{"id":1121,"date":"2023-07-27T14:27:28","date_gmt":"2023-07-27T14:27:28","guid":{"rendered":"https:\/\/statorials.org\/pt\/vlookup-em-r\/"},"modified":"2023-07-27T14:27:28","modified_gmt":"2023-07-27T14:27:28","slug":"vlookup-em-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/vlookup-em-r\/","title":{"rendered":"Como fazer um vlookup (semelhante ao excel) em r"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">A fun\u00e7\u00e3o <strong>VLOOKUP<\/strong> no Excel permite encontrar um valor em uma tabela comparando-o em uma coluna.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Por exemplo, na planilha Excel a seguir, podemos pesquisar o nome do time de um jogador usando VLOOKUP para corresponder ao nome do jogador e retornar o time do jogador:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-11347 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/vlookup_r2.png\" alt=\"\" width=\"672\" height=\"472\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Podemos replicar esta fun\u00e7\u00e3o usando base R ou o pacote dplyr:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Usando Base R:<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>merge(df1, df2, by=\" <span style=\"color: #008000;\">merge_column<\/span> \")\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>Usando dplyr:<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>inner_join(df1, df2, by=\" <span style=\"color: #008000;\">merge_column<\/span> \")<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Os exemplos a seguir mostram como usar cada uma dessas fun\u00e7\u00f5es em R para replicar a fun\u00e7\u00e3o VLOOKUP do Excel.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>PROCV usando Base R<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como executar uma fun\u00e7\u00e3o semelhante a VLOOKUP na base R usando a fun\u00e7\u00e3o <strong>merge()<\/strong> :<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create first data frame<\/span>\ndf1 &lt;- data.frame(player= <span style=\"color: #3366ff;\">LETTERS<\/span> [1:15],\n                  team= <span style=\"color: #3366ff;\">rep<\/span> (c(' <span style=\"color: #008000;\">Mavs<\/span> ', ' <span style=\"color: #008000;\">Lakers<\/span> ', ' <span style=\"color: #008000;\">Rockets<\/span> '), <span style=\"color: #3366ff;\">each<\/span> =5))\n\n<span style=\"color: #008080;\">#create second data frame<\/span> \ndf2 &lt;- data.frame(player= <span style=\"color: #3366ff;\">LETTERS<\/span> [1:15],\n                  points=c(14, 15, 15, 16, 8, 9, 16, 27, 30, 24, 14, 19, 8, 6, 5))\n\n<span style=\"color: #008080;\">#merge the two data frames\n<span style=\"color: #000000;\">merge(df1, df2, by=\" <span style=\"color: #008000;\">player<\/span> \")\n\n   player team points\n1 A Mavs 14\n2 B Mavs 15\n3C Mavs 15\n4D Mavs 16\n5 E Mavs 8\n6 F Lakers 9\n7G Lakers 16\n8 a.m. Lakers 27\n9 I Lakers 30\n10 J Lakers 24\n11K Rockets 14\n12L Rockets 19\n13 M Rockets 8\n14 N Rockets 6\n15 O Rockets 5<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Observe que isso retorna os mesmos resultados que a fun\u00e7\u00e3o VLOOKUP no exemplo introdut\u00f3rio. Observe tamb\u00e9m que voc\u00ea pode especificar v\u00e1rias colunas para mesclar usando o argumento <strong>by<\/strong> .<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>PROCV usando dplyr<\/strong><\/span><\/h3>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #993300;\">library<\/span> (dplyr)<\/span>\n\n#create first data frame<\/span>\ndf1 &lt;- data.frame(player= <span style=\"color: #3366ff;\">LETTERS<\/span> [1:15],\n                  team= <span style=\"color: #3366ff;\">rep<\/span> (c(' <span style=\"color: #008000;\">Mavs<\/span> ', ' <span style=\"color: #008000;\">Lakers<\/span> ', ' <span style=\"color: #008000;\">Rockets<\/span> '), <span style=\"color: #3366ff;\">each<\/span> =5))\n\n<span style=\"color: #008080;\">#create second data frame<\/span> \ndf2 &lt;- data.frame(player= <span style=\"color: #3366ff;\">LETTERS<\/span> [1:15],\n                  points=c(14, 15, 15, 16, 8, 9, 16, 27, 30, 24, 14, 19, 8, 6, 5))\n\n<span style=\"color: #008080;\">#merge the two data frames using inner_join\n<\/span>inner_join(df1, df2, by=\" <span style=\"color: #008000;\">player<\/span> \")\n\n   player team points\n1 A Mavs 14\n2 B Mavs 15\n3C Mavs 15\n4D Mavs 16\n5 E Mavs 8\n6 F Lakers 9\n7G Lakers 16\n8 a.m. Lakers 27\n9 I Lakers 30\n10 J Lakers 24\n11K Rockets 14\n12L Rockets 19\n13 M Rockets 8\n14 N Rockets 6\n15 O Rockets 5\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Observe que isso retorna os mesmos resultados que a fun\u00e7\u00e3o VLOOKUP no Excel. Observe tamb\u00e9m que voc\u00ea pode especificar v\u00e1rias colunas para mesclar usando o argumento <strong>by<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Al\u00e9m disso, se quiser que n\u00e3o-correspond\u00eancias sejam exibidas, voc\u00ea pode usar a fun\u00e7\u00e3o <strong>left_join<\/strong> .<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Recursos adicionais<\/strong><\/span><\/h3>\n<p><a href=\"https:\/\/statorials.org\/pt\/soma-cumulativa-em-r\/\" target=\"_blank\" rel=\"noopener noreferrer\">Como calcular somas cumulativas em R<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/normalizar-dados-em-r\/\" target=\"_blank\" rel=\"noopener noreferrer\">Como padronizar dados em R<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/r-adicionar-ao-dataframe\/\" target=\"_blank\" rel=\"noopener noreferrer\">Como adicionar linhas a um quadro de dados em R<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A fun\u00e7\u00e3o VLOOKUP no Excel permite encontrar um valor em uma tabela comparando-o em uma coluna. Por exemplo, na planilha Excel a seguir, podemos pesquisar o nome do time de um jogador usando VLOOKUP para corresponder ao nome do jogador e retornar o time do jogador: Podemos replicar esta fun\u00e7\u00e3o usando base R ou o [&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-1121","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 fazer um VLOOKUP (semelhante ao Excel) em R - Statorials<\/title>\n<meta name=\"description\" content=\"Este tutorial explica como realizar um VLOOKUP 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\/vlookup-em-r\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Como fazer um VLOOKUP (semelhante ao Excel) em R - Statorials\" \/>\n<meta property=\"og:description\" content=\"Este tutorial explica como realizar um VLOOKUP em R, com v\u00e1rios exemplos.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pt\/vlookup-em-r\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-27T14:27:28+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/vlookup_r2.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\/vlookup-em-r\/\",\"url\":\"https:\/\/statorials.org\/pt\/vlookup-em-r\/\",\"name\":\"Como fazer um VLOOKUP (semelhante ao Excel) em R - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pt\/#website\"},\"datePublished\":\"2023-07-27T14:27:28+00:00\",\"dateModified\":\"2023-07-27T14:27:28+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\"},\"description\":\"Este tutorial explica como realizar um VLOOKUP em R, com v\u00e1rios exemplos.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pt\/vlookup-em-r\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pt\/vlookup-em-r\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pt\/vlookup-em-r\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Lar\",\"item\":\"https:\/\/statorials.org\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Como fazer um vlookup (semelhante ao excel) em r\"}]},{\"@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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