{"id":2884,"date":"2023-07-20T06:30:21","date_gmt":"2023-07-20T06:30:21","guid":{"rendered":"https:\/\/statorials.org\/pt\/sas-contagem-de-valores-ausentes\/"},"modified":"2023-07-20T06:30:21","modified_gmt":"2023-07-20T06:30:21","slug":"sas-contagem-de-valores-ausentes","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/sas-contagem-de-valores-ausentes\/","title":{"rendered":"Como contar valores ausentes no sas: com exemplos"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\"><span style=\"color: #000000;\">Voc\u00ea pode usar os seguintes m\u00e9todos para contar o n\u00famero de valores ausentes no SAS:<\/span><\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>M\u00e9todo 1: contar valores ausentes para vari\u00e1veis num\u00e9ricas<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #800080;\">proc means<\/span> <span style=\"color: #3366ff;\">data<\/span> =my_data\n    <span style=\"color: #3366ff;\">NMISS<\/span> ;\n<span style=\"color: #800080;\">run<\/span> ;<\/strong><\/span><\/pre>\n<p> <span style=\"color: #000000;\"><strong>M\u00e9todo 2: contar valores ausentes para vari\u00e1veis de caracteres<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #800080;\">proc sql; \n<span style=\"color: #000000;\"><span style=\"color: #3366ff;\">select<\/span> nmiss(char1) <span style=\"color: #3366ff;\">as<\/span> char1_miss, nmiss(char2) <span style=\"color: #3366ff;\">as<\/span> char2_miss\n    <span style=\"color: #3366ff;\">from<\/span> my_data;<\/span>\nquit;<\/span><\/strong><\/span><\/pre>\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;\"> <span style=\"color: #000000;\"><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 $pos $rebounds assists;\n    <span style=\"color: #3366ff;\">datalines<\/span> ;\nGA 10 8\nBF4.\n. F 7 10\nDC. 14\nEF. 10\nFG 12 7\nGC. 11\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><\/span> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-25207 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/compte-manque1.jpg\" alt=\"\" width=\"263\" height=\"198\" srcset=\"\" sizes=\"auto, \"><\/p>\n<h3> <span style=\"color: #000000;\"><b>Exemplo 1: contar valores ausentes para vari\u00e1veis num\u00e9ricas<\/b><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Podemos usar o c\u00f3digo a seguir para contar o n\u00famero de valores ausentes para cada uma das vari\u00e1veis num\u00e9ricas no conjunto de dados:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">\/*count missing values for each numeric variable*\/\n<span style=\"color: #000000;\"><span style=\"color: #800080;\">proc means<\/span> <span style=\"color: #3366ff;\">data<\/span> =my_data\n    <span style=\"color: #3366ff;\">NMISS<\/span> ;\n<span style=\"color: #800080;\">run<\/span> ;\n<\/span><\/span><\/strong><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-25208 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/compte-manque2.jpg\" alt=\"\" width=\"178\" height=\"123\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Pelo resultado podemos ver:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">Existem 3 valores ausentes no total na coluna <strong>de rejei\u00e7\u00f5es<\/strong> .<\/span><\/li>\n<li> <span style=\"color: #000000;\">H\u00e1 1 valor faltante no total na coluna <strong>de assist\u00eancias<\/strong> .<\/span><\/li>\n<\/ul>\n<h3> <span style=\"color: #000000;\"><b>Exemplo 2: Contar valores ausentes para vari\u00e1veis de caracteres<\/b><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Podemos usar o c\u00f3digo a seguir para contar o n\u00famero de valores ausentes para cada uma das vari\u00e1veis de caracteres no conjunto de dados:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">\/*count missing for each character variable*\/\n<span style=\"color: #000000;\"><span style=\"color: #800080;\">proc sql<\/span> ; \n    <span style=\"color: #3366ff;\">select<\/span> nmiss(team) <span style=\"color: #3366ff;\">as<\/span> team_miss, nmiss(pos) <span style=\"color: #3366ff;\">as<\/span> pos_miss\n    <span style=\"color: #3366ff;\">from<\/span> my_data; \n<span style=\"color: #800080;\">quit<\/span> ;\n<\/span><\/span><\/strong><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-25209 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/compte-manque3.jpg\" alt=\"\" width=\"202\" height=\"86\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Pelo resultado podemos ver:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">H\u00e1 1 valor ausente na coluna <b>Equipe<\/b> .<\/span><\/li>\n<li> <span style=\"color: #000000;\">Existem 0 valores ausentes na coluna <b>pos<\/b> .<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\"><strong>Nota<\/strong> : Voc\u00ea pode encontrar a documenta\u00e7\u00e3o completa do recurso <strong>NMISS<\/strong> <a href=\"https:\/\/documentation.sas.com\/doc\/en\/pgmsascdc\/9.4_3.2\/lefunctionsref\/p0nw8trwk5ooesn1o8zrtd5c6j1t.htm\" target=\"_blank\" rel=\"noopener\">aqui<\/a> .<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Recursos adicionais<\/strong><\/span><\/h3>\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\/normalizar-dados-na-camara-de-ar\/\" target=\"_blank\" rel=\"noopener\">Como normalizar dados no SAS<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/nao-remova-duplicatas\/\" target=\"_blank\" rel=\"noopener\">Como remover duplicatas no SAS<\/a><br \/> <a href=\"https:\/\/statorials.org\/pt\/sem-substituir-valores-ausentes-por-zero\/\" target=\"_blank\" rel=\"noopener\">Como substituir valores ausentes por zero no SAS<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Voc\u00ea pode usar os seguintes m\u00e9todos para contar o n\u00famero de valores ausentes no SAS: M\u00e9todo 1: contar valores ausentes para vari\u00e1veis num\u00e9ricas proc means data =my_data NMISS ; run ; M\u00e9todo 2: contar valores ausentes para vari\u00e1veis de caracteres proc sql; select nmiss(char1) as char1_miss, nmiss(char2) as char2_miss from my_data; quit; Os exemplos a [&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-2884","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 contar valores ausentes no SAS (com exemplos) - Statorials<\/title>\n<meta name=\"description\" content=\"Este tutorial explica como contar valores ausentes no 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\/sas-contagem-de-valores-ausentes\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Como contar valores ausentes no SAS (com exemplos) - Statorials\" \/>\n<meta property=\"og:description\" content=\"Este tutorial explica como contar valores ausentes no SAS, com v\u00e1rios exemplos.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pt\/sas-contagem-de-valores-ausentes\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-20T06:30:21+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/compte-manque1.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\/sas-contagem-de-valores-ausentes\/\",\"url\":\"https:\/\/statorials.org\/pt\/sas-contagem-de-valores-ausentes\/\",\"name\":\"Como contar valores ausentes no SAS (com exemplos) - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pt\/#website\"},\"datePublished\":\"2023-07-20T06:30:21+00:00\",\"dateModified\":\"2023-07-20T06:30:21+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\"},\"description\":\"Este tutorial explica como contar valores ausentes no SAS, com v\u00e1rios exemplos.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pt\/sas-contagem-de-valores-ausentes\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pt\/sas-contagem-de-valores-ausentes\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pt\/sas-contagem-de-valores-ausentes\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Lar\",\"item\":\"https:\/\/statorials.org\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Como contar valores ausentes no 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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