{"id":4220,"date":"2023-07-12T18:22:33","date_gmt":"2023-07-12T18:22:33","guid":{"rendered":"https:\/\/statorials.org\/pt\/estatistica-descritiva-em-sas\/"},"modified":"2023-07-12T18:22:33","modified_gmt":"2023-07-12T18:22:33","slug":"estatistica-descritiva-em-sas","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/estatistica-descritiva-em-sas\/","title":{"rendered":"Como calcular estat\u00edsticas descritivas no sas"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\"><strong>Estat\u00edsticas descritivas<\/strong> s\u00e3o valores que descrevem um conjunto de dados.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Eles nos ajudam a entender onde est\u00e1 <a href=\"https:\/\/statorials.org\/pt\/mede-a-tendencia-central\/\" target=\"_blank\" rel=\"noopener\">o centro<\/a> do conjunto de dados, bem como a distribui\u00e7\u00e3o dos valores no conjunto de dados.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Existem duas maneiras comuns de calcular estat\u00edsticas descritivas para vari\u00e1veis no SAS:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>1.<\/strong> Use <strong>PROC MEANS<\/strong> para calcular estat\u00edsticas resumidas<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>2.<\/strong> Use <strong>PROC UNIVARIATE<\/strong> para calcular estat\u00edsticas descritivas detalhadas<\/span><\/p>\n<p> <span style=\"color: #000000;\">Os exemplos a seguir mostram como usar cada m\u00e9todo na pr\u00e1tica com o seguinte conjunto de dados no SAS:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">\/*create dataset*\/\n<\/span><span style=\"color: #800080;\">data<\/span> my_data;\n    <span style=\"color: #3366ff;\">input<\/span> team $points assists;\n    <span style=\"color: #3366ff;\">datalines<\/span> ;\nAt 10 2\nAt 17 5\nAt 17 6\nAt 18 3\nAt 15 0\nB 10 2\nB 14 5\nB 13 4\nB 29 0\nB 25 2\nC 12 1\nC 30 1\nC 34 3\nC 12 4\nC 11 7\n;\n<span style=\"color: #800080;\">run<\/span> ;\n\n<span style=\"color: #008000;\">\/*view dataset*\/\n<\/span><span style=\"color: #800080;\">proc print<\/span> <span style=\"color: #3366ff;\">data<\/span> =my_data;<\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-33383 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/desc1.jpg\" alt=\"\" width=\"212\" height=\"405\" srcset=\"\" sizes=\"auto, \"><\/p>\n<h2> <strong><span style=\"color: #000000;\">Exemplo 1. Use PROC MEANS para calcular estat\u00edsticas resumidas<\/span><\/strong><\/h2>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como usar <strong>PROC MEANS<\/strong> para calcular estat\u00edsticas resumidas para a vari\u00e1vel <strong>de pontos<\/strong> no conjunto de dados:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">\/*calculate summary statistics for points variable*\/\n<\/span><span style=\"color: #800080;\">proc means<\/span> <span style=\"color: #3366ff;\">data<\/span> =my_data;\n    <span style=\"color: #3366ff;\">var<\/span> points;\n<span style=\"color: #800080;\">run<\/span> ;<\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-33385\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/desc2.jpg\" alt=\"estat\u00edstica descritiva em SAS usando PROC MEANS\" width=\"423\" height=\"130\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">O procedimento <strong>PROC MEANS<\/strong> calcula as seguintes estat\u00edsticas descritivas:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>N<\/strong> : O n\u00famero total de observa\u00e7\u00f5es<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>M\u00e9dia<\/strong> : O valor m\u00e9dio dos pontos<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>Std<\/strong> Dev: o desvio padr\u00e3o dos pontos<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>M\u00ednimo<\/strong> : O valor m\u00ednimo de pontos<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>M\u00e1ximo<\/strong> : O valor m\u00e1ximo de pontos<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Observe tamb\u00e9m que voc\u00ea pode usar a instru\u00e7\u00e3o class para calcular estat\u00edsticas descritivas para uma vari\u00e1vel, agrupada por outra vari\u00e1vel.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Por exemplo, podemos usar o c\u00f3digo a seguir para calcular estat\u00edsticas resumidas para a vari\u00e1vel <strong>pontos<\/strong> , agrupada pela vari\u00e1vel <strong>equipe<\/strong> :<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">\/*calculate summary statistics for points, grouped by team*\/\n<\/span><span style=\"color: #800080;\">proc means<\/span> <span style=\"color: #3366ff;\">data<\/span> =my_data;\n    <span style=\"color: #3366ff;\">classteam<\/span> ;\n    <span style=\"color: #3366ff;\">var<\/span> points;\n<span style=\"color: #800080;\">run<\/span> ;<\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-33386 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/desc3.jpg\" alt=\"\" width=\"504\" height=\"177\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">A sa\u00edda exibe estat\u00edsticas resumidas para a vari\u00e1vel <strong>de pontos<\/strong> , agrupadas por cada um dos valores exclusivos <strong>da equipe<\/strong><\/span> <span style=\"color: #000000;\">.