{"id":2562,"date":"2023-07-21T17:30:45","date_gmt":"2023-07-21T17:30:45","guid":{"rendered":"https:\/\/statorials.org\/pl\/bez-zastepowania-brakujacych-wartosci-zerem\/"},"modified":"2023-07-21T17:30:45","modified_gmt":"2023-07-21T17:30:45","slug":"bez-zastepowania-brakujacych-wartosci-zerem","status":"publish","type":"post","link":"https:\/\/statorials.org\/pl\/bez-zastepowania-brakujacych-wartosci-zerem\/","title":{"rendered":"Jak zast\u0105pi\u0107 brakuj\u0105ce warto\u015bci zerem w sas-ie"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Cz\u0119sto mo\u017cesz chcie\u0107 zast\u0105pi\u0107 brakuj\u0105ce warto\u015bci w zestawie danych SAS-owym zerami.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Na szcz\u0119\u015bcie mo\u017cna to \u0142atwo zrobi\u0107 za pomoc\u0105 prostej instrukcji <strong>if then<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Poni\u017csze przyk\u0142ady pokazuj\u0105, jak w praktyce zast\u0105pi\u0107 brakuj\u0105ce warto\u015bci zerami.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><b>Przyk\u0142ad 1: Zast\u0105p brakuj\u0105ce warto\u015bci we wszystkich kolumnach<\/b><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Za\u0142\u00f3\u017cmy, \u017ce mamy nast\u0119puj\u0105cy zbi\u00f3r danych w SAS-ie z trzema kolumnami, ka\u017cda z brakuj\u0105cymi warto\u015bciami:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">\/*create dataset*\/\n<\/span><span style=\"color: #000000;\"><span style=\"color: #800080;\">data<\/span> my_data;\n    <span style=\"color: #3366ff;\">input<\/span> xyz;\n    <span style=\"color: #3366ff;\">datalines<\/span> ;\n1. 76\n2 3 .\n2 3 85\n4 5 88\n2 2 .\n1 2 69\n5. 94\n4 1 .\n. . 88\n4 3 92\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;\n<\/span><\/strong><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-22764 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/manquant1.jpg\" alt=\"\" width=\"135\" height=\"288\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Mo\u017cemy u\u017cy\u0107 poni\u017cszego kodu, aby zast\u0105pi\u0107 brakuj\u0105ce warto\u015bci zerami w ka\u017cdej kolumnie zbioru danych:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #000000;\"><span style=\"color: #008000;\">\/*create new dataset with missing values replaced by zero*\/\n<\/span><span style=\"color: #800080;\">data<\/span> my_data_new;\n   <span style=\"color: #3366ff;\">set<\/span> my_data;\n   <span style=\"color: #3366ff;\">array<\/span> variablesOfInterest <span style=\"color: #3366ff;\">_numeric_<\/span> ;\n   <span style=\"color: #3366ff;\">do over<\/span> variablesOfInterest;\n      <span style=\"color: #3366ff;\">if<\/span> variablesOfInterest=. <span style=\"color: #3366ff;\">then<\/span> variablesOfInterest= <span style=\"color: #008000;\">0<\/span> ;\n   <span style=\"color: #3366ff;\">end<\/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> =my_data_new;<\/span><\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-22765 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/manquant2.jpg\" alt=\"\" width=\"137\" height=\"299\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Nale\u017cy pami\u0119ta\u0107, \u017ce brakuj\u0105ce warto\u015bci w ka\u017cdej kolumnie zosta\u0142y zast\u0105pione zerami.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Uwaga<\/strong> : Argument <strong>_numeryczny_<\/strong> m\u00f3wi SAS-owi o zast\u0105pieniu brakuj\u0105cych warto\u015bci zerami w ka\u017cdej kolumnie liczbowej w zbiorze danych.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><b>Przyk\u0142ad 2: Zast\u0105p brakuj\u0105ce warto\u015bci w okre\u015blonej kolumnie<\/b><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Za\u0142\u00f3\u017cmy jeszcze raz, \u017ce mamy nast\u0119puj\u0105cy zestaw danych w SAS-ie z trzema kolumnami, ka\u017cda z brakuj\u0105cymi warto\u015bciami:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">\/*create dataset*\/\n<\/span><span style=\"color: #000000;\"><span style=\"color: #800080;\">data<\/span> my_data;\n    <span style=\"color: #3366ff;\">input<\/span> xyz;\n    <span style=\"color: #3366ff;\">datalines<\/span> ;\n1. 76\n2 3 .\n2 3 85\n4 5 88\n2 2 .\n1 2 69\n5. 94\n4 1 .\n. . 