{"id":2611,"date":"2023-07-21T12:23:47","date_gmt":"2023-07-21T12:23:47","guid":{"rendered":"https:\/\/statorials.org\/pl\/sa-nie-jest-zerem\/"},"modified":"2023-07-21T12:23:47","modified_gmt":"2023-07-21T12:23:47","slug":"sa-nie-jest-zerem","status":"publish","type":"post","link":"https:\/\/statorials.org\/pl\/sa-nie-jest-zerem\/","title":{"rendered":"Sas: jak wybra\u0107 obserwacje, kt\u00f3re nie s\u0105 zerowe"},"content":{"rendered":"

<\/p>\n

\n

Mo\u017cesz u\u017cy\u0107 poni\u017cszej podstawowej sk\u0142adni, aby wybra\u0107 obserwacje ze zbioru danych w SAS-ie, gdzie okre\u015blona warto\u015b\u0107 kolumny nie jest r\u00f3wna zero:<\/span><\/p>\n

 \/*select only rows where var1 is not null*\/\nproc sql<\/span> ;\n\tselect<\/span> *\n\tfrom<\/span> my_data1\n\twhere not<\/span> missing(var1);\nquit<\/span> ;<\/span><\/span><\/strong><\/pre>\n
 Poni\u017cszy przyk\u0142ad pokazuje, jak zastosowa\u0107 t\u0119 sk\u0142adni\u0119 w praktyce.<\/span><\/span><\/p>\n
 Przyk\u0142ad: Wybierz obserwacje, kt\u00f3re w SAS-ie nie s\u0105 zerowe<\/b><\/span><\/h3>\n
 Za\u0142\u00f3\u017cmy, \u017ce mamy nast\u0119puj\u0105cy zestaw danych w SAS-ie:<\/span> <\/p>\n
 \/*create dataset*\/\ndata<\/span> my_data1;\n    input<\/span> team $points;\n    datalines<\/span> ;\nAt 15\nB.\nC22\nD 19\nE29\nF.\nG 40\nH 35\n;\nrun;\n\n\/*view dataset*\/\n<\/span>proc print<\/span> data<\/span> =my_data1;\n<\/span><\/span><\/strong><\/pre>\n
\"\"<\/p>\n
 Zwr\u00f3\u0107 uwag\u0119, \u017ce w kolumnie punkt\u00f3w<\/strong> znajduj\u0105 si\u0119 warto\u015bci zerowe.<\/span><\/p>\n
 Mo\u017cemy u\u017cy\u0107 poni\u017cszego kodu, aby wybra\u0107 wszystkie wiersze, w kt\u00f3rych warto\u015b\u0107 w kolumnie punkt\u00f3w<\/strong> nie wynosi zero:<\/span> <\/p>\n
 \/*select only rows where points is not blank*\/\nproc sql<\/span> ;\n\tselect<\/span> *\n\tfrom<\/span> my_data1\n\twhere not<\/span> missing(points);\nquit<\/span> ;<\/span><\/span><\/strong> <\/pre>\n
\"\"<\/p>\n
 Nale\u017cy pami\u0119ta\u0107, \u017ce zwracane s\u0105 tylko wiersze, kt\u00f3rych warto\u015b\u0107 w kolumnie punkt\u00f3w<\/strong> nie wynosi zero.<\/span><\/p>\n
 Pami\u0119taj, \u017ce mo\u017cesz tak\u017ce u\u017cy\u0107 funkcji count()<\/strong> w proc sql<\/strong> , aby policzy\u0107 liczb\u0119 obserwacji, kt\u00f3rych warto\u015b\u0107 w kolumnie punkt\u00f3w<\/strong> nie wynosi zero:<\/span> <\/p>\n
 \/*count rows where points is not blank*\/\nproc sql<\/span> ;\n\tselect<\/span> count(*)\n\tfrom<\/span> my_data1\n\twhere not<\/span> missing(points);\nquit<\/span> ;<\/span><\/span><\/strong> <\/pre>\n
\"\"<\/p>\n
 To m\u00f3wi nam, \u017ce 6 obserwacji w zbiorze danych ma warto\u015b\u0107 r\u00f3\u017cn\u0105 od zera w kolumnie punkt\u00f3w<\/strong> .<\/span><\/p>\n
 Dodatkowe zasoby<\/span><\/strong><\/span><\/h3>\n
 Poni\u017csze samouczki wyja\u015bniaj\u0105, jak wykonywa\u0107 inne typowe zadania w SAS-ie:<\/span><\/p>\n
 Jak normalizowa\u0107 dane w SAS-ie<\/a>
 Jak zmieni\u0107 nazwy zmiennych w SAS-ie<\/a>
 Jak usun\u0105\u0107 duplikaty w SAS-ie<\/a>
 Jak zast\u0105pi\u0107 brakuj\u0105ce warto\u015bci zerem w SAS-ie<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
