{"id":4217,"date":"2023-07-12T19:10:43","date_gmt":"2023-07-12T19:10:43","guid":{"rendered":"https:\/\/statorials.org\/nl\/sas-proc-freq-opdracht\/"},"modified":"2023-07-12T19:10:43","modified_gmt":"2023-07-12T19:10:43","slug":"sas-proc-freq-opdracht","status":"publish","type":"post","link":"https:\/\/statorials.org\/nl\/sas-proc-freq-opdracht\/","title":{"rendered":"Sas: proc freq gebruiken met de order-optie"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">U kunt <strong>PROC FREQ<\/strong> gebruiken met de optie <strong>ORDER=FREQ<\/strong> in SAS om een frequentietabel te maken waarin de categorie\u00ebn in de tabel op frequentie zijn gesorteerd.<\/span><\/p>\n<p> <span style=\"color: #000000;\">U kunt hiervoor de volgende syntaxis gebruiken:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #800080;\">proc freq<\/span> data=my_data <span style=\"color: #3366ff;\">order<\/span> =freq;\n    <span style=\"color: #3366ff;\">tables<\/span> my_variable;\n<span style=\"color: #800080;\">run<\/span> ;<\/strong><\/span><\/pre>\n<p> <span style=\"color: #000000;\">Het volgende voorbeeld laat zien hoe u deze syntaxis in de praktijk kunt gebruiken.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Voorbeeld: PROC FREQ gebruiken met de ORDER-optie in SAS<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Voor dit voorbeeld gebruiken we de ingebouwde SAS-dataset genaamd <a href=\"https:\/\/documentation.sas.com\/doc\/en\/pgmsascdc\/9.4_3.4\/statug\/statug_sashelp_sect004.htm\" target=\"_blank\" rel=\"noopener\">BirthWgt<\/a> , die verschillende kenmerken bevat van 100.000 moeders die onlangs zijn bevallen.<\/span><\/p>\n<p> <span style=\"color: #000000;\">We kunnen <strong>PROC PRINT<\/strong> gebruiken om de eerste 10 waarnemingen in deze dataset weer te geven:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">\/*view first 10 observations from <i>BirthWgt<\/i> dataset*\/\n<\/span><span style=\"color: #800080;\">proc print<\/span> <span style=\"color: #3366ff;\">data<\/span> =sashelp.BirthWgt( <span style=\"color: #3366ff;\">obs<\/span> = <span style=\"color: #008000;\">10<\/span> );\n\n<span style=\"color: #800080;\">run<\/span> ;\n<\/strong><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-22482 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/poids1-1.jpg\" alt=\"\" width=\"563\" height=\"251\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">We kunnen de volgende code gebruiken om een frequentietabel te maken voor de Race-variabele:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008000;\">\/*create frequency table for Race variable*\/\n<\/span><span style=\"color: #800080;\">proc freq<\/span> <span style=\"color: #3366ff;\">data<\/span> =sashelp.BirthWgt;\n\tRace <span style=\"color: #3366ff;\">tables<\/span> ;\n<span style=\"color: #800080;\">run<\/span> ;<\/strong><\/span> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-22483\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/poids2-1.jpg\" alt=\"frequentietabel in SAS\" width=\"421\" height=\"220\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\"><span style=\"color: #000000;\">Houd er rekening mee dat de categorie\u00ebn momenteel alfabetisch zijn gesorteerd.<\/span><\/span><\/p>\n<p> <span style=\"color: #000000;\">Om categorie\u00ebn op frequentie te sorteren, kunnen we de volgende syntaxis gebruiken:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008000;\">\/*create frequency table for Race variable, sorted by frequency*\/\n<\/span><span style=\"color: #800080;\">proc freq<\/span> <span style=\"color: #3366ff;\">data<\/span> =sashelp.BirthWgt <span style=\"color: #3366ff;\">order<\/span> =freq;\n\tRace <span style=\"color: #3366ff;\">tables<\/span> ;\n<span style=\"color: #800080;\">run<\/span> ;<\/strong><\/span> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-22484\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/poids3.jpg\" alt=\"SAS PROC FREQ met COMMAND-optie\" width=\"420\" height=\"213\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Houd er rekening mee dat categorie\u00ebn nu worden gesorteerd op basis van frequentie, van hoog naar laag.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Helaas is er geen ingebouwde optie om categorie\u00ebn te sorteren op basis van frequentie, van laag naar hoog.