{"id":4220,"date":"2023-07-12T18:16:01","date_gmt":"2023-07-12T18:16:01","guid":{"rendered":"https:\/\/statorials.org\/pl\/bez-usuwania-pierwszego-znaku-ciagu\/"},"modified":"2023-07-12T18:16:01","modified_gmt":"2023-07-12T18:16:01","slug":"bez-usuwania-pierwszego-znaku-ciagu","status":"publish","type":"post","link":"https:\/\/statorials.org\/pl\/bez-usuwania-pierwszego-znaku-ciagu\/","title":{"rendered":"Sas: jak usun\u0105\u0107 pierwszy znak z ci\u0105gu"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Najprostszym sposobem na usuni\u0119cie pierwszego znaku z \u0142a\u0144cucha w SAS-ie jest u\u017cycie funkcji <a href=\"https:\/\/statorials.org\/pl\/w-ramach-funkcji-sluzy-powietrznej\/\" target=\"_blank\" rel=\"noopener\">SUBSTR<\/a> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Aby to zrobi\u0107, mo\u017cesz u\u017cy\u0107 nast\u0119puj\u0105cej podstawowej sk\u0142adni:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #800080;\">data<\/span> new_data;\n    <span style=\"color: #3366ff;\">set<\/span> original_data;\n    string_var = <span style=\"color: #3366ff;\">substr<\/span> (string_var, <span style=\"color: #008000;\">2<\/span> );\n<span style=\"color: #800080;\">run<\/span> ;\n<\/strong><\/span><\/pre>\n<p> <span style=\"color: #000000;\">Ta sk\u0142adnia wyodr\u0119bnia podci\u0105g od drugiego znaku do ko\u0144ca ci\u0105gu, co powoduje usuni\u0119cie pierwszego znaku z ci\u0105gu.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Poni\u017cszy przyk\u0142ad pokazuje, jak zastosowa\u0107 t\u0119 sk\u0142adni\u0119 w praktyce.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Przyk\u0142ad: Usu\u0144 pierwszy znak z ci\u0105gu w SAS-ie<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Za\u0142\u00f3\u017cmy, \u017ce mamy nast\u0119puj\u0105cy zbi\u00f3r danych w SAS-ie, kt\u00f3ry zawiera informacje o r\u00f3\u017cnych dru\u017cynach koszyk\u00f3wki:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #800080;\"><span style=\"color: #000000;\"><span style=\"color: #008000;\">\/*create dataset*\/\n<\/span><span style=\"color: #800080;\">data<\/span> my_data;\n    <span style=\"color: #3366ff;\">input<\/span> team $points;\n    <span style=\"color: #3366ff;\">datalines<\/span> ;\nxMavs 113\nxPacers 95\nxCavs 120\nxLakers 114\nxHeat 123\nxKings 119\nxRaptors 105\nxHawks 95\nxMagic 103\nxSpurs 119\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> =my_data;<\/span><\/span><\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-33395 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/sous-titre1-1.jpg\" alt=\"\" width=\"183\" height=\"292\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Pami\u0119taj, \u017ce ka\u017cdy ci\u0105g w kolumnie <strong>zespo\u0142u<\/strong> zawiera x jako pierwszy znak.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Mo\u017cemy u\u017cy\u0107 funkcji <strong>SUBSTR<\/strong> , aby usun\u0105\u0107 ten pierwszy znak z ka\u017cdego ci\u0105gu w kolumnie <strong>zespo\u0142u<\/strong> :<\/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 where first character in each string of team column is removed*\/<\/span>\ndata<\/span> new_data;\n    <span style=\"color: #3366ff;\">set<\/span> my_data;\n    team = <span style=\"color: #3366ff;\">substr<\/span> (team, <span style=\"color: #008000;\">2<\/span> );\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;\n<\/strong><\/span><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-33396 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/sous-titre2.jpg\" alt=\"\" width=\"193\" height=\"303\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Nale\u017cy pami\u0119ta\u0107, \u017ce pierwszy znak ka\u017cdego ci\u0105gu znak\u00f3w w kolumnie <strong>zespo\u0142u<\/strong> zosta\u0142 usuni\u0119ty.