{"id":851,"date":"2023-07-28T13:09:22","date_gmt":"2023-07-28T13:09:22","guid":{"rendered":"https:\/\/statorials.org\/pl\/w-jedna-strone-anova-python\/"},"modified":"2023-07-28T13:09:22","modified_gmt":"2023-07-28T13:09:22","slug":"w-jedna-strone-anova-python","status":"publish","type":"post","link":"https:\/\/statorials.org\/pl\/w-jedna-strone-anova-python\/","title":{"rendered":"Jak wykona\u0107 jednokierunkow\u0105 anova w pythonie"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\"><a href=\"https:\/\/statorials.org\/pl\/w-jedna-strone,-anova\/\" target=\"_blank\" rel=\"noopener\">Jednoczynnikow\u0105 ANOVA<\/a> (\u201eanaliza wariancji\u201d) stosuje si\u0119 w celu ustalenia, czy istnieje statystycznie istotna r\u00f3\u017cnica mi\u0119dzy \u015brednimi z trzech lub wi\u0119cej niezale\u017cnych grup.<\/span><\/p>\n<p> <span style=\"color: #000000;\">W tym samouczku wyja\u015bniono, jak wykona\u0107 jednokierunkow\u0105 analiz\u0119 ANOVA w Pythonie.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Przyk\u0142ad: jednokierunkowa ANOVA w Pythonie<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Badacz rekrutuje 30 student\u00f3w do udzia\u0142u w badaniu. Studenci s\u0105 <a href=\"https:\/\/statorials.org\/pl\/wybor-losowy-vs.-losowe-przypisanie\/\" target=\"_blank\" rel=\"noopener\">losowo przydzielani<\/a> do stosowania jednej z trzech technik uczenia si\u0119 w ci\u0105gu nast\u0119pnych trzech tygodni w celu przygotowania si\u0119 do egzaminu. Pod koniec trzech tygodni wszyscy uczniowie przyst\u0119puj\u0105 do tego samego testu.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Wykonaj poni\u017csze kroki, aby wykona\u0107 jednoczynnikow\u0105 analiz\u0119 ANOVA w celu ustalenia, czy \u015brednie wyniki s\u0105 takie same w trzech grupach.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Krok 1: Wprowad\u017a dane.<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Najpierw wpiszemy wyniki egzaminu dla ka\u017cdej grupy do trzech oddzielnych tabel:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#enter exam scores for each group<\/span>\ngroup1 = [85, 86, 88, 75, 78, 94, 98, 79, 71, 80]\ngroup2 = [91, 92, 93, 85, 87, 84, 82, 88, 95, 96]\ngroup3 = [79, 78, 88, 94, 92, 85, 83, 85, 82, 81]\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>Krok 2: Wykonaj jednokierunkow\u0105 ANOVA.<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Nast\u0119pnie u\u017cyjemy <a href=\"https:\/\/docs.scipy.org\/doc\/scipy\/reference\/generated\/scipy.stats.f_oneway.html\" target=\"_blank\" rel=\"noopener\">funkcji f_oneway()<\/a> z biblioteki SciPy, aby wykona\u0107 jednokierunkow\u0105 ANOVA:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #107d3f;\">from<\/span> scipy.stats <span style=\"color: #107d3f;\">import<\/span> f_oneway\n\n<span style=\"color: #008080;\">#perform one-way ANOVA<\/span>\nf_oneway(group1, group2, group3)\n\n(statistic=2.3575, pvalue=0.1138)\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>Krok 3: Interpretacja wynik\u00f3w.<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Jednoczynnikowa ANOVA wykorzystuje nast\u0119puj\u0105ce <a href=\"https:\/\/statorials.org\/pl\/testowanie-hipotez-1\/\" target=\"_blank\" rel=\"noopener\">hipotezy<\/a> zerowe i alternatywne:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>H <sub>0<\/sub> (hipoteza zerowa):<\/strong> \u03bc <sub>1<\/sub> = \u03bc <sub>2<\/sub> = \u03bc <sub>3<\/sub> = \u2026 = \u03bc <sub>k<\/sub> (wszystkie \u015brednie populacji s\u0105 r\u00f3wne)<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>H <sub>1<\/sub> (hipoteza zerowa):<\/strong> co najmniej jedna \u015brednia populacji jest inna <sub>&nbsp;<\/sub> odpoczynek<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\"><a href=\"https:\/\/statorials.org\/pl\/anova-wartosc-f-wartosc-p\/\" target=\"_blank\" rel=\"noopener\">Statystyka testu F<\/a> wynosi <strong>2,3575<\/strong> , a odpowiadaj\u0105ca jej warto\u015b\u0107 p wynosi <strong>0,1138<\/strong> . Poniewa\u017c warto\u015b\u0107 p jest nie mniejsza ni\u017c 0,05, nie mo\u017cemy odrzuci\u0107 hipotezy zerowej.