Mo\u017cesz u\u017cy\u0107 poni\u017cszej podstawowej sk\u0142adni, aby wybra\u0107 obserwacje ze zbioru danych w SAS-ie, gdzie okre\u015blona warto\u015b\u0107 kolumny nie jest r\u00f3wna zero: \/*select only rows where var1 is not null*\/ proc sql ; select * from my_data1 where not missing(var1); quit ; Poni\u017cszy przyk\u0142ad pokazuje, jak zastosowa\u0107 t\u0119 sk\u0142adni\u0119 w praktyce. Przyk\u0142ad: Wybierz obserwacje, kt\u00f3re w […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-2611","post","type-post","status-publish","format-standard","hentry","category-przewodnik"],"yoast_head":"\nSAS: Jak wybra\u0107 obserwacje, kt\u00f3re nie s\u0105 zerowe - Statologia<\/title>\n<meta name=\"description\" content=\"W tym samouczku wyja\u015bniono, jak wybra\u0107 obserwacje ze zbioru danych w SAS-ie, kt\u00f3re nie s\u0105 zerowe.\" \/>\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\/pl\/sa-nie-jest-zerem\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SAS: Jak wybra\u0107 obserwacje, kt\u00f3re nie s\u0105 zerowe - Statologia\" \/>\n<meta property=\"og:description\" content=\"W tym samouczku wyja\u015bniono, jak wybra\u0107 obserwacje ze zbioru danych w SAS-ie, kt\u00f3re nie s\u0105 zerowe.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pl\/sa-nie-jest-zerem\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-21T12:23:47+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/null1.jpg\" \/>\n<meta name=\"author\" content=\"Benjamin Anderson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Napisane przez\" \/>\n\t<meta name=\"twitter:data1\" content=\"Benjamin Anderson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Szacowany czas czytania\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minuta\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/pl\/sa-nie-jest-zerem\/\",\"url\":\"https:\/\/statorials.org\/pl\/sa-nie-jest-zerem\/\",\"name\":\"SAS: Jak wybra\u0107 obserwacje, kt\u00f3re nie s\u0105 zerowe - Statologia\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pl\/#website\"},\"datePublished\":\"2023-07-21T12:23:47+00:00\",\"dateModified\":\"2023-07-21T12:23:47+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965\"},\"description\":\"W tym samouczku wyja\u015bniono, jak wybra\u0107 obserwacje ze zbioru danych w SAS-ie, kt\u00f3re nie s\u0105 zerowe.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pl\/sa-nie-jest-zerem\/#breadcrumb\"},\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pl\/sa-nie-jest-zerem\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pl\/sa-nie-jest-zerem\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Dom\",\"item\":\"https:\/\/statorials.org\/pl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Sas: jak wybra\u0107 obserwacje, kt\u00f3re nie s\u0105 zerowe\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/statorials.org\/pl\/#website\",\"url\":\"https:\/\/statorials.org\/pl\/\",\"name\":\"Statorials\",\"description\":\"Tw\u00f3j przewodnik po kompetencjach statystycznych!\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/statorials.org\/pl\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"pl-PL\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965\",\"name\":\"Benjamin Anderson\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"pl-PL\",\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/statorials.org\/pl\/wp-content\/uploads\/2023\/11\/Benjamin-Anderson-96x96.jpg\",\"contentUrl\":\"https:\/\/statorials.org\/pl\/wp-content\/uploads\/2023\/11\/Benjamin-Anderson-96x96.jpg\",\"caption\":\"Benjamin Anderson\"},\"description\":\"Cze\u015b\u0107, jestem Benjamin i jestem emerytowanym profesorem statystyki, kt\u00f3ry zosta\u0142 oddanym nauczycielem Statorials. 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