{"id":2883,"date":"2023-07-20T06:30:21","date_gmt":"2023-07-20T06:30:21","guid":{"rendered":"https:\/\/statorials.org\/pl\/sas-liczy-brakujace-wartosci\/"},"modified":"2023-07-20T06:30:21","modified_gmt":"2023-07-20T06:30:21","slug":"sas-liczy-brakujace-wartosci","status":"publish","type":"post","link":"https:\/\/statorials.org\/pl\/sas-liczy-brakujace-wartosci\/","title":{"rendered":"Jak policzy\u0107 brakuj\u0105ce warto\u015bci w sas-ie: z przyk\u0142adami"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\"><span style=\"color: #000000;\">Mo\u017cesz u\u017cy\u0107 nast\u0119puj\u0105cych metod, aby policzy\u0107 liczb\u0119 brakuj\u0105cych warto\u015bci w SAS-ie:<\/span><\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Metoda 1: Policz brakuj\u0105ce warto\u015bci dla zmiennych numerycznych<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #800080;\">proc means<\/span> <span style=\"color: #3366ff;\">data<\/span> =my_data\n    <span style=\"color: #3366ff;\">NMISS<\/span> ;\n<span style=\"color: #800080;\">run<\/span> ;<\/strong><\/span><\/pre>\n<p> <span style=\"color: #000000;\"><strong>Metoda 2: Policz brakuj\u0105ce warto\u015bci dla zmiennych znakowych<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #800080;\">proc sql; \n<span style=\"color: #000000;\"><span style=\"color: #3366ff;\">select<\/span> nmiss(char1) <span style=\"color: #3366ff;\">as<\/span> char1_miss, nmiss(char2) <span style=\"color: #3366ff;\">as<\/span> char2_miss\n    <span style=\"color: #3366ff;\">from<\/span> my_data;<\/span>\nquit;<\/span><\/strong><\/span><\/pre>\n<p> <span style=\"color: #000000;\">Poni\u017csze przyk\u0142ady pokazuj\u0105, jak zastosowa\u0107 ka\u017cd\u0105 metod\u0119 w praktyce z nast\u0119puj\u0105cym zbiorem danych w SAS-ie:<\/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> my_data;\n    <span style=\"color: #3366ff;\">input<\/span> team $pos $rebounds assists;\n    <span style=\"color: #3366ff;\">datalines<\/span> ;\nGA 10 8\nBF4.\n. F 7 10\nDC. 14\nEF. 10\nFG 12 7\nGC. 11\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;<\/strong><\/span> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-25207 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/compte-manque1.jpg\" alt=\"\" width=\"263\" height=\"198\" srcset=\"\" sizes=\"auto, \"><\/p>\n<h3> <span style=\"color: #000000;\"><b>Przyk\u0142ad 1: Zlicz brakuj\u0105ce warto\u015bci dla zmiennych numerycznych<\/b><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Mo\u017cemy u\u017cy\u0107 poni\u017cszego kodu, aby policzy\u0107 liczb\u0119 brakuj\u0105cych warto\u015bci dla ka\u017cdej ze zmiennych numerycznych w zbiorze danych:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">\/*count missing values for each numeric variable*\/\n<span style=\"color: #000000;\"><span style=\"color: #800080;\">proc means<\/span> <span style=\"color: #3366ff;\">data<\/span> =my_data\n    <span style=\"color: #3366ff;\">NMISS<\/span> ;\n<span style=\"color: #800080;\">run<\/span> ;\n<\/span><\/span><\/strong><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-25208 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/compte-manque2.jpg\" alt=\"\" width=\"178\" height=\"123\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Z wyniku mo\u017cemy zobaczy\u0107:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">W kolumnie <strong>odrzuce\u0144<\/strong> znajduj\u0105 si\u0119 \u0142\u0105cznie 3 brakuj\u0105ce warto\u015bci.<\/span><\/li>\n<li> <span style=\"color: #000000;\">W sumie w kolumnie <strong>asyst<\/strong> brakuje 1 warto\u015bci.<\/span><\/li>\n<\/ul>\n<h3> <span style=\"color: #000000;\"><b>Przyk\u0142ad 2: Policz brakuj\u0105ce warto\u015bci dla zmiennych znakowych<\/b><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Mo\u017cemy u\u017cy\u0107 poni\u017cszego kodu, aby policzy\u0107 liczb\u0119 brakuj\u0105cych warto\u015bci dla ka\u017cdej ze zmiennych znakowych w zbiorze danych:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">\/*count missing for each character variable*\/\n<span style=\"color: #000000;\"><span style=\"color: #800080;\">proc sql<\/span> ; \n    <span style=\"color: #3366ff;\">select<\/span> nmiss(team) <span style=\"color: #3366ff;\">as<\/span> team_miss, nmiss(pos) <span style=\"color: #3366ff;\">as<\/span> pos_miss\n    <span style=\"color: #3366ff;\">from<\/span> my_data; \n<span style=\"color: #800080;\">quit<\/span> ;\n<\/span><\/span><\/strong><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-25209 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/compte-manque3.jpg\" alt=\"\" width=\"202\" height=\"86\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Z wyniku mo\u017cemy zobaczy\u0107:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">W kolumnie <b>Zesp\u00f3\u0142<\/b> brakuje 1 warto\u015bci.