88\n4 3 92\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;\n<\/span><\/strong><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-22764 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/manquant1.jpg\" alt=\"\" width=\"135\" height=\"288\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Za pomoc\u0105 poni\u017cszego kodu mo\u017cemy zast\u0105pi\u0107 brakuj\u0105ce warto\u015bci zerami jedynie w kolumnie \u201ey\u201d zbioru danych:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #000000;\"><span style=\"color: #008000;\">\/*create new dataset with missing values in \"y\" column replaced by zero*\/\n<\/span><span style=\"color: #800080;\">data<\/span> my_data_new;\n   <span style=\"color: #3366ff;\">set<\/span> my_data;\n   <span style=\"color: #3366ff;\">array<\/span> variablesOfInterest y;\n   <span style=\"color: #3366ff;\">do over<\/span> variablesOfInterest;\n      <span style=\"color: #3366ff;\">if<\/span> variablesOfInterest=. <span style=\"color: #3366ff;\">then<\/span> variablesOfInterest= <span style=\"color: #008000;\">0<\/span> ;\n   <span style=\"color: #3366ff;\">end<\/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> =my_data_new;<\/span><\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-22766 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/manquant3.jpg\" alt=\"\" width=\"137\" height=\"301\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Nale\u017cy pami\u0119ta\u0107, \u017ce zerami zast\u0105piono jedynie brakuj\u0105ce warto\u015bci w kolumnie \u201ey\u201d.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong><span style=\"color: #000000;\">Dodatkowe zasoby<\/span><\/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\/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\/sa-nie-jest-zerem\/\" target=\"_blank\" rel=\"noopener\">Jak wybra\u0107 obserwacje, kt\u00f3re nie s\u0105 zerowe w SAS<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cz\u0119sto mo\u017cesz chcie\u0107 zast\u0105pi\u0107 brakuj\u0105ce warto\u015bci w zestawie danych SAS-owym zerami. Na szcz\u0119\u015bcie mo\u017cna to \u0142atwo zrobi\u0107 za pomoc\u0105 prostej instrukcji if then . Poni\u017csze przyk\u0142ady pokazuj\u0105, jak w praktyce zast\u0105pi\u0107 brakuj\u0105ce warto\u015bci zerami. Przyk\u0142ad 1: Zast\u0105p brakuj\u0105ce warto\u015bci we wszystkich kolumnach Za\u0142\u00f3\u017cmy, \u017ce mamy nast\u0119puj\u0105cy zbi\u00f3r danych w SAS-ie z trzema kolumnami, ka\u017cda z [&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-2562","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 zast\u0105pi\u0107 brakuj\u0105ce warto\u015bci zerem w SAS-ie - Statologia<\/title>\n<meta name=\"description\" content=\"W tym samouczku wyja\u015bniono, jak zast\u0105pi\u0107 brakuj\u0105ce warto\u015bci zerem 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\/bez-zastepowania-brakujacych-wartosci-zerem\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Jak zast\u0105pi\u0107 brakuj\u0105ce warto\u015bci zerem w SAS-ie - Statologia\" \/>\n<meta property=\"og:description\" content=\"W tym samouczku wyja\u015bniono, jak zast\u0105pi\u0107 brakuj\u0105ce warto\u015bci zerem w SAS-ie, z kilkoma przyk\u0142adami.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pl\/bez-zastepowania-brakujacych-wartosci-zerem\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-21T17:30:45+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/manquant1.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-zastepowania-brakujacych-wartosci-zerem\/\",\"url\":\"https:\/\/statorials.org\/pl\/bez-zastepowania-brakujacych-wartosci-zerem\/\",\"name\":\"Jak zast\u0105pi\u0107 brakuj\u0105ce warto\u015bci zerem w SAS-ie - Statologia\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pl\/#website\"},\"datePublished\":\"2023-07-21T17:30:45+00:00\",\"dateModified\":\"2023-07-21T17:30:45+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965\"},\"description\":\"W tym samouczku wyja\u015bniono, jak zast\u0105pi\u0107 brakuj\u0105ce warto\u015bci zerem w SAS-ie, z kilkoma przyk\u0142adami.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pl\/bez-zastepowania-brakujacych-wartosci-zerem\/#breadcrumb\"},\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pl\/bez-zastepowania-brakujacych-wartosci-zerem\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pl\/bez-zastepowania-brakujacych-wartosci-zerem\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Dom\",\"item\":\"https:\/\/statorials.org\/pl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Jak zast\u0105pi\u0107 brakuj\u0105ce warto\u015bci zerem 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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