{"id":2565,"date":"2023-07-21T17:22:30","date_gmt":"2023-07-21T17:22:30","guid":{"rendered":"https:\/\/statorials.org\/nl\/sas-hernoemen-van-variabelen\/"},"modified":"2023-07-21T17:22:30","modified_gmt":"2023-07-21T17:22:30","slug":"sas-hernoemen-van-variabelen","status":"publish","type":"post","link":"https:\/\/statorials.org\/nl\/sas-hernoemen-van-variabelen\/","title":{"rendered":"Variabelen hernoemen in sas (met voorbeelden)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">U kunt de functie <strong>hernoemen<\/strong> gebruiken om een of meer variabelen in een SAS-gegevensset te hernoemen.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Deze functie gebruikt de volgende basissyntaxis:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #800080;\">data<\/span> new_data;\n    <span style=\"color: #3366ff;\">set<\/span> original_data ( <span style=\"color: #3366ff;\">rename<\/span> =(old_name=new_name));\n<span style=\"color: #800080;\">run<\/span> ;<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">De volgende voorbeelden laten zien hoe u deze functie in de praktijk kunt gebruiken met de volgende dataset:<\/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> original_data;\n    <span style=\"color: #3366ff;\">input<\/span> xyz;\n    <span style=\"color: #3366ff;\">datalines<\/span> ;\n1 4 76\n2 3 49\n2 3 85\n4 5 88\n2 2 90\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> = original_data;<\/strong><\/span> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-22771 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/renommer1.jpg\" alt=\"\" width=\"140\" height=\"169\" srcset=\"\" sizes=\"auto, \"><\/p>\n<h3> <span style=\"color: #000000;\"><b>Voorbeeld 1: Hernoem een variabele<\/b><\/span><\/h3>\n<p> <span style=\"color: #000000;\">De volgende code laat zien hoe u alleen de <strong>x-<\/strong> variabele in de gegevensset kunt hernoemen:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008000;\">\/*rename one variable*\/\n<\/span><span style=\"color: #800080;\">data<\/span> <span style=\"color: #000000;\">new_data;\n<\/span><span style=\"color: #3366ff;\">set<\/span> <span style=\"color: #000000;\">original_data (<\/span> <span style=\"color: #3366ff;\">rename<\/span> <span style=\"color: #000000;\">=(x=new_x));\n<\/span><span style=\"color: #800080;\">run<\/span> <span style=\"color: #000000;\">;\n\n<\/span><span style=\"color: #008000;\">\/*view new dataset*\/\n<\/span><span style=\"color: #800080;\">proc print<\/span> <span style=\"color: #3366ff;\">data<\/span> <span style=\"color: #000000;\">= new_data;\n<\/span><\/strong><\/span><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-22772 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/renommer2.jpg\" alt=\"\" width=\"169\" height=\"166\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Merk op dat <strong>x<\/strong> werd hernoemd <strong>naar new_x<\/strong> , maar dat alle andere namen van variabelen hetzelfde bleven.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><b>Voorbeeld 2: Hernoem meerdere variabelen<\/b><\/span><\/h3>\n<p> <span style=\"color: #000000;\">De volgende code laat zien hoe u de <strong>x-<\/strong> en <strong>y<\/strong> -variabelen in de gegevensset kunt hernoemen.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Houd er rekening mee dat u geen komma&#8217;s hoeft op te nemen tussen nieuwe namen van variabelen.<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">\/*rename multiple variables*\/\n<span style=\"color: #000000;\"><span style=\"color: #800080;\">data<\/span> new_data;\n    <span style=\"color: #3366ff;\">set<\/span> original_data ( <span style=\"color: #3366ff;\">rename<\/span> =(x=new_x y=new_y));\n<span style=\"color: #800080;\">run<\/span> ;\n\n<span style=\"color: #008000;\">\/*view new dataset*\/\n<\/span><span style=\"color: #800080;\">proc print<\/span> data=new_data;<\/span><\/span><\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-22773 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/renommer3.jpg\" alt=\"\" width=\"199\" height=\"159\" srcset=\"\" sizes=\"auto, \"><\/p>\n<h3> <span style=\"color: #000000;\"><b>Voorbeeld 3: Voeg een voorvoegsel toe aan alle variabelen<\/b><\/span><\/h3>\n<p> <span style=\"color: #000000;\">De volgende code laat zien hoe u het voorvoegsel <strong>_NEW<\/strong> aan alle variabelen in de gegevensset toevoegt:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008000;\">\/*define prefix to append to each variable*\/\n<\/span><span style=\"color: #800080;\">proc sql<\/span> <span style=\"color: #3366ff;\">noprint<\/span> ;\n   <span style=\"color: #3366ff;\">select<\/span> cats(name, '=', '_NEW', name)\n          <span style=\"color: #3366ff;\">into<\/span> :list\n          separated by ' '\n          <span style=\"color: #3366ff;\">from<\/span> dictionary.columns\n          <span style=\"color: #3366ff;\">where<\/span> libname = 'WORK' <span style=\"color: #3366ff;\">and<\/span> memname = 'ORIGINAL_DATA';\n<span style=\"color: #800080;\">quit<\/span> ;\n\n<span style=\"color: #008000;\">\/*add prefix to each variable in dataset*\/\n<\/span><span style=\"color: #800080;\">proc datasets<\/span> <span style=\"color: #3366ff;\">library<\/span> = work;\n   <span style=\"color: #3366ff;\">modify<\/span> original_data;\n   <span style=\"color: #3366ff;\">rename<\/span> &amp;list;\n<span style=\"color: #800080;\">quit<\/span> ;\n\n<span style=\"color: #008000;\">\/*view updated dataset*\/\n<\/span><span style=\"color: #800080;\">proc print<\/span> <span style=\"color: #3366ff;\">data<\/span> = original_data;<\/strong><\/span> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-22775 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/renommer5.jpg\" alt=\"\" width=\"245\" height=\"166\" srcset=\"\" sizes=\"auto, \"><\/p>\n<h3> <span style=\"color: #000000;\"><b>Voorbeeld 4: Voeg een achtervoegsel toe aan alle variabelen<\/b><\/span><\/h3>\n<p> <span style=\"color: #000000;\">De volgende code laat zien hoe u het achtervoegsel <strong>_NEW<\/strong> aan alle variabelen in de gegevensset toevoegt:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008000;\">\/*define suffix to append to each variable*\/\n<\/span><span style=\"color: #800080;\">proc sql<\/span> <span style=\"color: #3366ff;\">noprint<\/span> ;\n   <span style=\"color: #3366ff;\">select<\/span> cats(name, '=', name, '_NEW')\n          <span style=\"color: #3366ff;\">into<\/span> :list\n          separated by ' '\n          <span style=\"color: #3366ff;\">from<\/span> dictionary.columns\n          <span style=\"color: #3366ff;\">where<\/span> libname = 'WORK' <span style=\"color: #3366ff;\">and<\/span> memname = 'ORIGINAL_DATA';\n<span style=\"color: #800080;\">quit<\/span> ;\n\n<span style=\"color: #008000;\">\/*add suffix to each variable in dataset*\/\n<\/span><span style=\"color: #800080;\">proc datasets<\/span> <span style=\"color: #3366ff;\">library<\/span> = work;\n   <span style=\"color: #3366ff;\">modify<\/span> original_data;\n   <span style=\"color: #3366ff;\">rename<\/span> &amp;list;\n<span style=\"color: #800080;\">quit<\/span> ;\n\n<span style=\"color: #008000;\">\/*view updated dataset*\/\n<\/span><span style=\"color: #800080;\">proc print<\/span> <span style=\"color: #3366ff;\">data<\/span> = original_data;<\/strong><\/span> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-22774 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/renommer4.jpg\" alt=\"\" width=\"244\" height=\"164\" srcset=\"\" sizes=\"auto, \"><\/p>\n<h3> <span style=\"color: #000000;\"><strong><span style=\"color: #000000;\">Aanvullende bronnen<\/span><\/strong><\/span><\/h3>\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\/zonder-ontbrekende-waarden-te-vervangen-door-nul\/\" target=\"_blank\" rel=\"noopener\">Hoe ontbrekende waarden te vervangen door nul in SAS<\/a><br \/> <a href=\"https:\/\/statorials.org\/nl\/verwijder-geen-duplicaten\/\" target=\"_blank\" rel=\"noopener\">Hoe duplicaten in SAS te verwijderen<\/a><br \/> <a href=\"https:\/\/statorials.org\/nl\/normaliseer-gegevens-in-de-luchtsluis\/\" target=\"_blank\" rel=\"noopener\">Gegevens normaliseren in SAS<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>U kunt de functie hernoemen gebruiken om een of meer variabelen in een SAS-gegevensset te hernoemen. Deze functie gebruikt de volgende basissyntaxis: data new_data; set original_data ( rename =(old_name=new_name)); run ; De volgende voorbeelden laten zien hoe u deze functie in de praktijk kunt gebruiken met de volgende dataset: \/*create dataset*\/ data original_data; input xyz; [&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-2565","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>Variabelen hernoemen in SAS (met voorbeelden) - Statorials<\/title>\n<meta name=\"description\" content=\"In deze zelfstudie wordt uitgelegd hoe u de naam van variabelen in SAS kunt wijzigen, 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-hernoemen-van-variabelen\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Variabelen hernoemen in SAS (met voorbeelden) - Statorials\" \/>\n<meta property=\"og:description\" content=\"In deze zelfstudie wordt uitgelegd hoe u de naam van variabelen in SAS kunt wijzigen, met verschillende voorbeelden.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/nl\/sas-hernoemen-van-variabelen\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-21T17:22:30+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/renommer1.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-hernoemen-van-variabelen\/\",\"url\":\"https:\/\/statorials.org\/nl\/sas-hernoemen-van-variabelen\/\",\"name\":\"Variabelen hernoemen in SAS (met voorbeelden) - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/nl\/#website\"},\"datePublished\":\"2023-07-21T17:22:30+00:00\",\"dateModified\":\"2023-07-21T17:22:30+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/nl\/#\/schema\/person\/d4b8842173cca1bb62cdec41860e4219\"},\"description\":\"In deze zelfstudie wordt uitgelegd hoe u de naam van variabelen in SAS kunt wijzigen, met verschillende voorbeelden.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/nl\/sas-hernoemen-van-variabelen\/#breadcrumb\"},\"inLanguage\":\"de\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/nl\/sas-hernoemen-van-variabelen\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/nl\/sas-hernoemen-van-variabelen\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Thuis\",\"item\":\"https:\/\/statorials.org\/nl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Variabelen hernoemen in sas (met 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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