{"id":1875,"date":"2023-07-24T15:28:21","date_gmt":"2023-07-24T15:28:21","guid":{"rendered":"https:\/\/statorials.org\/pt\/funcao-rowsums-em-r\/"},"modified":"2023-07-24T15:28:21","modified_gmt":"2023-07-24T15:28:21","slug":"funcao-rowsums-em-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/funcao-rowsums-em-r\/","title":{"rendered":"Como usar a fun\u00e7\u00e3o rowsums() em r"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">A fun\u00e7\u00e3o <strong>rowSums()<\/strong> em R pode ser usada para calcular a soma dos valores de cada linha de uma matriz ou quadro de dados em R.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Esta fun\u00e7\u00e3o usa a seguinte sintaxe b\u00e1sica:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>rowSums(x, na.rm=FALSO)<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Ouro:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>x<\/strong> : Nome da matriz ou bloco de dados.<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>na.rm<\/strong> : se deve ignorar os valores NA. O valor padr\u00e3o \u00e9 falso.<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Os exemplos a seguir mostram como usar esta fun\u00e7\u00e3o na pr\u00e1tica.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Exemplo 1: Use rowSums() com quadro de dados<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como usar <strong>rowSums()<\/strong> para encontrar a soma dos valores de cada linha em um quadro de dados:<\/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> (var1=c(1, 3, 3, 4, 5),\n                 var2=c(7, 2, 5, 3, 2),\n                 var3=c(3, 3, 6, 6, 8),\n                 var4=c(1, 1, 2, 14, 9))<\/span>\n\n#view data frame\n<span style=\"color: #000000;\">df\n\n  var1 var2 var3 var4\n1 1 7 3 1\n2 3 2 3 1\n3 3 5 6 2\n4 4 3 6 14\n5 5 2 8 9\n\n<span style=\"color: #008080;\">#find sum of each row\n<\/span>rowSums(df)\n\n[1] 12 9 16 27 24\n<\/span><\/span><\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Exemplo 2: Use rowSums() com valores NA no quadro de dados<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como usar <strong>rowSums()<\/strong> para encontrar a soma dos valores de cada linha em um quadro de dados quando h\u00e1 valores NA em algumas linhas:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create data frame with some NA values\n<span style=\"color: #000000;\">df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (var1=c(1, 3, 3, 4, 5),\n                 var2=c(7, NA, NA, 3, 2),\n                 var3=c(3, 3, 6, 6, 8),\n                 var4=c(1, 1, 2, NA, 9))<\/span>\n\n#view data frame\n<span style=\"color: #000000;\">df\n\n  var1 var2 var3 var4\n1 1 7 3 1\n2 3 NA 3 1\n3 3 NA 6 2\n4 4 3 6 NA\n5 5 2 8 9\n\n<span style=\"color: #008080;\">#find sum of each row\n<\/span>rowSums(df, na. <span style=\"color: #3366ff;\">rm<\/span> = <span style=\"color: #008000;\">TRUE<\/span> )\n\n[1] 12 7 11 13 24<\/span><\/span><\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Exemplo 3: Use rowSums() com linhas espec\u00edficas<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como usar <strong>rowSums()<\/strong> para encontrar a soma dos valores em linhas espec\u00edficas de um quadro de dados:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create data frame with some NA values\n<span style=\"color: #000000;\">df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (var1=c(1, 3, 3, 4, 5),\n                 var2=c(7, NA, NA, 3, 2),\n                 var3=c(3, 3, 6, 6, 8),\n                 var4=c(1, 1, 2, NA, 9))<\/span>\n\n#view data frame\n<span style=\"color: #000000;\">df\n\n  var1 var2 var3 var4\n1 1 7 3 1\n2 3 NA 3 1\n3 3 NA 6 2\n4 4 3 6 NA\n5 5 2 8 9\n\n<span style=\"color: #008080;\">#find sum of rows 1, 3, and 5\n<\/span>rowSums(df[c(1, 3, 5), ], na. <span style=\"color: #3366ff;\">rm<\/span> = <span style=\"color: #008000;\">TRUE<\/span> )\n\n 1 3 5 \n12 11 24<\/span><\/span><\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Recursos adicionais<\/strong><\/span><\/h3>\n<p> <a href=\"https:\/\/statorials.org\/pt\/adicione-colunas-especificas-em-r\/\" target=\"_blank\" rel=\"noopener\">Como adicionar colunas espec\u00edficas em R (com exemplos)<\/a><br \/><a href=\"https:\/\/statorials.org\/pt\/soma-de-linhas-especificas-em-r\/\" target=\"_blank\" rel=\"noopener\">Como adicionar linhas espec\u00edficas em R (com exemplos)<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A fun\u00e7\u00e3o rowSums() em R pode ser usada para calcular a soma dos valores de cada linha de uma matriz ou quadro de dados em R. Esta fun\u00e7\u00e3o usa a seguinte sintaxe b\u00e1sica: rowSums(x, na.rm=FALSO) Ouro: x : Nome da matriz ou bloco de dados. na.rm : se deve ignorar os valores NA. O valor [&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-1875","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 usar a fun\u00e7\u00e3o rowSums() em R \u2013 Estatologia<\/title>\n<meta name=\"description\" content=\"Este tutorial explica como usar a fun\u00e7\u00e3o rowSums() 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\/funcao-rowsums-em-r\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Como usar a fun\u00e7\u00e3o rowSums() em R \u2013 Estatologia\" \/>\n<meta property=\"og:description\" content=\"Este tutorial explica como usar a fun\u00e7\u00e3o rowSums() em R, com v\u00e1rios exemplos.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pt\/funcao-rowsums-em-r\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-24T15:28:21+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\/funcao-rowsums-em-r\/\",\"url\":\"https:\/\/statorials.org\/pt\/funcao-rowsums-em-r\/\",\"name\":\"Como usar a fun\u00e7\u00e3o rowSums() em R \u2013 Estatologia\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pt\/#website\"},\"datePublished\":\"2023-07-24T15:28:21+00:00\",\"dateModified\":\"2023-07-24T15:28:21+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\"},\"description\":\"Este tutorial explica como usar a fun\u00e7\u00e3o rowSums() em R, com v\u00e1rios exemplos.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pt\/funcao-rowsums-em-r\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pt\/funcao-rowsums-em-r\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pt\/funcao-rowsums-em-r\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Lar\",\"item\":\"https:\/\/statorials.org\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Como usar a fun\u00e7\u00e3o rowsums() 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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