<\/span><\/li>\n<li> <span style=\"color: #000000;\">W kolumnie <b>poz<\/b> brakuje 0 warto\u015bci.<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\"><strong>Uwaga<\/strong> : pe\u0142n\u0105 dokumentacj\u0119 funkcji <strong>NMISS<\/strong> mo\u017cna znale\u017a\u0107 <a href=\"https:\/\/documentation.sas.com\/doc\/en\/pgmsascdc\/9.4_3.2\/lefunctionsref\/p0nw8trwk5ooesn1o8zrtd5c6j1t.htm\" target=\"_blank\" rel=\"noopener\">tutaj<\/a> .<\/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\/normalizuj-dane-w-sluzie-powietrznej\/\" target=\"_blank\" rel=\"noopener\">Jak normalizowa\u0107 dane w SAS-ie<\/a><br \/> <a href=\"https:\/\/statorials.org\/pl\/nie-usuwaj-duplikatow\/\" target=\"_blank\" rel=\"noopener\">Jak usun\u0105\u0107 duplikaty w SAS-ie<\/a><br \/> <a href=\"https:\/\/statorials.org\/pl\/bez-zastepowania-brakujacych-wartosci-zerem\/\" target=\"_blank\" rel=\"noopener\">Jak zast\u0105pi\u0107 brakuj\u0105ce warto\u015bci zerem w SAS-ie<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Mo\u017cesz u\u017cy\u0107 nast\u0119puj\u0105cych metod, aby policzy\u0107 liczb\u0119 brakuj\u0105cych warto\u015bci w SAS-ie: Metoda 1: Policz brakuj\u0105ce warto\u015bci dla zmiennych numerycznych proc means data =my_data NMISS ; run ; Metoda 2: Policz brakuj\u0105ce warto\u015bci dla zmiennych znakowych proc sql; select nmiss(char1) as char1_miss, nmiss(char2) as char2_miss from my_data; quit; Poni\u017csze przyk\u0142ady pokazuj\u0105, jak zastosowa\u0107 ka\u017cd\u0105 metod\u0119 w [&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-2883","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 policzy\u0107 brakuj\u0105ce warto\u015bci w SAS-ie (z przyk\u0142adami) - Statoriale<\/title>\n<meta name=\"description\" content=\"W tym samouczku wyja\u015bniono, jak zliczy\u0107 brakuj\u0105ce warto\u015bci w SAS-ie, z kilkoma przyk\u0142adami.\" \/>\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-liczy-brakujace-wartosci\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Jak policzy\u0107 brakuj\u0105ce warto\u015bci w SAS-ie (z przyk\u0142adami) - Statoriale\" \/>\n<meta property=\"og:description\" content=\"W tym samouczku wyja\u015bniono, jak zliczy\u0107 brakuj\u0105ce warto\u015bci w SAS-ie, z kilkoma przyk\u0142adami.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pl\/sas-liczy-brakujace-wartosci\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-20T06:30:21+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/compte-manque1.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-liczy-brakujace-wartosci\/\",\"url\":\"https:\/\/statorials.org\/pl\/sas-liczy-brakujace-wartosci\/\",\"name\":\"Jak policzy\u0107 brakuj\u0105ce warto\u015bci w SAS-ie (z przyk\u0142adami) - Statoriale\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pl\/#website\"},\"datePublished\":\"2023-07-20T06:30:21+00:00\",\"dateModified\":\"2023-07-20T06:30:21+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965\"},\"description\":\"W tym samouczku wyja\u015bniono, jak zliczy\u0107 brakuj\u0105ce warto\u015bci w SAS-ie, z kilkoma przyk\u0142adami.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pl\/sas-liczy-brakujace-wartosci\/#breadcrumb\"},\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pl\/sas-liczy-brakujace-wartosci\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pl\/sas-liczy-brakujace-wartosci\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Dom\",\"item\":\"https:\/\/statorials.org\/pl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Jak policzy\u0107 brakuj\u0105ce warto\u015bci w sas-ie: z przyk\u0142adami\"}]},{\"@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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