{"id":2634,"date":"2023-07-21T09:56:57","date_gmt":"2023-07-21T09:56:57","guid":{"rendered":"https:\/\/statorials.org\/pl\/sas-wybierz-pierwsze-n-wierszy\/"},"modified":"2023-07-21T09:56:57","modified_gmt":"2023-07-21T09:56:57","slug":"sas-wybierz-pierwsze-n-wierszy","status":"publish","type":"post","link":"https:\/\/statorials.org\/pl\/sas-wybierz-pierwsze-n-wierszy\/","title":{"rendered":"Jak wybra\u0107 pierwsze n wierszy zbioru danych w sas-ie"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Oto dwa najcz\u0119stsze sposoby wybierania pierwszych N wierszy zbioru danych w SAS-owym stylu:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Metoda 1: Wybierz pierwszy wiersz<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #800080;\">data<\/span> first_row;\n    <span style=\"color: #3366ff;\">set<\/span> original_data;\n    <span style=\"color: #3366ff;\">if<\/span> _N_ = <span style=\"color: #008000;\">1<\/span> <span style=\"color: #3366ff;\">then<\/span> <span style=\"color: #3366ff;\">output<\/span> ;\n<span style=\"color: #800080;\">run<\/span> ;\n<\/strong><\/span><\/pre>\n<p> <span style=\"color: #000000;\"><strong>Metoda 2: wybierz pierwsze N wierszy<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #800080;\">data<\/span> first_N_rows;\n    <span style=\"color: #3366ff;\">set<\/span> original_data;\n    <span style=\"color: #3366ff;\">if<\/span> _N_ &lt;= <span style=\"color: #008000;\">5<\/span> <span style=\"color: #3366ff;\">then<\/span> <span style=\"color: #3366ff;\">output<\/span> ; <span style=\"color: #008000;\">\/*select first 5 rows*\/<\/span>\n<span style=\"color: #800080;\">run<\/span> ;<\/strong><\/span><\/pre>\n<p> <span style=\"color: #000000;\">Poni\u017csze przyk\u0142ady pokazuj\u0105, jak u\u017cywa\u0107 ka\u017cdej metody z nast\u0119puj\u0105cym zbiorem danych w SAS-owym:<\/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> team $pointsrebounds;\n    <span style=\"color: #3366ff;\">datalines<\/span> ;\nWarriors 25 8\nWizards 18 12\nRockets 22 6\nCeltics 24 11\nThunder 27 14\nSpurs 33 19\nNets 31 20\nMavericks 34 10\nKings 22 11\nPelicans 39 23\n;\n<span style=\"color: #800080;\">run<\/span> ;\n\n<span style=\"color: #008000;\">\/*view dataset*\/<\/span>\n<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=\"aligncenter wp-image-23239 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/aleatoiresas1.jpg\" alt=\"\" width=\"248\" height=\"283\" srcset=\"\" sizes=\"auto, \"><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Przyk\u0142ad 1: wybierz pierwszy wiersz<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Poni\u017cszy kod pokazuje, jak wybra\u0107 tylko pierwszy wiersz zbioru danych:<\/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 that contains only the first row*\/<\/span>\ndata<\/span> first_row;\n    <span style=\"color: #3366ff;\">set<\/span> original_data;\n    <span style=\"color: #3366ff;\">if<\/span> _N_ = <span style=\"color: #008000;\">1<\/span> <span style=\"color: #3366ff;\">then<\/span> <span style=\"color: #3366ff;\">output<\/span> ;\n<span style=\"color: #800080;\">run<\/span> ;\n\n<span style=\"color: #008000;\">\/*view new dataset*\/<\/span>\n<span style=\"color: #800080;\">proc print<\/span> <span style=\"color: #3366ff;\">data<\/span> =first_row;<\/strong><\/span> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-23246 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/n1.jpg\" alt=\"\" width=\"249\" height=\"65\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Widzimy, \u017ce nowy zbi\u00f3r danych zawiera tylko pierwszy wiersz oryginalnego zbioru danych.