{"id":772,"date":"2023-07-28T19:33:26","date_gmt":"2023-07-28T19:33:26","guid":{"rendered":"https:\/\/statorials.org\/pl\/test-rangi-znaku-wilcoxona-r\/"},"modified":"2023-07-28T19:33:26","modified_gmt":"2023-07-28T19:33:26","slug":"test-rangi-znaku-wilcoxona-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/pl\/test-rangi-znaku-wilcoxona-r\/","title":{"rendered":"Jak wykona\u0107 test rang ze znakiem wilcoxona w r"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><a href=\"https:\/\/statorials.org\/pl\/test-rangi-znaku-wilcoxona\/\" target=\"_blank\" rel=\"noopener\">Test rangi znaku Wilcoxona<\/a> <span style=\"color: #000000;\">jest<\/span> <span style=\"color: #000000;\">nieparametryczn\u0105 wersj\u0105<\/span> <a href=\"https:\/\/statorials.org\" target=\"_blank\" rel=\"noopener\">testu t dla par<\/a> <span style=\"color: #000000;\">. S\u0142u\u017cy do sprawdzenia, czy istnieje znacz\u0105ca r\u00f3\u017cnica mi\u0119dzy \u015brednimi z dw\u00f3ch populacji, gdy rozk\u0142adu r\u00f3\u017cnic mi\u0119dzy dwiema pr\u00f3bami nie mo\u017cna uzna\u0107 za normalny.<\/span><\/p>\n<p> <span style=\"color: #000000;\">W tym samouczku wyja\u015bniono, jak wykona\u0107 test rang ze znakiem Wilcoxona w j\u0119zyku R.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Przyk\u0142ad: Test rangowy podpisany Wilcoxonem w R<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Za\u0142\u00f3\u017cmy, \u017ce trener koszyk\u00f3wki chce wiedzie\u0107, czy okre\u015blony program treningowy zwi\u0119ksza liczb\u0119 rzut\u00f3w wolnych wykonywanych przez jego zawodnik\u00f3w. Aby to sprawdzi\u0107, poprosi\u0142 15 zawodnik\u00f3w, aby ka\u017cdy wykona\u0142 po 20 rzut\u00f3w wolnych przed i po programie treningowym.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Poniewa\u017c ka\u017cdego zawodnika mo\u017cna \u201esparowa\u0107\u201d ze sob\u0105, trener zaplanowa\u0142 zastosowanie testu t dla par, aby okre\u015bli\u0107, czy istnieje znacz\u0105ca r\u00f3\u017cnica pomi\u0119dzy \u015bredni\u0105 liczb\u0105 rzut\u00f3w wolnych wykonanych przed i po programie treningowym. szkolenie. Jednak\u017ce<\/span> <span style=\"color: #000000;\">rozk\u0142ad r\u00f3\u017cnic okazuje si\u0119 nienormalny, dlatego trener zamiast tego wykorzystuje test Wilcoxona Signed-Rank.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Poni\u017csza tabela przedstawia liczb\u0119 rzut\u00f3w wolnych wykonanych (z 20 pr\u00f3b) przez ka\u017cdego z 15 zawodnik\u00f3w przed i po programie treningowym:<\/span> <\/p>\n<p data-slot-rendered-dynamic=\"true\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-5403 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/wilcox1-1.png\" sizes=\"auto, \" srcset=\"\" alt=\"Przyk\u0142adowy zbi\u00f3r danych dla testu rangi podpisanej Wilcoxona\" width=\"243\" height=\"358\"><\/p>\n<p data-slot-rendered-dynamic=\"true\"> <span style=\"color: #000000;\">Aby wykona\u0107 test rang ze znakiem Wilcoxona na tych danych w R, mo\u017cemy u\u017cy\u0107 funkcji <strong>wilcox.test()<\/strong> , kt\u00f3ra wykorzystuje nast\u0119puj\u0105c\u0105 sk\u0142adni\u0119:<\/span><\/p>\n<p data-slot-rendered-dynamic=\"true\"> <span style=\"color: #000000;\"><strong>wilcox.test(x, y, parzysty = PRAWDA)<\/strong><\/span><\/p>\n<p data-slot-rendered-dynamic=\"true\"> <span style=\"color: #000000;\">Z\u0142oto:<\/span><\/p>\n<ul>\n<li data-slot-rendered-dynamic=\"true\"> <span style=\"color: #000000;\"><strong>x, y:<\/strong> dwa wektory warto\u015bci danych<\/span><\/li>\n<li data-slot-rendered-dynamic=\"true\"> <span style=\"color: #000000;\"><strong>sparowane:<\/strong> ustawienie na <strong>TRUE<\/strong> m\u00f3wi R, \u017ce nasze dwa wektory zawieraj\u0105 sparowane dane<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Poni\u017cszy kod ilustruje spos\u00f3b u\u017cycia tej funkcji do przeprowadzenia testu Wilcoxon Signed-Rank na tych danych:<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create the two vectors of data<\/span>\nbefore &lt;- c(14, 17, 12, 15, 15, 9, 12, 13, 13, 15, 19, 17, 14, 14, 16)\nafter &lt;- c(15, 17, 15, 