{"id":2529,"date":"2023-07-21T21:16:34","date_gmt":"2023-07-21T21:16:34","guid":{"rendered":"https:\/\/statorials.org\/pt\/tabela-de-frequencia-sas\/"},"modified":"2023-07-21T21:16:34","modified_gmt":"2023-07-21T21:16:34","slug":"tabela-de-frequencia-sas","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/tabela-de-frequencia-sas\/","title":{"rendered":"Como criar tabelas de frequ\u00eancia em sas (com exemplos)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Voc\u00ea pode usar <strong>proc freq<\/strong> no SAS para criar rapidamente tabelas de frequ\u00eancia para uma ou mais vari\u00e1veis em um conjunto de dados.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Os exemplos a seguir mostram como usar esse procedimento com o conjunto de dados integrado do SAS chamado <a href=\"https:\/\/documentation.sas.com\/doc\/en\/pgmsascdc\/9.4_3.4\/statug\/statug_sashelp_sect004.htm\" target=\"_blank\" rel=\"noopener\">BirthWgt<\/a> , que cont\u00e9m v\u00e1rias caracter\u00edsticas de 100.000 m\u00e3es que deram \u00e0 luz recentemente.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Podemos usar <strong>proc print<\/strong> para exibir as primeiras 10 observa\u00e7\u00f5es deste conjunto de dados:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">\/*view first 10 observations from <i>BirthWgt<\/i> dataset*\/\n<\/span><span style=\"color: #800080;\">proc print<\/span> <span style=\"color: #3366ff;\">data<\/span> =sashelp.BirthWgt( <span style=\"color: #3366ff;\">obs<\/span> = <span style=\"color: #008000;\">10<\/span> );\n\n<span style=\"color: #800080;\">run<\/span> ;\n<\/strong><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-22482 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/poids1-1.jpg\" alt=\"\" width=\"563\" height=\"251\" srcset=\"\" sizes=\"auto, \"><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Exemplo 1: Tabela de frequ\u00eancia para uma vari\u00e1vel<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Podemos usar o seguinte c\u00f3digo para criar uma tabela de frequ\u00eancia para a vari\u00e1vel Race:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008000;\">\/*create frequency table for Race variable*\/\n<\/span><span style=\"color: #800080;\">proc freq<\/span> <span style=\"color: #3366ff;\">data<\/span> =sashelp.BirthWgt;\n\tRace <span style=\"color: #3366ff;\">tables<\/span> ;\n<span style=\"color: #800080;\">run<\/span> ;<\/strong><\/span> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-22483\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/poids2-1.jpg\" alt=\"tabela de frequ\u00eancia em SAS\" width=\"421\" height=\"220\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">A tabela de sa\u00edda cont\u00e9m quatro colunas:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>Frequ\u00eancia<\/strong> : o n\u00famero total de observa\u00e7\u00f5es pertencentes a uma determinada categoria.<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>Porcentagem<\/strong> : A porcentagem do total de observa\u00e7\u00f5es que se enquadram em uma determinada categoria.<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>Frequ\u00eancia cumulativa<\/strong> : n\u00famero total de observa\u00e7\u00f5es que foram consideradas at\u00e9 a linha atual inclusive.<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>Porcentagem acumulada<\/strong> : a porcentagem cumulativa do total de observa\u00e7\u00f5es que foram consideradas at\u00e9 a linha atual inclusive.<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Por exemplo, na tabela de sa\u00edda podemos ver:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">O n\u00famero total de m\u00e3es hisp\u00e2nicas foi de <strong>22.139<\/strong> .<\/span><\/li>\n<li> <span style=\"color: #000000;\">A percentagem total de m\u00e3es hisp\u00e2nicas foi de <strong>22,14%<\/strong> .<\/span><\/li>\n<li> <span style=\"color: #000000;\">O n\u00famero total de m\u00e3es asi\u00e1ticas, negras ou hisp\u00e2nicas foi de <strong>41.496<\/strong> .<\/span><\/li>\n<li> <span style=\"color: #000000;\">A percentagem cumulativa de m\u00e3es asi\u00e1ticas, negras ou hisp\u00e2nicas foi de <strong>41,50%<\/strong> .<\/span><\/li>\n<\/ul>\n<h3> <span style=\"color: #000000;\"><strong>Exemplo 2: Tabela de frequ\u00eancia para uma vari\u00e1vel (classificada)<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Por padr\u00e3o, as tabelas de frequ\u00eancia s\u00e3o classificadas em ordem alfab\u00e9tica com base nos nomes das categorias. No entanto, podemos usar a fun\u00e7\u00e3o <strong>order<\/strong> para classificar categorias por frequ\u00eancia:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008000;\">\/*create frequency table for Race variable, sorted by frequency*\/\n<\/span><span style=\"color: #800080;\">proc freq<\/span> <span style=\"color: #3366ff;\">data<\/span> =sashelp.BirthWgt <span style=\"color: #3366ff;\">order<\/span> =freq;\n\tRace <span style=\"color: #3366ff;\">tables<\/span> ;\n<span style=\"color: #800080;\">run<\/span> ;<\/strong><\/span> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-22484 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/poids3.jpg\" alt=\"\" width=\"420\" height=\"213\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Observe que as categorias agora s\u00e3o classificadas com base na frequ\u00eancia, da mais alta para a mais baixa.