{"id":2546,"date":"2023-07-21T19:20:33","date_gmt":"2023-07-21T19:20:33","guid":{"rendered":"https:\/\/statorials.org\/pl\/trojdrozna-anova-w-r\/"},"modified":"2023-07-21T19:20:33","modified_gmt":"2023-07-21T19:20:33","slug":"trojdrozna-anova-w-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/pl\/trojdrozna-anova-w-r\/","title":{"rendered":"Jak wykona\u0107 tr\u00f3jczynnikow\u0105 anova w r"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\"><strong>Tr\u00f3jczynnikow\u0105 analiz\u0119 ANOVA<\/strong> stosuje si\u0119 w celu ustalenia, czy istnieje statystycznie istotna r\u00f3\u017cnica pomi\u0119dzy \u015brednimi z trzech lub wi\u0119kszej liczby niezale\u017cnych grup, kt\u00f3re zosta\u0142y rozdzielone na trzy czynniki.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Poni\u017cszy przyk\u0142ad pokazuje, jak wykona\u0107 tr\u00f3jczynnikow\u0105 analiz\u0119 ANOVA w R.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Przyk\u0142ad: Tr\u00f3jczynnikowa ANOVA w R<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Za\u0142\u00f3\u017cmy, \u017ce badacz chce ustali\u0107, czy dwa programy treningowe prowadz\u0105 do r\u00f3\u017cnej \u015bredniej poprawy wysoko\u015bci skoku w\u015br\u00f3d koszykarzy z college&#8217;u.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Badacz podejrzewa, \u017ce p\u0142e\u0107 i podzia\u0142 (I lub II Dywizja) r\u00f3wnie\u017c mog\u0105 mie\u0107 wp\u0142yw na wysoko\u015b\u0107 skoku, dlatego zbiera dane r\u00f3wnie\u017c na temat tych czynnik\u00f3w.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Jego celem jest wykonanie tr\u00f3jczynnikowej analizy ANOVA w celu okre\u015blenia, w jaki spos\u00f3b program treningowy, p\u0142e\u0107 i kategoria wp\u0142ywaj\u0105 na wysoko\u015b\u0107 skoku.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Wykonaj nast\u0119puj\u0105ce kroki, aby wykona\u0107 tr\u00f3jczynnikow\u0105 ANOVA w R:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Krok 1: Utw\u00f3rz dane<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Najpierw utw\u00f3rzmy ramk\u0119 danych do przechowywania danych:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create dataset\n<\/span>df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (program=rep(c(1, 2), each= <span style=\"color: #008000;\">20<\/span> ),\n                 gender=rep(c(' <span style=\"color: #ff0000;\">M<\/span> ', ' <span style=\"color: #ff0000;\">F<\/span> '), each= <span style=\"color: #008000;\">10<\/span> , times= <span style=\"color: #008000;\">2<\/span> ),\n                 division=rep(c(1, 2), each= <span style=\"color: #008000;\">5<\/span> , times= <span style=\"color: #008000;\">4<\/span> ),\n                 height=c(7, 7, 8, 8, 7, 6, 6, 5, 6, 5,\n                          5, 5, 4, 5, 4, 3, 3, 4, 3, 3,\n                          6, 6, 5, 4, 5, 4, 5, 4, 4, 3,\n                          2, 2, 1, 4, 4, 2, 1, 1, 2, 1)) \n\n<span style=\"color: #008080;\">#view first six rows of dataset\n<\/span>head(df)\n\n  program gender division height\n1 1 M 1 7\n2 1 M 1 7\n3 1 M 1 8\n4 1 M 1 8\n5 1 M 1 7\n6 1 M 2 6<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>Krok 2: Wy\u015bwietl statystyki opisowe<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Przed wykonaniem tr\u00f3jczynnikowej analizy ANOVA mo\u017cemy u\u017cy\u0107 <a href=\"https:\/\/dplyr.tidyverse.org\/\" target=\"_blank\" rel=\"noopener\">dplyr<\/a> , aby szybko podsumowa\u0107 \u015bredni wzrost wysoko\u015bci skoku pogrupowany wed\u0142ug programu treningowego, p\u0142ci i klasy:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">library<\/span> (dplyr)\n\n<span style=\"color: #008080;\">#calculate mean jumping height increase grouped by program, gender, and division\n<\/span>df %&gt;%\n  group_by(program, gender, division) %&gt;%\n  summarize(mean_height = mean(height))\n\n# A tibble: 8 x 4\n# Groups: program, gender [4]\n  program gender division mean_height\n                 \n1 1 F 1 4.6\n2 1 F 2 3.2\n3 1 M 1 7.4\n4 1 M 2 5.6\n5 2 F 1 2.6\n6 2 F 2 1.4\n7 2 M 1 5.2\n8 2 M 2 4  \n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Oto jak zinterpretowa\u0107 wynik:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">\u015aredni wzrost wysoko\u015bci skoku kobiet z I ligi, kt\u00f3re korzysta\u0142y z Programu treningowego 1, wyni\u00f3s\u0142 <strong>4,6 cala<\/strong> .