15, 17, 14, 9, 14, 11, 16, 18, 20, 20, 10, 17)\n\n<span style=\"color: #008080;\">#perform Wilcoxon Signed-Rank Test<\/span>\nwilcox.test(before, after, paired=TRUE)\n\n\tWilcoxon signed rank test with continuity correction\n\ndata: before and after\nV = 29.5, p-value = 0.275\nalternative hypothesis: true location shift is not equal to 0<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Statystyka testowa wynosi <strong>29,5<\/strong> , a odpowiadaj\u0105ca jej warto\u015b\u0107 p wynosi <strong>0,275<\/strong> . Poniewa\u017c ta warto\u015b\u0107 p jest nie mniejsza ni\u017c 0,05, nie mo\u017cemy odrzuci\u0107 hipotezy zerowej. Nie stwierdzono istotnej statystycznie r\u00f3\u017cnicy w liczbie rzut\u00f3w wolnych przed i po wzi\u0119ciu udzia\u0142u w programie treningowym.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Domy\u015blnie ta funkcja wykonuje dwustronny test Wilcoxona ze znakiem rangi, ale mo\u017cesz okre\u015bli\u0107 test lewor\u0119czny lub prawor\u0119czny, u\u017cywaj\u0105c <strong>alternatywnego<\/strong> argumentu:<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#perform left-tailed Wilcoxon Signed-Rank Test<\/span>\nwilcox.test(before, after, paired=TRUE, alternative=\"less\")\n\n\tWilcoxon signed rank test with continuity correction\n\ndata: before and after\nV = 29.5, p-value = 0.1375\nalternative hypothesis: true location shift is less than 0\n\n<span style=\"color: #008080;\">#perform right-tailed Wilcoxon Signed-Rank Test\n<\/span>wilcox.test(before, after, paired=TRUE, alternative=\"greater\")\n\n\tWilcoxon signed rank test with continuity correction\n\ndata: before and after\nV = 29.5, p-value = 0.8774\nalternative hypothesis: true location shift is greater than 0\n<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Dodatkowe zasoby<\/strong><\/span><\/h3>\n<p> <a href=\"https:\/\/statorials.org\/pl\/test-rangi-znaku-wilcoxona\/\" target=\"_blank\" rel=\"noopener\">Wprowadzenie do testu rang podpisanych Wilcoxona<\/a><br \/> <a href=\"https:\/\/statorials.org\/pl\/kalkulator-testu-umiejscowienia-znaku-wilcoxona\/\" target=\"_blank\" rel=\"noopener\">Kalkulator testu miejsca podpisanego Wilcoxona<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Test rangi znaku Wilcoxona jest nieparametryczn\u0105 wersj\u0105 testu t dla par . S\u0142u\u017cy do sprawdzenia, czy istnieje znacz\u0105ca r\u00f3\u017cnica mi\u0119dzy \u015brednimi z dw\u00f3ch populacji, gdy rozk\u0142adu r\u00f3\u017cnic mi\u0119dzy dwiema pr\u00f3bami nie mo\u017cna uzna\u0107 za normalny. W tym samouczku wyja\u015bniono, jak wykona\u0107 test rang ze znakiem Wilcoxona w j\u0119zyku R. Przyk\u0142ad: Test rangowy podpisany Wilcoxonem 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-772","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 test rang ze znakiem Wilcoxona w R - Statology<\/title>\n<meta name=\"description\" content=\"Proste wyja\u015bnienie, jak wykona\u0107 test rangi podpisanej Wilcoxona w R.\" \/>\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\/test-rangi-znaku-wilcoxona-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 test rang ze znakiem Wilcoxona w R - Statology\" \/>\n<meta property=\"og:description\" content=\"Proste wyja\u015bnienie, jak wykona\u0107 test rangi podpisanej Wilcoxona w R.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pl\/test-rangi-znaku-wilcoxona-r\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-28T19:33:26+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/wilcox1-1.png\" \/>\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\/test-rangi-znaku-wilcoxona-r\/\",\"url\":\"https:\/\/statorials.org\/pl\/test-rangi-znaku-wilcoxona-r\/\",\"name\":\"Jak wykona\u0107 test rang ze znakiem Wilcoxona w R - Statology\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pl\/#website\"},\"datePublished\":\"2023-07-28T19:33:26+00:00\",\"dateModified\":\"2023-07-28T19:33:26+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965\"},\"description\":\"Proste wyja\u015bnienie, jak wykona\u0107 test rangi podpisanej Wilcoxona w R.