{"id":2967,"date":"2023-07-19T20:54:40","date_gmt":"2023-07-19T20:54:40","guid":{"rendered":"https:\/\/statorials.org\/pl\/obrot_wider-r\/"},"modified":"2023-07-19T20:54:40","modified_gmt":"2023-07-19T20:54:40","slug":"obrot_wider-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/pl\/obrot_wider-r\/","title":{"rendered":"Jak u\u017cywa\u0107 metody obrotowej () w r"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\"><span style=\"color: #000000;\">Funkcji <strong>obrotowej()<\/strong> pakietu <a href=\"https:\/\/tidyr.tidyverse.org\/\" target=\"_blank\" rel=\"noopener\">Tidyr<\/a> w R mo\u017cna u\u017cy\u0107 do obr\u00f3cenia bloku danych z formatu d\u0142ugiego do formatu szerokiego.<\/span><\/span><\/p>\n<p> <span style=\"color: #000000;\">Ta funkcja wykorzystuje nast\u0119puj\u0105c\u0105 podstawow\u0105 sk\u0142adni\u0119:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><b><span style=\"color: #008000;\">library<\/span> (tidyr)\n\ndf %&gt;% pivot_wider(names_from = var1, values_from = var2)<\/b><\/span><\/pre>\n<p> <span style=\"color: #000000;\">Z\u0142oto:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>nazwy_od<\/strong> : Kolumna, kt\u00f3rej warto\u015bci zostan\u0105 u\u017cyte jako nazwy kolumn<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>warto\u015bci_z<\/strong> : Kolumna, kt\u00f3rej warto\u015bci zostan\u0105 u\u017cyte jako warto\u015bci kom\u00f3rek<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Poni\u017cszy przyk\u0142ad pokazuje, jak w praktyce wykorzysta\u0107 t\u0119 funkcj\u0119.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Powi\u0105zane:<\/strong> <a href=\"https:\/\/statorials.org\/pl\/d\u0142ugie-dane-kontra-szerokie-dane\/\" target=\"_blank\" rel=\"noopener\">D\u0142ugie lub szerokie dane: jaka jest r\u00f3\u017cnica?<\/a><\/span><\/p>\n<h3> <strong><span style=\"color: #000000;\">Przyk\u0142ad: u\u017cyj metody obrotowej() w R<\/span><\/strong><\/h3>\n<p> <span style=\"color: #000000;\"><span style=\"color: #000000;\">Za\u0142\u00f3\u017cmy, \u017ce mamy nast\u0119puj\u0105c\u0105 ramk\u0119 danych w R, kt\u00f3ra zawiera informacje o r\u00f3\u017cnych koszykarzach:<\/span><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008080;\">#create data frame\n<\/span>df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (player=rep(c('A', 'B'), each= <span style=\"color: #008000;\">4<\/span> ),\n                 year=rep(c(1, 1, 2, 2), times= <span style=\"color: #008000;\">2<\/span> ),\n                 stat=rep(c('points', 'assists'), times= <span style=\"color: #008000;\">4<\/span> ),\n                 amount=c(14, 6, 18, 7, 22, 9, 38, 4))\n\n<span style=\"color: #008080;\">#view data frame\n<\/span>df\n\n  player year stat amount\n1 A 1 points 14\n2 A 1 assists 6\n3 A 2 points 18\n4 A 2 assists 7\n5 B 1 points 22\n6 B 1 assists 9\n7 B 2 points 38\n8 B 2 assists 4<\/strong><\/span><\/pre>\n<p> <span style=\"color: #000000;\">Mo\u017cemy u\u017cy\u0107 funkcji <strong>obrotu_wider()<\/strong> , aby obr\u00f3ci\u0107 t\u0119 ramk\u0119 danych do szerokiego formatu:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008000;\">library<\/span> (tidyr)\n\n<span style=\"color: #008080;\">#pivot the data frame into a wide format\n<\/span>df %&gt;% pivot_wider(names_from = stat, values_from = amount)\n\n# A tibble: 4 x 4\n  player year points assists\n         \n1 A 1 14 6\n2 A 2 18 7\n3 B 1 22 9\n4 B 2 38 4\n<\/strong><\/span><\/pre>\n<p> <span style=\"color: #000000;\">Nale\u017cy pami\u0119ta\u0107, \u017ce warto\u015bci w kolumnie <strong>stat<\/strong> s\u0105 teraz u\u017cywane jako nazwy kolumn, a warto\u015bci w kolumnie <strong>kwota<\/strong> s\u0105 u\u017cywane jako warto\u015bci kom\u00f3rek w tych nowych kolumnach.