<\/span><\/p>\n<h2> <strong><span style=\"color: #000000;\">Exemplo 2. Use PROC UNIVARIATE para calcular estat\u00edsticas descritivas detalhadas<\/span><\/strong><\/h2>\n<p> <span style=\"color: #000000;\">O c\u00f3digo a seguir mostra como usar <strong>PROC UNIVARIATE<\/strong> para calcular estat\u00edsticas descritivas detalhadas para a vari\u00e1vel <strong>points<\/strong> :<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">\/*calculate detailed descriptive statistics for points variable*\/\n<\/span><span style=\"color: #800080;\">proc univariate<\/span> <span style=\"color: #3366ff;\">data<\/span> =my_data;\n    <span style=\"color: #3366ff;\">var<\/span> points;\n<span style=\"color: #800080;\">run<\/span> ;<\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-33387 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/desc4.jpg\" alt=\"\" width=\"419\" height=\"531\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-33388 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/desc5.jpg\" alt=\"\" width=\"215\" height=\"509\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">O procedimento <strong>PROC UNIVARIATE<\/strong> calcula estat\u00edsticas descritivas detalhadas para a vari\u00e1vel <strong>pontual<\/strong> , incluindo m\u00e9dia, mediana, moda, desvio padr\u00e3o, vari\u00e2ncia, intervalo, intervalo interquartil, etc.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Tamb\u00e9m podemos usar a instru\u00e7\u00e3o <strong>class<\/strong> para calcular essas estat\u00edsticas descritivas detalhadas para a vari\u00e1vel <strong>points<\/strong> , agrupada pela vari\u00e1vel <strong>team<\/strong> :<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">\/*calculate detailed descriptive statistics for points, grouped by team*\/\n<\/span><span style=\"color: #800080;\">proc univariate<\/span> <span style=\"color: #3366ff;\">data<\/span> =my_data;\n    <span style=\"color: #3366ff;\">classteam<\/span> ;\n    <span style=\"color: #3366ff;\">var<\/span> points;\n<span style=\"color: #800080;\">run<\/span> ;<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Isso produzir\u00e1 tr\u00eas grupos de tabelas de sa\u00edda que exibem estat\u00edsticas descritivas detalhadas para a vari\u00e1vel <strong>de pontos<\/strong> , agrupadas por cada um dos valores exclusivos <strong>da equipe<\/strong> .<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Recursos adicionais<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Os tutoriais a seguir explicam como executar outras tarefas comuns no SAS:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/pt\/tabela-de-frequencia-sas\/\" target=\"_blank\" rel=\"noopener\">Como criar tabelas de frequ\u00eancia no SAS<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/percentis-sas\/\" target=\"_blank\" rel=\"noopener\">Como calcular percentis no SAS<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/tabela-dinamica-sas\/\" target=\"_blank\" rel=\"noopener\">Como criar tabelas din\u00e2micas no SAS<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Estat\u00edsticas descritivas s\u00e3o valores que descrevem um conjunto de dados. Eles nos ajudam a entender onde est\u00e1 o centro do conjunto de dados, bem como a distribui\u00e7\u00e3o dos valores no conjunto de dados. Existem duas maneiras comuns de calcular estat\u00edsticas descritivas para vari\u00e1veis no SAS: 1. Use PROC MEANS para calcular estat\u00edsticas resumidas 2. Use [&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-4220","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 calcular estat\u00edsticas descritivas no SAS - Estatologia<\/title>\n<meta name=\"description\" content=\"Este tutorial explica como calcular estat\u00edsticas descritivas no SAS, com um exemplo.\" \/>\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\/estatistica-descritiva-em-sas\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Como calcular estat\u00edsticas descritivas no SAS - Estatologia\" \/>\n<meta property=\"og:description\" content=\"Este tutorial explica como calcular estat\u00edsticas descritivas no SAS, com um exemplo.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pt\/estatistica-descritiva-em-sas\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-12T18:22:33+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/desc1.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=\"2 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/pt\/estatistica-descritiva-em-sas\/\",\"url\":\"https:\/\/statorials.org\/pt\/estatistica-descritiva-em-sas\/\",\"name\":\"Como calcular estat\u00edsticas descritivas no SAS - Estatologia\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pt\/#website\"},\"datePublished\":\"2023-07-12T18:22:33+00:00\",\"dateModified\":\"2023-07-12T18:22:33+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\"},\"description\":\"Este tutorial explica como calcular estat\u00edsticas descritivas no SAS, com um exemplo.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pt\/estatistica-descritiva-em-sas\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pt\/estatistica-descritiva-em-sas\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pt\/estatistica-descritiva-em-sas\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Lar\",\"item\":\"https:\/\/statorials.org\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Como calcular estat\u00edsticas descritivas no sas\"}]},{\"@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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