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Przyk\u0142ad 2: wybierz pierwsze N wierszy<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Poni\u017cszy kod pokazuje, jak wybra\u0107 pierwsze pi\u0119\u0107 wierszy zbioru danych:<\/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 that contains first 5 rows of original dataset*\/<\/span>\ndata<\/span> first_N_rows;\n    <span style=\"color: #3366ff;\">set<\/span> original_data;\n    <span style=\"color: #3366ff;\">if<\/span> _N_ &lt;= <span style=\"color: #008000;\">5<\/span> <span style=\"color: #3366ff;\">then<\/span> <span style=\"color: #3366ff;\">output<\/span> ;\n<span style=\"color: #800080;\">run<\/span> ;\n\n<span style=\"color: #008000;\">\/*view new dataset*\/<\/span>\n<span style=\"color: #800080;\">proc print<\/span> <span style=\"color: #3366ff;\">data<\/span> =first_N_rows;\n<\/strong><\/span><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-23247 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/n2.jpg\" alt=\"\" width=\"242\" height=\"155\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Widzimy, \u017ce nowy zbi\u00f3r danych zawiera tylko pierwsze pi\u0119\u0107 wierszy pierwotnego zbioru danych.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Aby wybra\u0107 inn\u0105 liczb\u0119 wierszy pocz\u0105tkowych, po prostu zmie\u0144 warto\u015b\u0107 po <strong>_N_<\/strong> w powy\u017cszym kodzie.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Dodatkowe zasoby<\/strong><\/span><\/h3>\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\/procedura-podsumowujaca-w-sas\/\" target=\"_blank\" rel=\"noopener\">Jak korzysta\u0107 ze podsumowania procedur w SAS-ie<\/a><br \/> <a href=\"https:\/\/statorials.org\/pl\/proc-tabulate-sas\/\" target=\"_blank\" rel=\"noopener\">Jak u\u017cywa\u0107 Proc Tabulate w SAS-ie<\/a><br \/> <a href=\"https:\/\/statorials.org\/pl\/sas-zmiana-nazw-zmiennych\/\" target=\"_blank\" rel=\"noopener\">Jak zmieni\u0107 nazwy zmiennych w SAS-ie<\/a><br \/> <a href=\"https:\/\/statorials.org\/pl\/bez-tworzenia-nowych-zmiennych\/\" target=\"_blank\" rel=\"noopener\">Jak utworzy\u0107 nowe zmienne w SAS-ie<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Oto dwa najcz\u0119stsze sposoby wybierania pierwszych N wierszy zbioru danych w SAS-owym stylu: Metoda 1: Wybierz pierwszy wiersz data first_row; set original_data; if _N_ = 1 then output ; run ; Metoda 2: wybierz pierwsze N wierszy data first_N_rows; set original_data; if _N_ &lt;= 5 then output ; \/*select first 5 rows*\/ run ; Poni\u017csze [&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-2634","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>Jak wybra\u0107 pierwszych N wierszy zbioru danych w SAS - Statology<\/title>\n<meta name=\"description\" content=\"W tym samouczku wyja\u015bniono, jak wybra\u0107 pierwsze N wierszy zbioru danych w SAS-ie, podaj\u0105c kilka przyk\u0142ad\u00f3w.\" \/>\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\/sas-wybierz-pierwsze-n-wierszy\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Jak wybra\u0107 pierwszych N wierszy zbioru danych w SAS - Statology\" \/>\n<meta property=\"og:description\" content=\"W tym samouczku wyja\u015bniono, jak wybra\u0107 pierwsze N wierszy zbioru danych w SAS-ie, podaj\u0105c kilka przyk\u0142ad\u00f3w.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pl\/sas-wybierz-pierwsze-n-wierszy\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-21T09:56:57+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/aleatoiresas1.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=\"1 minuta\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/pl\/sas-wybierz-pierwsze-n-wierszy\/\",\"url\":\"https:\/\/statorials.org\/pl\/sas-wybierz-pierwsze-n-wierszy\/\",\"name\":\"Jak wybra\u0107 pierwszych N wierszy zbioru danych w SAS - Statology\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pl\/#website\"},\"datePublished\":\"2023-07-21T09:56:57+00:00\",\"dateModified\":\"2023-07-21T09:56:57+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965\"},\"description\":\"W tym samouczku wyja\u015bniono, jak wybra\u0107 pierwsze N wierszy zbioru danych w SAS-ie, podaj\u0105c kilka przyk\u0142ad\u00f3w.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pl\/sas-wybierz-pierwsze-n-wierszy\/#breadcrumb\"},\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pl\/sas-wybierz-pierwsze-n-wierszy\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pl\/sas-wybierz-pierwsze-n-wierszy\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Dom\",\"item\":\"https:\/\/statorials.org\/pl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Jak wybra\u0107 pierwsze n wierszy zbioru danych w sas-ie\"}]},{\"@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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