{"id":2630,"date":"2023-07-21T10:33:37","date_gmt":"2023-07-21T10:33:37","guid":{"rendered":"https:\/\/statorials.org\/nl\/subgegevensset-in-sas\/"},"modified":"2023-07-21T10:33:37","modified_gmt":"2023-07-21T10:33:37","slug":"subgegevensset-in-sas","status":"publish","type":"post","link":"https:\/\/statorials.org\/nl\/subgegevensset-in-sas\/","title":{"rendered":"Gegevens subsetten in sas (3 voorbeelden)"},"content":{"rendered":"

<\/p>\n

\n

Hier volgen de drie meest voorkomende manieren om een gegevensset in SAS onder te verdelen:<\/span><\/span><\/p>\n

Methode 1: Kies welke kolommen u wilt behouden<\/strong><\/span><\/p>\n

 data<\/span> new_data;\n    set<\/span> original_data;\n    keep<\/span> var1 var3;\nrun<\/span> ;\n<\/strong><\/span><\/pre>\n
 Methode 2: Kies welke kolommen u wilt verwijderen<\/strong><\/span><\/p>\n
 data<\/span> new_data;\n    <\/span>set<\/span> original_data;\n    <\/span>dropvar4<\/span> ;\n<\/span>run<\/span> ;<\/span><\/strong><\/span><\/pre>\n
 Methode 3: Kies welke rijen u wilt behouden op basis van de voorwaarde<\/strong><\/span><\/p>\n
 data<\/span> new_data;\n    set<\/span> original_data;\n    if<\/span> var1 < 25<\/span> then<\/span> delete;\nrun<\/span> ;<\/strong><\/span><\/pre>\n
 De volgende voorbeelden laten zien hoe u elke methode kunt gebruiken met de volgende gegevensset in SAS:<\/span> <\/p>\n
 \/*create dataset*\/\ndata<\/span> original_data;\n    input<\/span> team $pointsrebounds;\n    datalines<\/span> ;\nWarriors 25 8\nWizards 18 12\nRockets 22 6\nCeltics 24 11\nThunder 27 14\nSpurs 33 19\nNets 31 20\n;\nrun<\/span> ;\n\n\/*view dataset*\/\n<\/span>proc print<\/span> data<\/span> = original_data;<\/span><\/span><\/strong> <\/pre>\n
\"\"<\/p>\n
 Voorbeeld 1: Kies welke kolommen u wilt behouden<\/strong><\/b><\/span><\/h3>\n
 De volgende code laat zien hoe u een gegevensset kunt subsetten met behulp van de KEEP-<\/strong> instructie om alleen bepaalde kolommen te behouden:<\/span> <\/p>\n
 \/*create new dataset*\/<\/span>\ndata<\/span> new_data;\n    set<\/span> original_data;\n    keep<\/span> team points;\nrun<\/span> ;\n\n\/*view new dataset*\/<\/span>\nproc print<\/span> data<\/span> = new_data;\n<\/strong><\/span><\/pre>\n
\"\"<\/p>\n
 Voorbeeld 2: Kies de kolommen die u wilt verwijderen<\/strong><\/b><\/span><\/h3>\n
 De volgende code laat zien hoe u een gegevensset kunt subsetten met behulp van de DROP-<\/b> instructie om specifieke kolommen te verwijderen:<\/span> <\/p>\n
 \/*create new dataset*\/<\/span>\ndata<\/span> new_data;\n    <\/span>set<\/span> original_data;\n    <\/span>drop<\/span> points;\n<\/span>run<\/span> ;\n\n\/*view new dataset*\/<\/span>\nproc print<\/span> data<\/span> = new_data;\n<\/span><\/strong><\/span><\/pre>\n
\"\"<\/p>\n
 Voorbeeld 3: Kies welke rijen u wilt behouden op basis van de voorwaarde<\/strong><\/b><\/span><\/h3>\n
 De volgende code laat zien hoe u een gegevensset kunt subsetten met behulp van de DELETE-<\/b> instructie om specifieke rijen uit de gegevensset te verwijderen waarvan de waarde in de puntkolom<\/strong> kleiner is dan 25:<\/span> <\/p>\n
 \/*create new dataset*\/<\/span>\ndata<\/span> new_data;\n    set<\/span> original_data;\n    if<\/span> points < 25<\/span> then<\/span> delete;\nrun<\/span> ;\n\n\/*view new dataset*\/<\/span>\nproc print<\/span> data<\/span> = new_data;\n<\/strong><\/span><\/pre>\n
\"\"<\/p>\n
 U kunt ook de OR<\/strong> \u201c |<\/strong> gebruiken \u201d om lijnen te verwijderen waar de punten<\/strong> minder dan 25 zijn of<\/em> de rebounds<\/strong> minder dan 10:<\/span> <\/p>\n
 \/*create new dataset*\/<\/span>\ndata<\/span> new_data;\n    set<\/span> original_data;\n    if<\/span> points < 25 | rebounds <<\/span> 10<\/span> then<\/span> delete;\nrun<\/span> ;\n\n\/*view new dataset*\/<\/span>\nproc print<\/span> data<\/span> = new_data;<\/strong><\/span> <\/pre>\n
\"\"<\/p>\n
 U kunt ook de operator AND<\/strong> “ &<\/strong> “ gebruiken om lijnen te verwijderen waarbij de punten<\/strong> minder dan 25 zijn en<\/i> de bounces<\/strong> minder dan 10:<\/span> <\/p>\n