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pl\/test-rangi-znaku-wilcoxona-r\/#breadcrumb\"},\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pl\/test-rangi-znaku-wilcoxona-r\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pl\/test-rangi-znaku-wilcoxona-r\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Dom\",\"item\":\"https:\/\/statorials.org\/pl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Jak wykona\u0107 test rang ze znakiem wilcoxona 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. Dzi\u0119ki bogatemu do\u015bwiadczeniu i wiedzy specjalistycznej w dziedzinie statystyki ch\u0119tnie dziel\u0119 si\u0119 swoj\u0105 wiedz\u0105, aby wzmocni\u0107 pozycj\u0119 uczni\u00f3w za po\u015brednictwem Statorials. Wiedzie\u0107 wi\u0119cej\",\"sameAs\":[\"https:\/\/statorials.org\/pl\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Jak wykona\u0107 test rang ze znakiem Wilcoxona w R - Statology","description":"Proste wyja\u015bnienie, jak wykona\u0107 test rangi podpisanej Wilcoxona w R.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/statorials.org\/pl\/test-rangi-znaku-wilcoxona-r\/","og_locale":"pl_PL","og_type":"article","og_title":"Jak wykona\u0107 test rang ze znakiem Wilcoxona w R - Statology","og_description":"Proste wyja\u015bnienie, jak wykona\u0107 test rangi podpisanej Wilcoxona w R.","og_url":"https:\/\/statorials.org\/pl\/test-rangi-znaku-wilcoxona-r\/","og_site_name":"Statorials","article_published_time":"2023-07-28T19:33:26+00:00","og_image":[{"url":"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/wilcox1-1.png"}],"author":"Benjamin Anderson","twitter_card":"summary_large_image","twitter_misc":{"Napisane przez":"Benjamin Anderson","Szacowany czas czytania":"2 minuty"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/statorials.org\/pl\/test-rangi-znaku-wilcoxona-r\/","url":"https:\/\/statorials.org\/pl\/test-rangi-znaku-wilcoxona-r\/","name":"Jak wykona\u0107 test rang ze znakiem Wilcoxona w R - Statology","isPartOf":{"@id":"https:\/\/statorials.org\/pl\/#website"},"datePublished":"2023-07-28T19:33:26+00:00","dateModified":"2023-07-28T19:33:26+00:00","author":{"@id":"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965"},"description":"Proste wyja\u015bnienie, jak wykona\u0107 test rangi podpisanej Wilcoxona w R.","breadcrumb":{"@id":"https:\/\/statorials.org\/pl\/test-rangi-znaku-wilcoxona-r\/#breadcrumb"},"inLanguage":"pl-PL","potentialAction":[{"@type":"ReadAction","target":["https:\/\/statorials.org\/pl\/test-rangi-znaku-wilcoxona-r\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/statorials.org\/pl\/test-rangi-znaku-wilcoxona-r\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Dom","item":"https:\/\/statorials.org\/pl\/"},{"@type":"ListItem","position":2,"name":"Jak wykona\u0107 test rang ze znakiem wilcoxona 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. Dzi\u0119ki bogatemu do\u015bwiadczeniu i wiedzy specjalistycznej w dziedzinie statystyki ch\u0119tnie dziel\u0119 si\u0119 swoj\u0105 wiedz\u0105, aby wzmocni\u0107 pozycj\u0119 uczni\u00f3w za po\u015brednictwem Statorials. Wiedzie\u0107 wi\u0119cej","sameAs":["https:\/\/statorials.org\/pl"]}]}},"yoast_meta":{"yoast_wpseo_title":"","yoast_wpseo_metadesc":"","yoast_wpseo_canonical":""},"_links":{"self":[{"href":"https:\/\/statorials.org\/pl\/wp-json\/wp\/v2\/posts\/772","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/statorials.org\/pl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/statorials.org\/pl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/statorials.org\/pl\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/statorials.org\/pl\/wp-json\/wp\/v2\/comments?post=772"}],"version-history":[{"count":0,"href":"https:\/\/statorials.org\/pl\/wp-json\/wp\/v2\/posts\/772\/revisions"}],"wp:attachment":[{"href":"https:\/\/statorials.org\/pl\/wp-json\/wp\/v2\/media?parent=772"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/statorials.org\/pl\/wp-json\/wp\/v2\/categories?post=772"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/statorials.org\/pl\/wp-json\/wp\/v2\/tags?post=772"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}