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Oznacza to, \u017ce nie mamy wystarczaj\u0105cych dowod\u00f3w, aby stwierdzi\u0107, \u017ce istnieje r\u00f3\u017cnica w wynikach egzamin\u00f3w pomi\u0119dzy trzema technikami badania.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Dodatkowe zasoby<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Poni\u017csze samouczki zawieraj\u0105 dodatkowe informacje na temat jednokierunkowej analizy ANOVA:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/pl\/w-jedna-strone,-anova\/\" target=\"_blank\" rel=\"noopener\">Wprowadzenie do jednokierunkowej ANOVA<\/a><br \/> <a href=\"https:\/\/statorials.org\/pl\/jednokierunkowy-kalkulator-danova\/\" target=\"_blank\" rel=\"noopener\">Jednokierunkowy kalkulator ANOVA<\/a><br \/> <a href=\"https:\/\/statorials.org\/pl\/jak-zg\u0142osic-wyniki-anova\/\" target=\"_blank\" rel=\"noopener\">Kompletny przewodnik: Jak zg\u0142asza\u0107 wyniki ANOVA<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Jednoczynnikow\u0105 ANOVA (\u201eanaliza wariancji\u201d) stosuje si\u0119 w celu ustalenia, czy istnieje statystycznie istotna r\u00f3\u017cnica mi\u0119dzy \u015brednimi z trzech lub wi\u0119cej niezale\u017cnych grup. W tym samouczku wyja\u015bniono, jak wykona\u0107 jednokierunkow\u0105 analiz\u0119 ANOVA w Pythonie. Przyk\u0142ad: jednokierunkowa ANOVA w Pythonie Badacz rekrutuje 30 student\u00f3w do udzia\u0142u w badaniu. Studenci s\u0105 losowo przydzielani do stosowania jednej z trzech [&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-851","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 jednokierunkow\u0105 ANOVA w Pythonie \u2013 Statologia<\/title>\n<meta name=\"description\" content=\"Proste wyja\u015bnienie, jak wykona\u0107 i zinterpretowa\u0107 jednokierunkow\u0105 analiz\u0119 ANOVA w Pythonie.\" \/>\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\/w-jedna-strone-anova-python\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Jak wykona\u0107 jednokierunkow\u0105 ANOVA w Pythonie \u2013 Statologia\" \/>\n<meta property=\"og:description\" content=\"Proste wyja\u015bnienie, jak wykona\u0107 i zinterpretowa\u0107 jednokierunkow\u0105 analiz\u0119 ANOVA w Pythonie.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pl\/w-jedna-strone-anova-python\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-28T13:09:22+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=\"1 minuta\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/pl\/w-jedna-strone-anova-python\/\",\"url\":\"https:\/\/statorials.org\/pl\/w-jedna-strone-anova-python\/\",\"name\":\"Jak wykona\u0107 jednokierunkow\u0105 ANOVA w Pythonie \u2013 Statologia\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pl\/#website\"},\"datePublished\":\"2023-07-28T13:09:22+00:00\",\"dateModified\":\"2023-07-28T13:09:22+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965\"},\"description\":\"Proste wyja\u015bnienie, jak wykona\u0107 i zinterpretowa\u0107 jednokierunkow\u0105 analiz\u0119 ANOVA w Pythonie.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pl\/w-jedna-strone-anova-python\/#breadcrumb\"},\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pl\/w-jedna-strone-anova-python\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pl\/w-jedna-strone-anova-python\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Dom\",\"item\":\"https:\/\/statorials.org\/pl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Jak wykona\u0107 jednokierunkow\u0105 anova w pythonie\"}]},{\"@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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