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Nale\u017cy pami\u0119ta\u0107, \u017ce funkcja <strong>SUBSTR<\/strong> wykorzystuje nast\u0119puj\u0105c\u0105 podstawow\u0105 sk\u0142adni\u0119:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>SUBSTR(\u017ar\u00f3d\u0142o, pozycja, N)<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Z\u0142oto:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>\u0179r\u00f3d\u0142o<\/strong> : kana\u0142 do analizy<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>Pozycja<\/strong> : Pozycja wyj\u015bciowa do odczytania<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>N<\/strong> : Liczba znak\u00f3w do odczytania<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">U\u017cywaj\u0105c <strong>substr(team, 2)<\/strong> i nie podaj\u0105c warto\u015bci ostatniego argumentu <strong>N<\/strong> , mo\u017cemy wyodr\u0119bni\u0107 podci\u0105g z ci\u0105gu w kolumnie zespo\u0142u, zaczynaj\u0105c od drugiego do ostatniego znaku.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Powoduje to usuni\u0119cie pierwszego znaku z ci\u0105gu.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Dodatkowe zasoby<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Poni\u017csze samouczki wyja\u015bniaj\u0105, jak wykonywa\u0107 inne typowe zadania w SAS-ie:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/pl\/sas-wyodrebnij-numer-kana\u0142u\/\" target=\"_blank\" rel=\"noopener\">Jak wyodr\u0119bni\u0107 liczby z ci\u0105gu w SAS-ie<\/a><br \/> <a href=\"https:\/\/statorials.org\/pl\/w-ramach-funkcji-sluzy-powietrznej\/\" target=\"_blank\" rel=\"noopener\">Jak korzysta\u0107 z funkcji SUBSTR w SAS-ie<\/a><br \/> <a href=\"https:\/\/statorials.org\/pl\/nie-usuwaj-znakow-specjalnych\/\" target=\"_blank\" rel=\"noopener\">Jak usun\u0105\u0107 znaki specjalne z ci\u0105g\u00f3w w SAS-ie<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Najprostszym sposobem na usuni\u0119cie pierwszego znaku z \u0142a\u0144cucha w SAS-ie jest u\u017cycie funkcji SUBSTR . Aby to zrobi\u0107, mo\u017cesz u\u017cy\u0107 nast\u0119puj\u0105cej podstawowej sk\u0142adni: data new_data; set original_data; string_var = substr (string_var, 2 ); run ; Ta sk\u0142adnia wyodr\u0119bnia podci\u0105g od drugiego znaku do ko\u0144ca ci\u0105gu, co powoduje usuni\u0119cie pierwszego znaku z ci\u0105gu. Poni\u017cszy przyk\u0142ad pokazuje, [&hellip;]<\/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-4220","post","type-post","status-publish","format-standard","hentry","category-przewodnik"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>SAS: Jak usun\u0105\u0107 pierwszy znak z ci\u0105gu \u2013 Statologia<\/title>\n<meta name=\"description\" content=\"W tym samouczku na przyk\u0142adzie wyja\u015bniono, jak usun\u0105\u0107 pierwszy znak z \u0142a\u0144cucha w SAS-ie.\" \/>\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\/bez-usuwania-pierwszego-znaku-ciagu\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SAS: Jak usun\u0105\u0107 pierwszy znak z ci\u0105gu \u2013 Statologia\" \/>\n<meta property=\"og:description\" content=\"W tym samouczku na przyk\u0142adzie wyja\u015bniono, jak usun\u0105\u0107 pierwszy znak z \u0142a\u0144cucha w SAS-ie.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pl\/bez-usuwania-pierwszego-znaku-ciagu\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-12T18:16:01+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/sous-titre1-1.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=\"2 minuty\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/pl\/bez-usuwania-pierwszego-znaku-ciagu\/\",\"url\":\"https:\/\/statorials.org\/pl\/bez-usuwania-pierwszego-znaku-ciagu\/\",\"name\":\"SAS: Jak usun\u0105\u0107 pierwszy znak z ci\u0105gu \u2013 Statologia\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pl\/#website\"},\"datePublished\":\"2023-07-12T18:16:01+00:00\",\"dateModified\":\"2023-07-12T18:16:01+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965\"},\"description\":\"W tym samouczku na przyk\u0142adzie wyja\u015bniono, jak usun\u0105\u0107 pierwszy znak z \u0142a\u0144cucha w SAS-ie.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pl\/bez-usuwania-pierwszego-znaku-ciagu\/#breadcrumb\"},\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pl\/bez-usuwania-pierwszego-znaku-ciagu\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pl\/bez-usuwania-pierwszego-znaku-ciagu\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Dom\",\"item\":\"https:\/\/statorials.org\/pl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Sas: jak usun\u0105\u0107 pierwszy znak z ci\u0105gu\"}]},{\"@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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