{"id":4482,"date":"2023-07-10T18:31:08","date_gmt":"2023-07-10T18:31:08","guid":{"rendered":"https:\/\/statorials.org\/pl\/sas-proc-rej\/"},"modified":"2023-07-10T18:31:08","modified_gmt":"2023-07-10T18:31:08","slug":"sas-proc-rej","status":"publish","type":"post","link":"https:\/\/statorials.org\/pl\/sas-proc-rej\/","title":{"rendered":"Jak korzysta\u0107 z proc reg w sas (z przyk\u0142adem)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Mo\u017cesz u\u017cy\u0107 <strong>PROC REG<\/strong> w SAS, aby dopasowa\u0107 modele regresji liniowej.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Aby dopasowa\u0107 <a href=\"https:\/\/statorials.org\/pl\/regresja-liniowa-1\/\" target=\"_blank\" rel=\"noopener\">prosty model regresji liniowej,<\/a> 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;\">proc reg<\/span> <span style=\"color: #3366ff;\">data<\/span> = my_data;\n    <span style=\"color: #3366ff;\">model<\/span> y = x;\n<span style=\"color: #800080;\">run<\/span> ;<\/strong><\/span><\/pre>\n<p> <span style=\"color: #000000;\">B\u0119dzie to odpowiada\u0107 nast\u0119puj\u0105cemu modelowi regresji liniowej:<\/span><\/p>\n<p> <span style=\"color: #000000;\">y = b <sub>0<\/sub> + b <sub>1<\/sub> x<\/span><\/p>\n<p> <span style=\"color: #000000;\">Aby dopasowa\u0107 <a href=\"https:\/\/statorials.org\/pl\/wielokrotna-regresja-liniowa\/\" target=\"_blank\" rel=\"noopener\">model regresji liniowej,<\/a> 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;\">proc reg<\/span> <span style=\"color: #3366ff;\">data<\/span> = my_data;\n    <span style=\"color: #3366ff;\">model<\/span> y = x1 x2 x3;\n<span style=\"color: #800080;\">run<\/span> ;<\/strong><\/span><\/pre>\n<p> <span style=\"color: #000000;\">B\u0119dzie to odpowiada\u0107 nast\u0119puj\u0105cemu modelowi regresji liniowej:<\/span><\/p>\n<p> <span style=\"color: #000000;\">y = b <sub>0<\/sub> + b <sub>1<\/sub> x <sub>1<\/sub> + b <sub>2<\/sub> x <sub>2<\/sub> + b <sub>3<\/sub> x <sub>3<\/sub><\/span><\/p>\n<p> <span style=\"color: #000000;\">Poni\u017cszy przyk\u0142ad pokazuje, jak u\u017cy\u0107 <strong>PROC REG,<\/strong> aby dopasowa\u0107 prosty model regresji liniowej w SAS, a tak\u017ce jak zinterpretowa\u0107 wynik.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Przyk\u0142ad: Jak u\u017cywa\u0107 PROC REG w SAS<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Za\u0142\u00f3\u017cmy, \u017ce mamy nast\u0119puj\u0105cy zbi\u00f3r danych zawieraj\u0105cy informacje o godzinach przestudiowanych i wynikach egzamin\u00f3w ko\u0144cowych 15 uczni\u00f3w w klasie:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">\/*create dataset*\/\n<\/span><span style=\"color: #800080;\">data<\/span> exam_data;\n    <span style=\"color: #3366ff;\">input<\/span> hours score;\n    <span style=\"color: #3366ff;\">datalines<\/span> ;\n1 64\n2 66\n4 76\n5 73\n5 74\n6 81\n6 83\n7 82\n8 80\n10 88\n11 84\n11 82\n12 91\n12 93\n14 89\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> =exam_data;\n<\/strong><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-22743 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/simplesas1.jpg\" alt=\"\" width=\"143\" height=\"367\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Mo\u017cemy u\u017cy\u0107 <strong>PROC REG,<\/strong> aby dopasowa\u0107 prosty model regresji liniowej do tego zbioru danych, u\u017cywaj\u0105c <strong>godzin<\/strong> jako zmiennej predykcyjnej i <strong>wyniku<\/strong> jako<a href=\"https:\/\/statorials.org\/pl\/zmienne-odpowiedzi-wyjasniajace\/\" target=\"_blank\" rel=\"noopener\">zmiennej odpowiedzi<\/a> :<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">\/*fit simple linear regression model*\/\n<\/span><span style=\"color: #800080;\">proc reg<\/span> <span style=\"color: #3366ff;\">data<\/span> = exam_data;\n   <span style=\"color: #3366ff;\">model<\/span> score = hours;\n<span style=\"color: #800080;\">run<\/span> ;<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Pierwsza tabela wynik\u00f3w przedstawia podsumowanie dopasowania modelu:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-22744\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/simplesas2.jpg\" alt=\"proste wyj\u015bcie regresji liniowej w SAS-ie\" width=\"416\" height=\"501\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Tabela <strong>Oszacowania parametr\u00f3w<\/strong> zawiera oszacowania wsp\u00f3\u0142czynnik\u00f3w modelu.