{"id":4223,"date":"2023-07-12T17:47:26","date_gmt":"2023-07-12T17:47:26","guid":{"rendered":"https:\/\/statorials.org\/pl\/sas-usun-wiersze-z-brakujacymi-wartosciami\/"},"modified":"2023-07-12T17:47:26","modified_gmt":"2023-07-12T17:47:26","slug":"sas-usun-wiersze-z-brakujacymi-wartosciami","status":"publish","type":"post","link":"https:\/\/statorials.org\/pl\/sas-usun-wiersze-z-brakujacymi-wartosciami\/","title":{"rendered":"Jak usun\u0105\u0107 wiersze z brakuj\u0105cymi warto\u015bciami w sas-ie"},"content":{"rendered":"

<\/p>\n

\n

Aby usun\u0105\u0107 wiersze z brakuj\u0105cymi warto\u015bciami ze zbioru danych w SAS-ie, mo\u017cesz u\u017cy\u0107 nast\u0119puj\u0105cej podstawowej sk\u0142adni:<\/span><\/p>\n

 data<\/span> new_data;\n    set<\/span> my_data;\n    if<\/span> cmiss(of _all_) then<\/span> delete;\nrun<\/span> ;\n<\/strong><\/span><\/pre>\n
 W tym konkretnym przyk\u0142adzie tworzony jest nowy zbi\u00f3r danych o nazwie new_data<\/strong> , w kt\u00f3rym usuni\u0119to wszystkie wiersze z brakuj\u0105cymi warto\u015bciami w oryginalnym zbiorze danych o nazwie my_data<\/strong> .<\/span><\/p>\n
 Poni\u017cszy przyk\u0142ad pokazuje, jak zastosowa\u0107 t\u0119 sk\u0142adni\u0119 w praktyce.<\/span><\/p>\n
 Przyk\u0142ad: Usu\u0144 wiersze z brakuj\u0105cymi warto\u015bciami w SAS-ie<\/strong><\/span><\/h2>\n
 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
 \/*create dataset*\/\n<\/span>data<\/span> my_data;\n    input<\/span> team $points assists;\n    datalines<\/span> ;\nMavs 113 22\nPacers 95.\nCavs. .\nLakers 114 20\nHeat 123 39\nKings. 22\nRaptors 105 11\nHawks 95 25\nMagic 103 26\nSpurs 119.\n;\nrun<\/span> ;<\/span>\n\n\/*view dataset*\/\n<\/span>proc print<\/span> data<\/span> =my_data;<\/span><\/span><\/strong><\/span> <\/pre>\n
\"\"<\/p>\n
 Nale\u017cy zauwa\u017cy\u0107, \u017ce istnieje kilka wierszy z brakuj\u0105cymi warto\u015bciami.<\/span><\/p>\n
 Za pomoc\u0105 poni\u017cszego kodu mo\u017cemy utworzy\u0107 nowy zbi\u00f3r danych, w kt\u00f3rym usuwamy z istniej\u0105cego zbioru wszystkie wiersze, w kt\u00f3rych brakuje warto\u015bci w kolumnie:<\/span> <\/p>\n
 \/*create new dataset that removes rows with missing values from existing dataset*\/\ndata<\/span> new_data;\n    set<\/span> my_data;\n    if<\/span> cmiss(of _all_) then<\/span> delete;\nrun<\/span> ;\n\n\/*view new dataset*\/\n<\/span>proc print<\/span> data<\/span> =new_data;\n<\/span><\/span><\/strong><\/pre>\n
\"\"<\/p>\n
 Widzimy, \u017ce wszystkie wiersze z brakuj\u0105cymi warto\u015bciami zosta\u0142y usuni\u0119te ze zbioru danych.<\/span><\/span><\/p>\n
 Uwaga nr 1<\/strong> : Argument _all_<\/strong> w funkcji CMISS<\/strong> okre\u015bla, \u017ce SAS powinien szuka\u0107 brakuj\u0105cych warto\u015bci we wszystkich<\/em> kolumnach w ka\u017cdym wierszu.<\/span><\/p>\n
 Uwaga #2<\/strong> : Pe\u0142n\u0105 dokumentacj\u0119 funkcji CMISS<\/strong> mo\u017cna znale\u017a\u0107 tutaj<\/a> .<\/span><\/p>\n
 Dodatkowe zasoby<\/strong><\/span><\/h2>\n
 Poni\u017csze samouczki wyja\u015bniaj\u0105, jak wykonywa\u0107 inne typowe zadania w SAS-ie:<\/span><\/p>\n
 Jak usun\u0105\u0107 duplikaty w SAS-ie<\/a>
 Jak policzy\u0107 brakuj\u0105ce warto\u015bci w SAS-ie<\/a>
 Jak zast\u0105pi\u0107 brakuj\u0105ce warto\u015bci zerem w SAS-ie<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
Aby usun\u0105\u0107 wiersze z brakuj\u0105cymi warto\u015bciami ze zbioru danych w SAS-ie, mo\u017cesz u\u017cy\u0107 nast\u0119puj\u0105cej podstawowej sk\u0142adni: data new_data; set my_data; if cmiss(of _all_) then delete; run ; W tym konkretnym przyk\u0142adzie tworzony jest nowy zbi\u00f3r danych o nazwie new_data , w kt\u00f3rym usuni\u0119to wszystkie wiersze z brakuj\u0105cymi warto\u015bciami w oryginalnym zbiorze danych o nazwie my_data […]<\/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-4223","post","type-post","status-publish","format-standard","hentry","category-przewodnik"],"yoast_head":"\nJak usun\u0105\u0107 wiersze z brakuj\u0105cymi warto\u015bciami w SAS-ie - Statorials<\/title>\n<meta name=\"description\" content=\"W tym samouczku wyja\u015bniono na przyk\u0142adzie, jak usun\u0105\u0107 wiersze z brakuj\u0105cymi warto\u015bciami 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\/sas-usun-wiersze-z-brakujacymi-wartosciami\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Jak usun\u0105\u0107 wiersze z brakuj\u0105cymi warto\u015bciami w SAS-ie - 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