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Efektem ko\u0144cowym jest du\u017cy blok danych.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Uwaga<\/strong> : pe\u0142n\u0105 dokumentacj\u0119 funkcji <strong>obrotowej()<\/strong> mo\u017cna znale\u017a\u0107 <a href=\"https:\/\/tidyr.tidyverse.org\/reference\/pivot_wider.html\" target=\"_blank\" rel=\"noopener\">tutaj<\/a> .<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Dodatkowe zasoby<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Poni\u017csze samouczki wyja\u015bniaj\u0105, jak korzysta\u0107 z innych typowych funkcji z pakietu Tidyr w R:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/pl\/funkcja-rozprzestrzeniania-w-r\/\" target=\"_blank\" rel=\"noopener\">Jak korzysta\u0107 z funkcji Spread w R<\/a><br \/> <a href=\"https:\/\/statorials.org\/pl\/funkcja-zbierania-w-r\/\" target=\"_blank\" rel=\"noopener\">Jak korzysta\u0107 z funkcji zbierania w R<\/a><br \/> <a href=\"https:\/\/statorials.org\/pl\/osobna-funkcja-w-r\/\" target=\"_blank\" rel=\"noopener\">Jak korzysta\u0107 z osobnej funkcji w R<\/a><br \/> <a href=\"https:\/\/statorials.org\/pl\/funkcja-unite-w-r\/\" target=\"_blank\" rel=\"noopener\">Jak korzysta\u0107 z funkcji Unite w R<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Funkcji obrotowej() pakietu Tidyr w R mo\u017cna u\u017cy\u0107 do obr\u00f3cenia bloku danych z formatu d\u0142ugiego do formatu szerokiego. Ta funkcja wykorzystuje nast\u0119puj\u0105c\u0105 podstawow\u0105 sk\u0142adni\u0119: library (tidyr) df %&gt;% pivot_wider(names_from = var1, values_from = var2) Z\u0142oto: nazwy_od : Kolumna, kt\u00f3rej warto\u015bci zostan\u0105 u\u017cyte jako nazwy kolumn warto\u015bci_z : Kolumna, kt\u00f3rej warto\u015bci zostan\u0105 u\u017cyte jako warto\u015bci kom\u00f3rek [&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-2967","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 u\u017cywa\u0107 funkcji obrotowej() w R \u2013 Statology<\/title>\n<meta name=\"description\" content=\"W tym samouczku na przyk\u0142adzie wyja\u015bniono, jak u\u017cywa\u0107 funkcji obrotowej() w j\u0119zyku 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\/obrot_wider-r\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Jak u\u017cywa\u0107 funkcji obrotowej() w R \u2013 Statology\" \/>\n<meta property=\"og:description\" content=\"W tym samouczku na przyk\u0142adzie wyja\u015bniono, jak u\u017cywa\u0107 funkcji obrotowej() w j\u0119zyku R.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pl\/obrot_wider-r\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-19T20:54:40+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=\"2 minuty\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/pl\/obrot_wider-r\/\",\"url\":\"https:\/\/statorials.org\/pl\/obrot_wider-r\/\",\"name\":\"Jak u\u017cywa\u0107 funkcji obrotowej() w R \u2013 Statology\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pl\/#website\"},\"datePublished\":\"2023-07-19T20:54:40+00:00\",\"dateModified\":\"2023-07-19T20:54:40+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965\"},\"description\":\"W tym samouczku na przyk\u0142adzie wyja\u015bniono, jak u\u017cywa\u0107 funkcji obrotowej() w j\u0119zyku R.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pl\/obrot_wider-r\/#breadcrumb\"},\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pl\/obrot_wider-r\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pl\/obrot_wider-r\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Dom\",\"item\":\"https:\/\/statorials.org\/pl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Jak u\u017cywa\u0107 metody obrotowej () 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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