{"id":4519,"date":"2023-07-10T11:00:23","date_gmt":"2023-07-10T11:00:23","guid":{"rendered":"https:\/\/statorials.org\/pt\/grafico-sas-significa-com-barras-de-erro-padrao\/"},"modified":"2023-07-10T11:00:23","modified_gmt":"2023-07-10T11:00:23","slug":"grafico-sas-significa-com-barras-de-erro-padrao","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/grafico-sas-significa-com-barras-de-erro-padrao\/","title":{"rendered":"Sas: como tra\u00e7ar m\u00e9dias com barras de erro padr\u00e3o"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Voc\u00ea pode usar a seguinte sintaxe no SAS para criar um gr\u00e1fico de valores m\u00e9dios com barras de erro padr\u00e3o por grupo:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008000;\">\/*calculate mean and standard error of points for each team*\/\n<\/span><span style=\"color: #800080;\">proc sql<\/span> ;\n<span style=\"color: #3366ff;\">create table<\/span> groupPlot <span style=\"color: #3366ff;\">as<\/span>\n<span style=\"color: #3366ff;\">select<\/span> \n    team, \n    mean(points) <span style=\"color: #3366ff;\">as<\/span> meanPoints, \n    mean(points) - <span style=\"color: #3366ff;\">stderr<\/span> (points) <span style=\"color: #3366ff;\">as<\/span> lowStdPoints,    \n    mean(points) + <span style=\"color: #3366ff;\">stderr<\/span> (points) <span style=\"color: #3366ff;\">as<\/span> highStdPoints\n<span style=\"color: #3366ff;\">from<\/span> my_data\n<span style=\"color: #3366ff;\">group by<\/span> team;\n<span style=\"color: #800080;\">quit<\/span> ;\n\n<span style=\"color: #008000;\">\/*create plot with mean and standard error bars of points for each team*\/\n<\/span><span style=\"color: #800080;\">proc sgplot<\/span> <span style=\"color: #3366ff;\">data<\/span> =groupPlot;\n<span style=\"color: #3366ff;\">scatter<\/span> <span style=\"color: #3366ff;\">x<\/span> =team <span style=\"color: #3366ff;\">y<\/span> =meanPoints \/ \n    <span style=\"color: #3366ff;\">yerrorlower<\/span> =lowStdPoints <span style=\"color: #3366ff;\">yerrorupper<\/span> =highStdPoints <span style=\"color: #3366ff;\">group<\/span> =team;\n<span style=\"color: #3366ff;\">series<\/span> <span style=\"color: #3366ff;\">x<\/span> =team <span style=\"color: #3366ff;\">y<\/span> =meanPoints \/ <span style=\"color: #3366ff;\">group<\/span> =team;\n<span style=\"color: #800080;\">run<\/span> ;\n<\/strong><\/span><\/pre>\n<p> <span style=\"color: #000000;\">Este exemplo espec\u00edfico usa <strong>PROC SQL<\/strong> para calcular o valor m\u00e9dio da vari\u00e1vel de <strong>pontos<\/strong> , agrupada pela vari\u00e1vel de <strong>equipe<\/strong> em um conjunto de dados.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Em seguida, usamos <strong>PROC SGPLOT<\/strong> para criar um gr\u00e1fico que mostra o valor m\u00e9dio da vari\u00e1vel <strong>pontos<\/strong> junto com as barras de erro padr\u00e3o, agrupadas por vari\u00e1vel <strong>de equipe<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">O exemplo a seguir mostra como usar essa sintaxe na pr\u00e1tica.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Exemplo: plotando m\u00e9dias com barras de erro padr\u00e3o no SAS<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Suponha que temos o seguinte conjunto de dados contendo informa\u00e7\u00f5es sobre pontos marcados por jogadores de basquete de diferentes times:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008000;\">\/*create dataset*\/<\/span><span style=\"color: #800080;\"><span style=\"color: #000000;\"><span style=\"color: #800080;\">\ndata<\/span> my_data;\n    <span style=\"color: #3366ff;\">input<\/span> team $points;\n    <span style=\"color: #3366ff;\">datalines<\/span> ;\nAt 29\nAt 23\nAt 20\nAt 21\nAt 33\nB14\nB 13\nB17\nB14\nB15\nC 21\nC22\nC 20\nC25\nC24\n;\n<span style=\"color: #800080;\">run<\/span> ;\n\n<\/span><span style=\"color: #008000;\">\/*view dataset*\/\n<\/span><span style=\"color: #800080;\">proc print<\/span> <span style=\"color: #3366ff;\">data<\/span> =my_data;<\/span><\/strong><\/span> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-35311 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/sg1.png\" alt=\"\" width=\"163\" height=\"387\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Digamos que queremos criar um gr\u00e1fico mostrando o valor m\u00e9dio <strong>de pontos<\/strong> junto com barras de erro padr\u00e3o para cada <strong>equipe<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Podemos usar a seguinte sintaxe para fazer isso:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008000;\">\/*calculate mean and standard error of points for each team*\/\n<\/span><span style=\"color: #800080;\">proc sql<\/span> ;\n<span style=\"color: #3366ff;\">create table<\/span> groupPlot <span style=\"color: #3366ff;\">as<\/span>\n<span style=\"color: #3366ff;\">select<\/span> \n    team, \n    mean(points) <span style=\"color: #3366ff;\">as<\/span> meanPoints, \n    mean(points) - <span style=\"color: #3366ff;\">stderr<\/span> (points) <span style=\"color: #3366ff;\">as<\/span> lowStdPoints,    \n    mean(points) + <span style=\"color: #3366ff;\">stderr<\/span> (points) <span style=\"color: #3366ff;\">as<\/span> highStdPoints\n<span style=\"color: #3366ff;\">from<\/span> my_data\n<span style=\"color: #3366ff;\">group by<\/span> team;\n<span style=\"color: #800080;\">quit<\/span> ;\n\n<span style=\"color: #008000;\">\/*create plot with mean and standard error bars of points for each team*\/\n<\/span><span style=\"color: #800080;\">proc sgplot<\/span> <span style=\"color: #3366ff;\">data<\/span> =groupPlot;\n<span style=\"color: #3366ff;\">scatter<\/span> <span style=\"color: #3366ff;\">x<\/span> =team <span style=\"color: #3366ff;\">y<\/span> =meanPoints \/ \n    <span style=\"color: #3366ff;\">yerrorlower<\/span> =lowStdPoints <span style=\"color: #3366ff;\">yerrorupper<\/span> =highStdPoints <span style=\"color: #3366ff;\">group<\/span> =team;\n<span style=\"color: #3366ff;\">series<\/span> <span style=\"color: #3366ff;\">x<\/span> =team <span style=\"color: #3366ff;\">y<\/span> =meanPoints \/ <span style=\"color: #3366ff;\">group<\/span> =team;\n<span style=\"color: #800080;\">run<\/span> ;<\/strong><\/span> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-35312 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/sg2.png\" alt=\"\" width=\"616\" height=\"465\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Os pequenos c\u00edrculos mostram o valor m\u00e9dio <strong>dos pontos<\/strong> de cada <strong>equipe<\/strong> e as barras que se estendem dos c\u00edrculos mostram o erro padr\u00e3o dos <strong>pontos<\/strong> de cada <strong>equipe<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Tamb\u00e9m podemos imprimir a tabela que criamos usando <strong>PROC SQL<\/strong> para ver os valores reais da m\u00e9dia e do erro padr\u00e3o:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008000;\">\/*print mean and standard error of points for each team*\/\n<\/span><span style=\"color: #000000;\"><span style=\"color: #800080;\">proc print<\/span> <span style=\"color: #3366ff;\">data<\/span> =groupPlot;<\/span>\n<\/strong><\/span><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-35313 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/sg3.png\" alt=\"\" width=\"408\" height=\"112\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Os valores desta tabela correspondem aos apresentados no gr\u00e1fico acima.<\/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 criar outros gr\u00e1ficos no SAS:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><a href=\"https:\/\/statorials.org\/pt\/camara-de-ar-de-traco-linear\/\" target=\"_blank\" rel=\"noopener\">Como criar gr\u00e1ficos de linhas no SAS<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/caixa-bigode-airlock-por-grupo\/\" target=\"_blank\" rel=\"noopener\">Como criar boxplots por grupo no SAS<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/nuvem-de-pontos-com-linha-de-regressao-sas\/\" target=\"_blank\" rel=\"noopener\">Como criar um gr\u00e1fico de dispers\u00e3o com linha de regress\u00e3o no SAS<\/a><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Voc\u00ea pode usar a seguinte sintaxe no SAS para criar um gr\u00e1fico de valores m\u00e9dios com barras de erro padr\u00e3o por grupo: \/*calculate mean and standard error of points for each team*\/ proc sql ; create table groupPlot as select team, mean(points) as meanPoints, mean(points) &#8211; stderr (points) as lowStdPoints, mean(points) + stderr (points) as [&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-4519","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>SAS: Como tra\u00e7ar m\u00e9dias com barras de erro padr\u00e3o - Statorials<\/title>\n<meta name=\"description\" content=\"Este tutorial explica como plotar valores m\u00e9dios com barras de erro padr\u00e3o 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\/grafico-sas-significa-com-barras-de-erro-padrao\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SAS: Como tra\u00e7ar m\u00e9dias com barras de erro padr\u00e3o - Statorials\" \/>\n<meta property=\"og:description\" content=\"Este tutorial explica como plotar valores m\u00e9dios com barras de erro padr\u00e3o no SAS, com um exemplo.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pt\/grafico-sas-significa-com-barras-de-erro-padrao\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-10T11:00:23+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/sg1.