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Exemplo 3: Tabela de frequ\u00eancia para uma vari\u00e1vel (inclui valores ausentes)<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Por padr\u00e3o, os valores ausentes n\u00e3o s\u00e3o inclu\u00eddos nas tabelas de frequ\u00eancia.<\/span><\/p>\n<p> <span style=\"color: #000000;\">No entanto, podemos usar o comando <strong>ausente<\/strong> para dizer ao SAS para incluir uma linha para contar a frequ\u00eancia dos valores ausentes:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008000;\">\/*create frequency table for Race variable, sorted by frequency*\/\n<\/span><span style=\"color: #800080;\">proc freq<\/span> <span style=\"color: #3366ff;\">data<\/span> =sashelp.BirthWgt <span style=\"color: #3366ff;\">order<\/span> =freq;\n\tRace\/missing <span style=\"color: #3366ff;\">tables<\/span> ;\n<span style=\"color: #800080;\">run<\/span> ;<\/strong><\/span> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-22484 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/poids3.jpg\" alt=\"\" width=\"420\" height=\"213\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Como nenhuma linha adicional foi adicionada \u00e0 tabela de frequ\u00eancia, isso nos diz que n\u00e3o havia valores ausentes para ra\u00e7a no conjunto de dados original.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Exemplo 4: Tabela de frequ\u00eancia para diversas vari\u00e1veis<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Para criar uma tabela de frequ\u00eancia para m\u00faltiplas vari\u00e1veis de uma vez, podemos simplesmente incluir v\u00e1rios nomes de vari\u00e1veis no argumento <strong>da tabela<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Por exemplo, podemos usar o c\u00f3digo a seguir para criar uma tabela de frequ\u00eancia para Ra\u00e7a e Grupo Et\u00e1rio:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008000;\">\/*create frequency table for Race and AgeGroup variables, both sorted by frequency*\/\n<\/span><span style=\"color: #800080;\">proc freq<\/span> <span style=\"color: #3366ff;\">data<\/span> =sashelp.BirthWgt <span style=\"color: #3366ff;\">order<\/span> =freq;\n\tRace AgeGroup <span style=\"color: #3366ff;\">tables<\/span> ;\n<span style=\"color: #800080;\">run<\/span> ;<\/strong><\/span> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-22485 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/poids4-1.jpg\" alt=\"\" width=\"413\" height=\"366\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Podemos ver que uma tabela de frequ\u00eancia foi criada para ambas as vari\u00e1veis.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Voc\u00ea pode usar proc freq no SAS para criar rapidamente tabelas de frequ\u00eancia para uma ou mais vari\u00e1veis em um conjunto de dados. Os exemplos a seguir mostram como usar esse procedimento com o conjunto de dados integrado do SAS chamado BirthWgt , que cont\u00e9m v\u00e1rias caracter\u00edsticas de 100.000 m\u00e3es que deram \u00e0 luz recentemente. [&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-2529","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 criar tabelas de frequ\u00eancia em SAS (com exemplos) - Statorials<\/title>\n<meta name=\"description\" content=\"Este tutorial explica como criar tabelas de frequ\u00eancia em SAS, 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\/tabela-de-frequencia-sas\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Como criar tabelas de frequ\u00eancia em SAS (com exemplos) - Statorials\" \/>\n<meta property=\"og:description\" content=\"Este tutorial explica como criar tabelas de frequ\u00eancia em SAS, com v\u00e1rios exemplos.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pt\/tabela-de-frequencia-sas\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-21T21:16:34+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/poids1-1.jpg\" \/>\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=\"3 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/pt\/tabela-de-frequencia-sas\/\",\"url\":\"https:\/\/statorials.org\/pt\/tabela-de-frequencia-sas\/\",\"name\":\"Como criar tabelas de frequ\u00eancia em SAS (com exemplos) - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pt\/#website\"},\"datePublished\":\"2023-07-21T21:16:34+00:00\",\"dateModified\":\"2023-07-21T21:16:34+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\"},\"description\":\"Este tutorial explica como criar tabelas de frequ\u00eancia em SAS, com v\u00e1rios exemplos.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pt\/tabela-de-frequencia-sas\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pt\/tabela-de-frequencia-sas\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pt\/tabela-de-frequencia-sas\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Lar\",\"item\":\"https:\/\/statorials.org\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Como criar tabelas de frequ\u00eancia em sas (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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