{"id":1955,"date":"2023-07-24T07:47:10","date_gmt":"2023-07-24T07:47:10","guid":{"rendered":"https:\/\/statorials.org\/pt\/numero-de-caractere-em-r\/"},"modified":"2023-07-24T07:47:10","modified_gmt":"2023-07-24T07:47:10","slug":"numero-de-caractere-em-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/numero-de-caractere-em-r\/","title":{"rendered":"Como converter num\u00e9rico em caractere em r (com exemplos)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Podemos usar a seguinte sintaxe para converter um vetor num\u00e9rico em um vetor de caracteres em R:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #000000;\">character_vector &lt;- as. <span style=\"color: #3366ff;\">character<\/span> (numeric_vector)<\/span>\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Este tutorial fornece v\u00e1rios exemplos de uso pr\u00e1tico desta fun\u00e7\u00e3o.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Exemplo 1: Converter um vetor de num\u00e9rico em caractere<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como converter um vetor num\u00e9rico em um vetor de caracteres:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008080;\">#create digital vector\n<\/span>tanks &lt;- c(12, 14, 19, 22, 26)\n\n<span style=\"color: #008080;\">#convert numeric vector to character vector\n<\/span>chariots &lt;- as. <span style=\"color: #3366ff;\">character<\/span> (chars)\n\n<span style=\"color: #008080;\">#view character vector\n<\/span>tanks\n\n[1] \"12\" \"14\" \"19\" \"22\" \"26\"\n\n<span style=\"color: #008080;\">#confirm class of character vector\n<\/span><span style=\"color: #993300;\">class<\/span> (chars)\n\n[1] \u201ccharacter\u201d\n<\/strong><\/span><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Exemplo 2: Converter uma coluna num\u00e9rica em caractere<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como converter uma coluna espec\u00edfica em um quadro de dados de num\u00e9rico para caractere:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #000000;\"><span style=\"color: #008080;\">#create data frame\n<span style=\"color: #000000;\">df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (a = c('12', '14', '19', '22', '26'),\n                 b = c(28, 34, 35, 36, 40))\n\n<span style=\"color: #008080;\">#convert column 'b' from numeric to character\n<\/span>df$b &lt;- as. <span style=\"color: #3366ff;\">character<\/span> (df$b)\n\n<span style=\"color: #008080;\">#confirm class of character vector\n<\/span><span style=\"color: #993300;\">class<\/span> (df$b)\n\n[1] \u201ccharacter\u201d\n<\/span><\/span><\/span><\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Exemplo 3: Converter m\u00faltiplas colunas num\u00e9ricas em caracteres<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como converter todas as colunas num\u00e9ricas em um quadro de dados de num\u00e9rico para caracteres:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #000000;\"><span style=\"color: #008080;\">#create data frame\n<span style=\"color: #000000;\">df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (a = c('12', '14', '19', '22', '26'),\n                 b = c('28', '34', '35', '36', '40'),\n                 c = as.factor(c(1, 2, 3, 4, 5)),\n                 d = c(45, 56, 54, 57, 59))\n\n<span style=\"color: #008080;\">#display classes of each column\n<\/span>sapply(df, class)\n\n          abcd \"numeric\" \"character\" \"factor\" \"numeric\" \n\n<span style=\"color: #008080;\">#identify all numeric columns\n<\/span>nums&lt;- sapply(df, is. <span style=\"color: #3366ff;\">numeric<\/span> )\n\n<span style=\"color: #008080;\">#convert all numeric columns to character\n<\/span>df[, nums] &lt;- as. <span style=\"color: #3366ff;\">data<\/span> . <span style=\"color: #3366ff;\">frame<\/span> (apply(df[, nums], 2, as. <span style=\"color: #3366ff;\">character<\/span> ))\n\n<span style=\"color: #008080;\">#display classes of each column\n<\/span>sapply(df, class)\n\n          abcd\n\"character\" \"character\" \"factor\" \"character\"<\/span><\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Este c\u00f3digo fez as seguintes altera\u00e7\u00f5es nas colunas do quadro de dados:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>Coluna a:<\/strong> de num\u00e9rico para caractere<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>Coluna b:<\/strong> Inalterada (pois j\u00e1 era num\u00e9rica)<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>Coluna c:<\/strong> Inalterado (j\u00e1 que foi um fator)<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>Coluna d:<\/strong> De num\u00e9rico para caractere<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Usando as fun\u00e7\u00f5es <a href=\"https:\/\/statorials.org\/pt\/um-guia-para-aplicar-lapply-sapply-e-tapply-em-r\/\" target=\"_blank\" rel=\"noopener\">apply()<\/a> e <a href=\"https:\/\/statorials.org\/pt\/um-guia-para-aplicar-lapply-sapply-e-tapply-em-r\/\" target=\"_blank\" rel=\"noopener\">sapply()<\/a> , conseguimos converter apenas colunas num\u00e9ricas em colunas de caracteres e deixar todas as outras colunas inalteradas.<\/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 realizar outras convers\u00f5es comuns em R:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/pt\/caractere-numerico-em-r\/\" target=\"_blank\" rel=\"noopener\">Como converter caractere em num\u00e9rico em R<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/personagem-para-fatorar-em-r\/\" target=\"_blank\" rel=\"noopener\">Como converter um caractere em um fator em R<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/converter-fator-de-caractere-para-r\/\" target=\"_blank\" rel=\"noopener\">Como converter fator em caractere em R<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/converter-caractere-em-carimbo-de-datahora-em-r\/\" target=\"_blank\" rel=\"noopener\">Como converter um caractere em um carimbo de data\/hora em R<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Podemos usar a seguinte sintaxe para converter um vetor num\u00e9rico em um vetor de caracteres em R: character_vector &lt;- as. character (numeric_vector) Este tutorial fornece v\u00e1rios exemplos de uso pr\u00e1tico desta fun\u00e7\u00e3o. Exemplo 1: Converter um vetor de num\u00e9rico em caractere O c\u00f3digo a seguir mostra como converter um vetor num\u00e9rico em um vetor de [&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-1955","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 converter num\u00e9rico em caractere em R (com exemplos) - Estatoriais<\/title>\n<meta name=\"description\" content=\"Este tutorial explica como converter um vetor num\u00e9rico em um vetor de caracteres 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\/numero-de-caractere-em-r\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Como converter num\u00e9rico em caractere em R (com exemplos) - Estatoriais\" \/>\n<meta property=\"og:description\" content=\"Este tutorial explica como converter um vetor num\u00e9rico em um vetor de caracteres em R, com v\u00e1rios exemplos.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pt\/numero-de-caractere-em-r\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-24T07:47:10+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\/numero-de-caractere-em-r\/\",\"url\":\"https:\/\/statorials.org\/pt\/numero-de-caractere-em-r\/\",\"name\":\"Como converter num\u00e9rico em caractere em R (com exemplos) - Estatoriais\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pt\/#website\"},\"datePublished\":\"2023-07-24T07:47:10+00:00\",\"dateModified\":\"2023-07-24T07:47:10+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\"},\"description\":\"Este tutorial explica como converter um vetor num\u00e9rico em um vetor de caracteres em R, com v\u00e1rios exemplos.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pt\/numero-de-caractere-em-r\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pt\/numero-de-caractere-em-r\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pt\/numero-de-caractere-em-r\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Lar\",\"item\":\"https:\/\/statorials.org\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Como converter num\u00e9rico em caractere 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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