{"id":2642,"date":"2023-07-21T09:18:30","date_gmt":"2023-07-21T09:18:30","guid":{"rendered":"https:\/\/statorials.org\/nl\/sas-hoofdletter-kleine-letter-eigen-letter\/"},"modified":"2023-07-21T09:18:30","modified_gmt":"2023-07-21T09:18:30","slug":"sas-hoofdletter-kleine-letter-eigen-letter","status":"publish","type":"post","link":"https:\/\/statorials.org\/nl\/sas-hoofdletter-kleine-letter-eigen-letter\/","title":{"rendered":"Sas: tekenreeksen converteren naar hoofdletters, kleine letters en juiste letters"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">U kunt de volgende methoden gebruiken om tekenreeksen te converteren naar hoofdletters, kleine letters en juiste letters in SAS:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Methode 1: Tekenreeks naar hoofdletters converteren<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong>new_string = <span style=\"color: #3366ff;\">UPCASE<\/span> (old_string);\n<\/strong><\/span><\/pre>\n<p> <span style=\"color: #000000;\"><strong>Methode 2: Tekenreeks naar kleine letters converteren<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong>new_string = <span style=\"color: #3366ff;\">LOWCASE<\/span> (old_string);<\/strong><\/span><\/pre>\n<p> <span style=\"color: #000000;\"><strong>Methode 3: Converteer de tekenreeks naar de juiste hoofdletter<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong>new_string = <span style=\"color: #3366ff;\">PROPCASE<\/span> (old_string);<\/strong><\/span><\/pre>\n<p> <span style=\"color: #000000;\">De volgende voorbeelden laten zien hoe u elke methode kunt gebruiken met de volgende gegevensset in 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 style=\"color: #000000;\"><span style=\"color: #800080;\">data<\/span> original_data;\n    <span style=\"color: #3366ff;\">input<\/span> team $1-20;\n    <span style=\"color: #3366ff;\">datalines<\/span> ;\nWashington Wizards\nHouston rockets\nboston celtics\nsan antonio spurs\nOrlando Magic\nMiami Heat\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;<\/span><\/span><\/strong><\/span> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-23292 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/casas1.jpg\" alt=\"\" width=\"187\" height=\"183\" srcset=\"\" sizes=\"auto, \"><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Voorbeeld 1: Tekenreeksen converteren naar hoofdletters<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">De volgende code laat zien hoe u een nieuwe gegevensset maakt waarin alle teamnamen worden omgezet in hoofdletters:<\/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 new dataset*\/<\/span>\n<span style=\"color: #000000;\"><span style=\"color: #800080;\">data<\/span> new_data;\n    <span style=\"color: #3366ff;\">set<\/span> original_data;\n    team = <span style=\"color: #3366ff;\">UPCASE<\/span> (team);\n<span style=\"color: #800080;\">run<\/span> ;<\/span>\n\n<span style=\"color: #800080;\"><span style=\"color: #008000;\">\/*view new dataset*\/<\/span>\nproc print<\/span> <span style=\"color: #3366ff;\">data<\/span> <span style=\"color: #000000;\">= new_data;<\/span><\/span><\/strong><\/span> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-23293 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/casas2.jpg\" alt=\"\" width=\"204\" height=\"169\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\"><span style=\"color: #000000;\">Merk op dat elk van de teamnamen is omgezet in hoofdletters.<\/span><\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Voorbeeld 2: Tekenreeksen converteren naar kleine letters<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">De volgende code laat zien hoe u een nieuwe gegevensset maakt waarin alle teamnamen worden omgezet in kleine letters:<\/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 new dataset*\/<\/span>\n<span style=\"color: #000000;\"><span style=\"color: #800080;\">data<\/span> new_data;\n    <span style=\"color: #3366ff;\">set<\/span> original_data;\n    team = <span style=\"color: #3366ff;\">LOWCASE<\/span> (team);\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> <span style=\"color: #3366ff;\">data<\/span> = new_data;<\/span><\/span><\/strong><\/span> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-23294 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/casas3.jpg\" alt=\"\" width=\"193\" height=\"197\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Merk op dat elk van de teamnamen is omgezet in kleine letters.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Voorbeeld 3: Tekenreeksen converteren naar de juiste hoofdletter<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">De volgende code laat zien hoe u een nieuwe gegevensset maakt waarin alle teamnamen hoofdletter-geconverteerd zijn:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Opmerking<\/strong> : Correct hoofdlettergebruik betekent dat de eerste letter van elk woord een hoofdletter is.<\/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 new dataset*\/<\/span>\n<span style=\"color: #000000;\"><span style=\"color: #800080;\">data<\/span> new_data;\n    <span style=\"color: #3366ff;\">set<\/span> original_data;\n    team = <span style=\"color: #3366ff;\">PROPCASE<\/span> (team);\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> <span style=\"color: #3366ff;\">data<\/span> = new_data;<\/span><\/span><\/strong><\/span> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-23295 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/casas4.jpg\" alt=\"\" width=\"193\" height=\"191\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Merk op dat elk van de teamnamen is omgezet naar het juiste hoofdlettergebruik.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Aanvullende bronnen<\/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\/kort-geding-procedure-in-sas\/\" target=\"_blank\" rel=\"noopener\">Procedureoverzicht gebruiken in SAS<\/a><br \/> <a href=\"https:\/\/statorials.org\/nl\/sas-hernoemen-van-variabelen\/\" target=\"_blank\" rel=\"noopener\">Variabelen hernoemen in SAS<\/a><br \/> <a href=\"https:\/\/statorials.org\/nl\/zonder-nieuwe-variabelen-te-creeren\/\" target=\"_blank\" rel=\"noopener\">Nieuwe variabelen maken in SAS<\/a><br \/> <a href=\"https:\/\/statorials.org\/nl\/verwijder-geen-duplicaten\/\" target=\"_blank\" rel=\"noopener\">Hoe duplicaten in SAS te verwijderen<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>U kunt de volgende methoden gebruiken om tekenreeksen te converteren naar hoofdletters, kleine letters en juiste letters in SAS: Methode 1: Tekenreeks naar hoofdletters converteren new_string = UPCASE (old_string); Methode 2: Tekenreeks naar kleine letters converteren new_string = LOWCASE (old_string); Methode 3: Converteer de tekenreeks naar de juiste hoofdletter new_string = PROPCASE (old_string); De volgende [&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-2642","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: Converteer 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