{"id":2253,"date":"2023-07-23T01:47:20","date_gmt":"2023-07-23T01:47:20","guid":{"rendered":"https:\/\/statorials.org\/pt\/r-constante-de-string-inesperada\/"},"modified":"2023-07-23T01:47:20","modified_gmt":"2023-07-23T01:47:20","slug":"r-constante-de-string-inesperada","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/r-constante-de-string-inesperada\/","title":{"rendered":"Como corrigir erro r: constante de string inesperada"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Um erro comum que voc\u00ea pode encontrar em R \u00e9:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #ff0000;\">Error<\/span> : unexpected string constant in...\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Este erro ocorre quando voc\u00ea usa aspas no lugar errado em R.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Os tr\u00eas exemplos a seguir ilustram quando esse erro pode ocorrer em diferentes cen\u00e1rios.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Exemplo 1: Constante de string inesperada ao importar um arquivo<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Suponha que estejamos tentando importar um arquivo delimitado por dois pontos como um quadro de dados para R:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#attempt to import colon-delimited file\n<span style=\"color: #000000;\">read. <span style=\"color: #3366ff;\">csv<\/span> (\"C:\\Users\\Bob\\data.csv\", sep\";\")\n\n<span style=\"color: #ff0000;\">Error<\/span> : unexpected string constant in \"read.csv(\"C:\\\\Users\\\\Bob\\\\data.csv\", sep\";\"\"\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Recebemos um erro porque esquecemos de incluir um sinal de igual ap\u00f3s o argumento <strong>sep<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Se adicionarmos um sinal de igual, podemos resolver este erro:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#import colon-delimited file\n<span style=\"color: #000000;\">read. <span style=\"color: #3366ff;\">csv<\/span> (\"C:\\Users\\Bob\\data.csv\", sep=\";\")\n\n  team points\n1 to 4\n2 B 9\n3 C 9\n4 D 8\n5 E 6<\/span><\/span><\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Exemplo 2: Constante de string inesperada ao visualizar dados<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Suponha que estejamos tentando visualizar os valores em um vetor:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create numeric vector of values\n<span style=\"color: #000000;\">data &lt;- c(4, 4, 5, 6, 8, 10, 13, 15, 19, 18)\n\n<span style=\"color: #008080;\">#attempt to view values\n<\/span>data\"\"\n\n<span style=\"color: #ff0000;\">Error<\/span> : unexpected string constant in \"data\"\"\"\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Estamos recebendo um erro porque inclu\u00edmos acidentalmente aspas ap\u00f3s o nome do vetor.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Se simplesmente removermos as aspas, podemos resolver este erro:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create numeric vector of values\n<span style=\"color: #000000;\">data &lt;- c(4, 4, 5, 6, 8, 10, 13, 15, 19, 18)\n\n<span style=\"color: #008080;\">#view values\n<\/span>data\n\n[1] 4 4 5 6 8 10 13 15 19 18\n<\/span><\/span><\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Exemplo 3: Constante de string inesperada ao criar gr\u00e1ficos<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Suponha que estejamos tentando visualizar os valores em um vetor:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create numeric vector of values\n<span style=\"color: #000000;\">data &lt;- c(3, 3, 4, 5, 5, 7, 8, 12, 15, 16, 17, 19, 22, 25)\n\n<span style=\"color: #008080;\">#attempt to create boxplot to visualize distribution of values\n<\/span>boxplot(data, col ' <span style=\"color: #ff0000;\">steelblue<\/span> ') \n\n<span style=\"color: #ff0000;\">Error<\/span> : unexpected string constant in \"boxplot(data, col'steelblue'\"\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Recebemos um erro porque esquecemos de incluir um sinal de igual ap\u00f3s o argumento <strong>col<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Se simplesmente adicionarmos um sinal de igual, podemos resolver este erro:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create numeric vector of values\n<span style=\"color: #000000;\">data &lt;- c(3, 3, 4, 5, 5, 7, 8, 12, 15, 16, 17, 19, 22, 25)\n\n<span style=\"color: #008080;\">#create boxplot to visualize distribution of values\n<\/span>boxplot(data, col=' <span style=\"color: #ff0000;\">steelblue<\/span> ')<\/span><\/span><\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-20587 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/attendre1.png\" alt=\"\" width=\"432\" height=\"367\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">O erro <strong>inesperado da constante de string<\/strong> pode ocorrer em muitos cen\u00e1rios diferentes, mas estes tr\u00eas exemplos ilustram casos comuns em que isso pode ocorrer.<\/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 corrigir outros erros comuns no R:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/pt\/o-objeto-r-list-nao-pode-ser-forcado-a-digitar-double\/\" target=\"_blank\" rel=\"noopener\">Como corrigir: o objeto (lista) n\u00e3o pode ser for\u00e7ado a digitar &#8220;duplo&#8221;<\/a><br \/> Como corrigir em R: f\u00f3rmula de modelo inv\u00e1lida em ExtractVars<br \/> <a href=\"https:\/\/statorials.org\/pt\/r-substituicao-no-comprimento-zero\/\" target=\"_blank\" rel=\"noopener\">Como reparar em R: a substitui\u00e7\u00e3o tem comprimento zero<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Um erro comum que voc\u00ea pode encontrar em R \u00e9: Error : unexpected string constant in&#8230; Este erro ocorre quando voc\u00ea usa aspas no lugar errado em R. Os tr\u00eas exemplos a seguir ilustram quando esse erro pode ocorrer em diferentes cen\u00e1rios. Exemplo 1: Constante de string inesperada ao importar um arquivo Suponha que estejamos [&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-2253","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 corrigir erro R: constante de string inesperada - estatologia<\/title>\n<meta name=\"description\" content=\"Este tutorial explica como corrigir o erro \u201cconstante de string inesperada\u201d 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-constante-de-string-inesperada\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Como corrigir erro R: constante de string inesperada - estatologia\" \/>\n<meta property=\"og:description\" content=\"Este tutorial explica como corrigir o erro \u201cconstante de string inesperada\u201d em R, com v\u00e1rios exemplos.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pt\/r-constante-de-string-inesperada\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-23T01:47:20+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/attendre1.png\" \/>\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\/r-constante-de-string-inesperada\/\",\"url\":\"https:\/\/statorials.org\/pt\/r-constante-de-string-inesperada\/\",\"name\":\"Como corrigir erro R: constante de string inesperada - estatologia\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pt\/#website\"},\"datePublished\":\"2023-07-23T01:47:20+00:00\",\"dateModified\":\"2023-07-23T01:47:20+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\"},\"description\":\"Este tutorial explica como corrigir o erro \u201cconstante de string inesperada\u201d em R, com v\u00e1rios exemplos.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pt\/r-constante-de-string-inesperada\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pt\/r-constante-de-string-inesperada\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pt\/r-constante-de-string-inesperada\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Lar\",\"item\":\"https:\/\/statorials.org\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Como corrigir erro r: constante de string inesperada\"}]},{\"@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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