 \/*create new dataset*\/<\/span>\ndata<\/span> new_data;\n    set<\/span> original_data;\n    if<\/span> points < 25 & rebounds <<\/span> 10<\/span> then<\/span> delete;\nrun<\/span> ;\n\n\/*view new dataset*\/<\/span>\nproc print<\/span> data<\/span> = new_data;<\/strong><\/span> <\/pre>\n
\"\"<\/p>\n
 Aanvullende bronnen<\/strong><\/span><\/h3>\n
 In de volgende zelfstudies wordt uitgelegd hoe u andere veelvoorkomende taken in SAS kunt uitvoeren:<\/span><\/p>\n
 Variabelen hernoemen in SAS<\/a>
 Nieuwe variabelen maken in SAS<\/a>
 Hoe tekens in een string in SAS te vervangen<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
Hier volgen de drie meest voorkomende manieren om een gegevensset in SAS onder te verdelen: Methode 1: Kies welke kolommen u wilt behouden data new_data; set original_data; keep var1 var3; run ; Methode 2: Kies welke kolommen u wilt verwijderen data new_data; set original_data; dropvar4 ; run ; Methode 3: Kies welke rijen u wilt […]<\/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-2630","post","type-post","status-publish","format-standard","hentry","category-gids"],"yoast_head":"\nGegevens subsetten in SAS (3 voorbeelden) - Statorials<\/title>\n<meta name=\"description\" content=\"In deze zelfstudie wordt uitgelegd hoe u gegevens in SAS kunt subsetten, met verschillende voorbeelden.\" \/>\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\/nl\/subgegevensset-in-sas\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Gegevens subsetten in SAS (3 voorbeelden) - Statorials\" \/>\n<meta property=\"og:description\" content=\"In deze zelfstudie wordt uitgelegd hoe u gegevens in SAS kunt subsetten, met verschillende voorbeelden.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/nl\/subgegevensset-in-sas\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-21T10:33:37+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/sous-ensemble3.jpg\" \/>\n<meta name=\"author\" content=\"Dr.benjamin anderson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Verfasst von\" \/>\n\t<meta name=\"twitter:data1\" content=\"Dr.benjamin anderson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Gesch\u00e4tzte Lesezeit\" \/>\n\t<meta name=\"twitter:data2\" content=\"2\u00a0Minuten\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/nl\/subgegevensset-in-sas\/\",\"url\":\"https:\/\/statorials.org\/nl\/subgegevensset-in-sas\/\",\"name\":\"Gegevens subsetten in SAS (3 voorbeelden) - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/nl\/#website\"},\"datePublished\":\"2023-07-21T10:33:37+00:00\",\"dateModified\":\"2023-07-21T10:33:37+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/nl\/#\/schema\/person\/d4b8842173cca1bb62cdec41860e4219\"},\"description\":\"In deze zelfstudie wordt uitgelegd hoe u gegevens in SAS kunt subsetten, met verschillende voorbeelden.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/nl\/subgegevensset-in-sas\/#breadcrumb\"},\"inLanguage\":\"de\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/nl\/subgegevensset-in-sas\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/nl\/subgegevensset-in-sas\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Thuis\",\"item\":\"https:\/\/statorials.org\/nl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Gegevens subsetten in sas (3 voorbeelden)\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/statorials.org\/nl\/#website\",\"url\":\"https:\/\/statorials.org\/nl\/\",\"name\":\"Statorials\",\"description\":\"Uw gids voor statistische competentie\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/statorials.org\/nl\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"de\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/statorials.org\/nl\/#\/schema\/person\/d4b8842173cca1bb62cdec41860e4219\",\"name\":\"Dr.benjamin anderson\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"de\",\"@id\":\"https:\/\/statorials.org\/nl\/#\/schema\/person\/image\/\",\"url\":\"http:\/\/statorials.org\/nl\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"contentUrl\":\"http:\/\/statorials.org\/nl\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"caption\":\"Dr.benjamin anderson\"},\"description\":\"Ik ben Benjamin, een gepensioneerde hoogleraar statistiek die nu een toegewijde Statorials-lesgever is. 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