<\/span><\/li>\n<li> <span style=\"color: #000000;\">\u015aredni wzrost wysoko\u015bci skoku w\u015br\u00f3d kobiet z Oddzia\u0142u II, kt\u00f3re korzysta\u0142y z Programu Treningowego 1, wyni\u00f3s\u0142 <strong>3,2 cala<\/strong> .<\/span><\/li>\n<li> <span style=\"color: #000000;\">\u015aredni wzrost wysoko\u015bci skoku w\u015br\u00f3d m\u0119\u017cczyzn z Dywizji I, kt\u00f3rzy korzystali z Programu Treningowego 1, wyni\u00f3s\u0142 <strong>7,4 cala<\/strong> .<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">I tak dalej.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Krok 3: Wykonaj tr\u00f3jczynnikow\u0105 ANOVA<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Nast\u0119pnie mo\u017cemy u\u017cy\u0107 funkcji <strong>aov()<\/strong> , aby wykona\u0107 tr\u00f3jczynnikow\u0105 analiz\u0119 ANOVA:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#perform three-way ANOVA<\/span>\nmodel &lt;- aov(height ~ program * gender * division, data=df)\n\n<span style=\"color: #008080;\">#view summary of three-way ANOVA\n<\/span>summary(model)\n\n                        Df Sum Sq Mean Sq F value Pr(&gt;F)    \nprogram 1 36.1 36.10 65.636 2.98e-09 ***\ngender 1 67.6 67.60 122.909 1.71e-12 ***\ndivision 1 19.6 19.60 35.636 1.19e-06 ***\nprogram:gender 1 0.0 0.00 0.000 1.000    \nprogram:division 1 0.4 0.40 0.727 0.400    \ngender:division 1 0.1 0.10 0.182 0.673    \nprogram:gender:division 1 0.1 0.10 0.182 0.673    \nResiduals 32 17.6 0.55                     \n---\nSignificant. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Kolumna <strong>Pr(&gt;F)<\/strong> wy\u015bwietla warto\u015b\u0107 p dla ka\u017cdego pojedynczego czynnika i interakcje mi\u0119dzy czynnikami.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Z wynik\u00f3w wynika, \u017ce \u017cadna z interakcji pomi\u0119dzy trzema czynnikami nie by\u0142a istotna statystycznie.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Widzimy te\u017c, \u017ce ka\u017cdy z trzech czynnik\u00f3w \u2013 program, p\u0142e\u0107 i podzia\u0142 \u2013 by\u0142 istotny statystycznie.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Mo\u017cemy teraz ponownie u\u017cy\u0107 dplyr, aby znale\u017a\u0107 \u015bredni wzrost wysoko\u015bci skoku oddzielnie dla programu, p\u0142ci i dywizji:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008000;\">library<\/span> (dplyr)\n<\/span>\n#find mean jumping increase by program<\/span>\ndf %&gt;%\n  group_by(program) %&gt;%\n  summarize(mean_height = mean(height))\n\n# A tibble: 2 x 2\n  program mean_height\n           \n1 1 5.2\n2 2 3.3\n\n<span style=\"color: #008080;\">#find mean jumping increase by gender\n<\/span>df %&gt;%\n  group_by(gender) %&gt;%\n  summarize(mean_height = mean(height))\n\n# A tibble: 2 x 2\n  gender mean_height\n          \n1 F 2.95\n2M 5.55\n\n<span style=\"color: #008080;\">#find mean jumping increase by division\n<\/span>df %&gt;%\ngroup_by(division) %&gt;%\nsummarize(mean_height = mean(height))\n\n# A tibble: 2 x 2\n  division mean_height\n            \n1 1 4.95\n2 2 3.55<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Na podstawie wyniku mo\u017cemy zaobserwowa\u0107, co nast\u0119puje:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">\u015aredni wzrost wysoko\u015bci skoku u os\u00f3b, kt\u00f3re korzysta\u0142y z programu treningowego 1 ( <strong>5,2 cala<\/strong> ) by\u0142 wi\u0119kszy ni\u017c \u015bredni wzrost u os\u00f3b, kt\u00f3re korzysta\u0142y z programu treningowego 2 <strong>(3,3 cala<\/strong> ).<\/span><\/li>\n<li> <span style=\"color: #000000;\">\u015aredni wzrost wysoko\u015bci skoku dla m\u0119\u017cczyzn ( <strong>5,55 cala<\/strong> ) by\u0142 wi\u0119kszy ni\u017c \u015bredni wzrost dla kobiet <strong>(2,95 cala<\/strong> ).