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Z tej tabeli mo\u017cemy zobaczy\u0107 dopasowane r\u00f3wnanie regresji:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Wynik = 65,33 + 1,98*(godziny)<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Procedura <strong>PROC REG<\/strong> generuje r\u00f3wnie\u017c wykresy reszt, kt\u00f3re mo\u017cemy wykorzysta\u0107 do sprawdzenia, czy spe\u0142nione s\u0105 <a href=\"https:\/\/statorials.org\/pl\/za\u0142ozenia-regresji-liniowej\/\" target=\"_blank\" rel=\"noopener\">za\u0142o\u017cenia modelu regresji liniowej<\/a> :<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-22747 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/simplesas3.jpg\" alt=\"\" width=\"663\" height=\"651\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\"><span style=\"color: #000000;\">Na koniec procedura <strong>PROC REG<\/strong> tworzy wykres rozrzutu surowych danych z na\u0142o\u017con\u0105 dopasowan\u0105 lini\u0105 regresji:<\/span><\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-35060 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/peluche1.png\" alt=\"\" width=\"624\" height=\"467\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Wykres ten pozwala nam wizualnie sprawdzi\u0107, jak dobrze linia regresji pasuje do danych.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Uwaga<\/strong> : pe\u0142n\u0105 dokumentacj\u0119 <strong>PROC REG<\/strong> mo\u017cna znale\u017a\u0107 <a href=\"https:\/\/documentation.sas.com\/doc\/en\/pgmsascdc\/9.4_3.4\/statug\/statug_reg_syntax01.htm\" target=\"_blank\" rel=\"noopener\">tutaj<\/a> .<\/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\/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-stopien-proc\/\" target=\"_blank\" rel=\"noopener\">Jak korzysta\u0107 z sortowania Proc w SAS-ie<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Mo\u017cesz u\u017cy\u0107 PROC REG w SAS, aby dopasowa\u0107 modele regresji liniowej. Aby dopasowa\u0107 prosty model regresji liniowej, mo\u017cesz u\u017cy\u0107 nast\u0119puj\u0105cej podstawowej sk\u0142adni: proc reg data = my_data; model y = x; run ; B\u0119dzie to odpowiada\u0107 nast\u0119puj\u0105cemu modelowi regresji liniowej: y = b 0 + b 1 x Aby dopasowa\u0107 model regresji liniowej, mo\u017cesz u\u017cy\u0107 [&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-4482","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 korzysta\u0107 z PROC REG w SAS (z przyk\u0142adem) - Statologia<\/title>\n<meta name=\"description\" content=\"W tym samouczku na przyk\u0142adzie wyja\u015bniono, jak u\u017cywa\u0107 PROC REG 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-proc-rej\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Jak korzysta\u0107 z PROC REG w SAS (z przyk\u0142adem) - Statologia\" \/>\n<meta property=\"og:description\" content=\"W tym samouczku na przyk\u0142adzie wyja\u015bniono, jak u\u017cywa\u0107 PROC REG w SAS-ie.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pl\/sas-proc-rej\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-10T18:31:08+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/simplesas1.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\/sas-proc-rej\/\",\"url\":\"https:\/\/statorials.org\/pl\/sas-proc-rej\/\",\"name\":\"Jak korzysta\u0107 z PROC REG w SAS (z przyk\u0142adem) - Statologia\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pl\/#website\"},\"datePublished\":\"2023-07-10T18:31:08+00:00\",\"dateModified\":\"2023-07-10T18:31:08+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965\"},\"description\":\"W tym samouczku na przyk\u0142adzie wyja\u015bniono, jak u\u017cywa\u0107 PROC REG w SAS-ie.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pl\/sas-proc-rej\/#breadcrumb\"},\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pl\/sas-proc-rej\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pl\/sas-proc-rej\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Dom\",\"item\":\"https:\/\/statorials.org\/pl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Jak korzysta\u0107 z proc reg w sas (z przyk\u0142adem)\"}]},{\"@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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