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\/grafico-sas-significa-com-barras-de-erro-padrao\/\",\"url\":\"https:\/\/statorials.org\/pt\/grafico-sas-significa-com-barras-de-erro-padrao\/\",\"name\":\"SAS: Como tra\u00e7ar m\u00e9dias com barras de erro padr\u00e3o - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pt\/#website\"},\"datePublished\":\"2023-07-10T11:00:23+00:00\",\"dateModified\":\"2023-07-10T11:00:23+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\"},\"description\":\"Este tutorial explica como plotar valores m\u00e9dios com barras de erro padr\u00e3o no SAS, com um exemplo.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pt\/grafico-sas-significa-com-barras-de-erro-padrao\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pt\/grafico-sas-significa-com-barras-de-erro-padrao\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pt\/grafico-sas-significa-com-barras-de-erro-padrao\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Lar\",\"item\":\"https:\/\/statorials.org\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Sas: como tra\u00e7ar m\u00e9dias com barras de erro padr\u00e3o\"}]},{\"@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. Com vasta experi\u00eancia e conhecimento na \u00e1rea de estat\u00edstica, estou empenhado em compartilhar meu conhecimento para capacitar os alunos por meio de Statorials. Saber mais\",\"sameAs\":[\"https:\/\/statorials.org\/pt\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"SAS: Como tra\u00e7ar m\u00e9dias com barras de erro padr\u00e3o - Statorials","description":"Este tutorial explica como plotar valores m\u00e9dios com barras de erro padr\u00e3o no SAS, com um exemplo.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/statorials.org\/pt\/grafico-sas-significa-com-barras-de-erro-padrao\/","og_locale":"pt_PT","og_type":"article","og_title":"SAS: Como tra\u00e7ar m\u00e9dias com barras de erro padr\u00e3o - Statorials","og_description":"Este tutorial explica como plotar valores m\u00e9dios com barras de erro padr\u00e3o no SAS, com um exemplo.","og_url":"https:\/\/statorials.org\/pt\/grafico-sas-significa-com-barras-de-erro-padrao\/","og_site_name":"Statorials","article_published_time":"2023-07-10T11:00:23+00:00","og_image":[{"url":"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/sg1.png"}],"author":"Dr. benjamim anderson","twitter_card":"summary_large_image","twitter_misc":{"Escrito por":"Dr. benjamim anderson","Tempo estimado de leitura":"2 minutos"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/statorials.org\/pt\/grafico-sas-significa-com-barras-de-erro-padrao\/","url":"https:\/\/statorials.org\/pt\/grafico-sas-significa-com-barras-de-erro-padrao\/","name":"SAS: Como tra\u00e7ar m\u00e9dias com barras de erro padr\u00e3o - Statorials","isPartOf":{"@id":"https:\/\/statorials.org\/pt\/#website"},"datePublished":"2023-07-10T11:00:23+00:00","dateModified":"2023-07-10T11:00:23+00:00","author":{"@id":"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666"},"description":"Este tutorial explica como plotar valores m\u00e9dios com barras de erro padr\u00e3o no SAS, com um exemplo.","breadcrumb":{"@id":"https:\/\/statorials.org\/pt\/grafico-sas-significa-com-barras-de-erro-padrao\/#breadcrumb"},"inLanguage":"pt-PT","potentialAction":[{"@type":"ReadAction","target":["https:\/\/statorials.org\/pt\/grafico-sas-significa-com-barras-de-erro-padrao\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/statorials.org\/pt\/grafico-sas-significa-com-barras-de-erro-padrao\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Lar","item":"https:\/\/statorials.org\/pt\/"},{"@type":"ListItem","position":2,"name":"Sas: como tra\u00e7ar m\u00e9dias com barras de erro padr\u00e3o"}]},{"@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. Com vasta experi\u00eancia e conhecimento na \u00e1rea de estat\u00edstica, estou empenhado em compartilhar meu conhecimento para capacitar os alunos por meio de Statorials. Saber mais","sameAs":["https:\/\/statorials.org\/pt"]}]}},"yoast_meta":{"yoast_wpseo_title":"","yoast_wpseo_metadesc":"","yoast_wpseo_canonical":""},"_links":{"self":[{"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/posts\/4519","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/comments?post=4519"}],"version-history":[{"count":0,"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/posts\/4519\/revisions"}],"wp:attachment":[{"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/media?parent=4519"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/categories?post=4519"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/statorials.org\/pt\/wp-json\/wp\/v2\/tags?post=4519"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}