<\/span><\/li>\n<li> <span style=\"color: #000000;\">\u015aredni wzrost wysoko\u015bci skoku w\u015br\u00f3d graczy Division 1 ( <strong>4,95 cala<\/strong> ) by\u0142 wi\u0119kszy ni\u017c \u015bredni wzrost w\u015br\u00f3d graczy Division 2 <strong>(3,55 cala<\/strong> ).<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Podsumowuj\u0105c, mo\u017cna powiedzie\u0107, \u017ce program treningowy, p\u0142e\u0107 i kategoria s\u0105 znacz\u0105cymi wska\u017anikami zwi\u0119kszonej wysoko\u015bci skoku u zawodnik\u00f3w.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Powiedzieliby\u015bmy r\u00f3wnie\u017c, \u017ce nie ma znacz\u0105cych efekt\u00f3w interakcji mi\u0119dzy tymi trzema czynnikami.<\/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 dopasowa\u0107 inne modele ANOVA w R:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/pl\/w-jedna-strone-anova-r\/\" target=\"_blank\" rel=\"noopener\">Jak wykona\u0107 jednokierunkow\u0105 ANOVA w R<\/a><br \/> <a href=\"https:\/\/statorials.org\/pl\/anova-ra-w-dwie-strony\/\" target=\"_blank\" rel=\"noopener\">Jak wykona\u0107 dwukierunkow\u0105 ANOVA w R<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tr\u00f3jczynnikow\u0105 analiz\u0119 ANOVA stosuje si\u0119 w celu ustalenia, czy istnieje statystycznie istotna r\u00f3\u017cnica pomi\u0119dzy \u015brednimi z trzech lub wi\u0119kszej liczby niezale\u017cnych grup, kt\u00f3re zosta\u0142y rozdzielone na trzy czynniki. Poni\u017cszy przyk\u0142ad pokazuje, jak wykona\u0107 tr\u00f3jczynnikow\u0105 analiz\u0119 ANOVA w R. Przyk\u0142ad: Tr\u00f3jczynnikowa ANOVA w R Za\u0142\u00f3\u017cmy, \u017ce badacz chce ustali\u0107, czy dwa programy treningowe prowadz\u0105 do r\u00f3\u017cnej [&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-2546","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 wykona\u0107 tr\u00f3jczynnikow\u0105 ANOVA w R - Statorials<\/title>\n<meta name=\"description\" content=\"W tym samouczku wyja\u015bniono, jak wykona\u0107 tr\u00f3jczynnikow\u0105 analiz\u0119 ANOVA w j\u0119zyku R, \u0142\u0105cznie z pe\u0142nym przyk\u0142adem.\" \/>\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\/trojdrozna-anova-w-r\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Jak wykona\u0107 tr\u00f3jczynnikow\u0105 ANOVA w R - Statorials\" \/>\n<meta property=\"og:description\" content=\"W tym samouczku wyja\u015bniono, jak wykona\u0107 tr\u00f3jczynnikow\u0105 analiz\u0119 ANOVA w j\u0119zyku R, \u0142\u0105cznie z pe\u0142nym przyk\u0142adem.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pl\/trojdrozna-anova-w-r\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-21T19:20:33+00:00\" \/>\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=\"4 minuty\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/pl\/trojdrozna-anova-w-r\/\",\"url\":\"https:\/\/statorials.org\/pl\/trojdrozna-anova-w-r\/\",\"name\":\"Jak wykona\u0107 tr\u00f3jczynnikow\u0105 ANOVA w R - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pl\/#website\"},\"datePublished\":\"2023-07-21T19:20:33+00:00\",\"dateModified\":\"2023-07-21T19:20:33+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965\"},\"description\":\"W tym samouczku wyja\u015bniono, jak wykona\u0107 tr\u00f3jczynnikow\u0105 analiz\u0119 ANOVA w j\u0119zyku R, \u0142\u0105cznie z pe\u0142nym przyk\u0142adem.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pl\/trojdrozna-anova-w-r\/#breadcrumb\"},\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pl\/trojdrozna-anova-w-r\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pl\/trojdrozna-anova-w-r\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Dom\",\"item\":\"https:\/\/statorials.org\/pl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Jak wykona\u0107 tr\u00f3jczynnikow\u0105 anova w r\"}]},{\"@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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