"color: #ff0000;\">x<\/span> ', ' <span style=\"color: #ff0000;\">z<\/span> ')][sapply(df[c(' <span style=\"color: #ff0000;\">x<\/span> ', ' <span style=\"color: #ff0000;\">z<\/span> ')], is. <span style=\"color: #3366ff;\">infinite<\/span> )] &lt;- NA\n\n<span style=\"color: #008080;\">#view updated data frame\n<\/span>df\n\n   X Y Z\n1 4 10 NA\n2 5 Lower 5\n3 5 Lower 5\n4 4 3 6\n5 NA 5 3\n6 8 5 12\n7 NA 8 14<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Observe que os valores Inf nas colunas \u201cx\u201d e \u201cy\u201d foram substitu\u00eddos por valores NA.<\/span><\/p>\n<p> <span style=\"color: #000000;\">No entanto, os valores Inf na coluna \u201cy\u201d permaneceram intactos.<\/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 em R:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/pt\/nao-e\/\" target=\"_blank\" rel=\"noopener\">Como usar is.na em R<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/na-omitir-em-r\/\" target=\"_blank\" rel=\"noopener\">Como usar na.omit em R<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/r-substitua-vazio-por-na\/\" target=\"_blank\" rel=\"noopener\">Como substituir espa\u00e7os em branco por NA em R<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Voc\u00ea pode usar os seguintes m\u00e9todos para substituir valores Inf por valores NA em R: M\u00e9todo 1: Substitua Inf por NA no vetor x[is. infinite (x)] &lt;- NA M\u00e9todo 2: Substitua Inf por NA em todas as colunas do quadro de dados df[sapply(df, is. infinite )] &lt;- NA M\u00e9todo 3: Substitua Inf por NA em [&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-3478","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 substituir valores Inf por NA em R \u2013 Estatologia<\/title>\n<meta name=\"description\" content=\"Este tutorial explica como substituir valores Inf por NA 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\/r-substitua-inf-por-na\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" 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