<\/span><\/p>\n<p> <span style=\"color: #000000;\">U kunt echter de volgende oplossing gebruiken met de <strong>PROC SORT-<\/strong> instructie om te sorteren op frequentie, van laag naar hoog:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #800080;\"><span style=\"color: #008000;\">\/*create frequency table and store results in Racefreq*\/\n<\/span><span style=\"color: #000000;\"><span style=\"color: #800080;\">proc freq<\/span> data=sashelp.BirthWgt <span style=\"color: #3366ff;\">noprint<\/span> ;\n   <span style=\"color: #3366ff;\">tables<\/span> Race \/ <span style=\"color: #3366ff;\">out<\/span> =Racefreq;\n<span style=\"color: #800080;\">run<\/span> ;<\/span>\n\n<span style=\"color: #008000;\">\/*sort Racefreq based on frequency from lowest to highest*\/\n<\/span><span style=\"color: #000000;\"><span style=\"color: #800080;\">proc sort<\/span> <span style=\"color: #3366ff;\">data<\/span> =Racefreq;\n  <span style=\"color: #3366ff;\">by<\/span> count;\n<span style=\"color: #800080;\">run<\/span> ;<\/span>\n\n<span style=\"color: #008000;\">\/*create new dataset with cumulative freq and cumulative percent*\/\n<\/span><span style=\"color: #000000;\"><span style=\"color: #800080;\">data<\/span> freq_low_to_high;\n  <span style=\"color: #3366ff;\">set<\/span> Racefreq;\n  cumcount + count;\n  cumcent + percent;\n<span style=\"color: #800080;\">run<\/span> ;\n<\/span>\n<span style=\"color: #008000;\">\/*view results*\/\n<\/span><span style=\"color: #000000;\"><span style=\"color: #800080;\">proc print<\/span> <span style=\"color: #3366ff;\">data<\/span> =freq_low_to_high;<\/span><\/span><\/strong><\/span> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-33353\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/procf1.jpg\" alt=\"SAS PROC FREQ sorteert in oplopende volgorde\" width=\"440\" height=\"165\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Houd er rekening mee dat categorie\u00ebn nu worden gesorteerd op basis van frequentie, van laag naar hoog.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Aanvullende bronnen<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">In de volgende zelfstudies wordt uitgelegd hoe u andere veelvoorkomende taken in SAS kunt uitvoeren:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/nl\/sas-proc-freq-of\/\" target=\"_blank\" rel=\"noopener\">SAS: PROC FREQ gebruiken met de WHERE-instructie<\/a><br \/> <a href=\"https:\/\/statorials.org\/nl\/sas-proc-freq-per-groep\/\" target=\"_blank\" rel=\"noopener\">SAS: Hoe PROC FREQ per groep te gebruiken<\/a><br \/> <a href=\"https:\/\/statorials.org\/nl\/sas-proc-rang\/\" target=\"_blank\" rel=\"noopener\">SAS: PROC RANK gebruiken<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>U kunt PROC FREQ gebruiken met de optie ORDER=FREQ in SAS om een frequentietabel te maken waarin de categorie\u00ebn in de tabel op frequentie zijn gesorteerd. U kunt hiervoor de volgende syntaxis gebruiken: proc freq data=my_data order =freq; tables my_variable; run ; Het volgende voorbeeld laat zien hoe u deze syntaxis in de praktijk kunt [&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-4217","post","type-post","status-publish","format-standard","hentry","category-gids"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>SAS: PROC FREQ gebruiken met ORDER-optie - Statorials<\/title>\n<meta name=\"description\" content=\"In deze tutorial wordt uitgelegd hoe u PROC FREQ gebruikt met de ORDER-optie in SAS, 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\/sas-proc-freq-opdracht\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SAS: PROC FREQ gebruiken met ORDER-optie - Statorials\" \/>\n<meta property=\"og:description\" content=\"In deze tutorial wordt uitgelegd hoe u PROC FREQ gebruikt met de ORDER-optie in SAS, met verschillende voorbeelden.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/nl\/sas-proc-freq-opdracht\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-12T19:10:43+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/poids1-1.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\/sas-proc-freq-opdracht\/\",\"url\":\"https:\/\/statorials.org\/nl\/sas-proc-freq-opdracht\/\",\"name\":\"SAS: PROC FREQ gebruiken met ORDER-optie - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/nl\/#website\"},\"datePublished\":\"2023-07-12T19:10:43+00:00\",\"dateModified\":\"2023-07-12T19:10:43+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/nl\/#\/schema\/person\/d4b8842173cca1bb62cdec41860e4219\"},\"description\":\"In deze tutorial wordt uitgelegd hoe u PROC FREQ gebruikt met de ORDER-optie in SAS, met verschillende voorbeelden.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/nl\/sas-proc-freq-opdracht\/#breadcrumb\"},\"inLanguage\":\"de\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/nl\/sas-proc-freq-opdracht\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/nl\/sas-proc-freq-opdracht\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Thuis\",\"item\":\"https:\/\/statorials.org\/nl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Sas: proc freq gebruiken met de order-optie\"}]},{\"@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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