{"id":955,"date":"2023-07-28T04:47:06","date_gmt":"2023-07-28T04:47:06","guid":{"rendered":"https:\/\/statorials.org\/pl\/dplyr-czestotliwosci-wzgledne\/"},"modified":"2023-07-28T04:47:06","modified_gmt":"2023-07-28T04:47:06","slug":"dplyr-czestotliwosci-wzgledne","status":"publish","type":"post","link":"https:\/\/statorials.org\/pl\/dplyr-czestotliwosci-wzgledne\/","title":{"rendered":"Jak obliczy\u0107 cz\u0119stotliwo\u015bci wzgl\u0119dne za pomoc\u0105 dplyr"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Cz\u0119sto mo\u017cesz chcie\u0107 obliczy\u0107 wzgl\u0119dne cz\u0119stotliwo\u015bci\/proporcje warto\u015bci w jednej lub wi\u0119kszej liczbie kolumn ramki danych w R.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Na szcz\u0119\u015bcie mo\u017cna to \u0142atwo zrobi\u0107, korzystaj\u0105c z funkcji pakietu <a href=\"https:\/\/dplyr.tidyverse.org\/\" target=\"_blank\" rel=\"noopener noreferrer\">dplyr<\/a> . W tym samouczku pokazano, jak u\u017cywa\u0107 tych funkcji do obliczania cz\u0119stotliwo\u015bci wzgl\u0119dnych w nast\u0119puj\u0105cej ramce danych:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create data frame<\/span>\ndf &lt;- data.frame(team = c('A', 'A', 'A', 'B', 'B', 'B', 'B'),\n                 position = c('G', 'F', 'F', 'G', 'G', 'G', 'F'),\n                 points = c(12, 15, 19, 22, 32, 34, 39))\n\n<span style=\"color: #008080;\">#view data frame\n<\/span>df\n\n  team position points\n1 AG 12\n2 AF15\n3 FY 19\n4 BG 22\n5 BG 32\n6 BG 34\n7 BF 39\n<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Przyk\u0142ad 1: Cz\u0119stotliwo\u015b\u0107 wzgl\u0119dna zmiennej<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Poni\u017cszy kod pokazuje, jak obliczy\u0107 wzgl\u0119dn\u0105 cz\u0119stotliwo\u015b\u0107 ka\u017cdego zespo\u0142u w ramce danych:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>library(dplyr)\n\ndf %&gt;%\n  <span style=\"color: #3366ff;\">group_by<\/span> (team) %&gt;%\n  <span style=\"color: #3366ff;\">summarize<\/span> (n = n()) %&gt;%\n  <span style=\"color: #3366ff;\">mutate<\/span> (freq = n \/ sum(n))\n\n# A tibble: 2 x 3\n  team n freq\n    \n1 to 3 0.429\n2 B 4 0.571\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">To m\u00f3wi nam, \u017ce zesp\u00f3\u0142 A tworzy 42,9% wszystkich wierszy w ramce danych, podczas gdy zesp\u00f3\u0142 B tworzy pozosta\u0142e 57,1% wierszy. Nale\u017cy pami\u0119ta\u0107, \u017ce razem sumuj\u0105 si\u0119 do 100%.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Powi\u0105zane:<\/strong> <a href=\"https:\/\/statorials.org\/pl\/dane-dotyczace-wznowienia-grupy-r\/\" target=\"_blank\" rel=\"noopener noreferrer\">Kompletny przewodnik: Jak grupowa\u0107 i podsumowywa\u0107 dane w j\u0119zyku R<\/a><\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Przyk\u0142ad 2: Wzgl\u0119dna cz\u0119stotliwo\u015b\u0107 kilku zmiennych<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Poni\u017cszy kod pokazuje, jak obliczy\u0107 wzgl\u0119dn\u0105 cz\u0119stotliwo\u015b\u0107 pozycji <em>na<\/em> zesp\u00f3\u0142:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>library(dplyr)\n\ndf %&gt;%\n  <span style=\"color: #3366ff;\">group_by<\/span> (team, position) %&gt;%\n  <span style=\"color: #3366ff;\">summarize<\/span> (n = n()) %&gt;%\n  <span style=\"color: #3366ff;\">mutate<\/span> (freq = n \/ sum(n))\n\n# A tibble: 4 x 4\n# Groups: team [2]\n  team position n freq\n       \n1 AF 2 0.667\n2 AG 1 0.333\n3 BF 1 0.250\n4 BG 3 0.750\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">To m\u00f3wi nam, \u017ce:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">66,7% zawodnik\u00f3w dru\u017cyny A jest na pozycji F.<\/span><\/li>\n<li> <span style=\"color: #000000;\">33,3% zawodnik\u00f3w dru\u017cyny A jest na pozycji G.<\/span><\/li>\n<li> <span style=\"color: #000000;\">25,0% zawodnik\u00f3w dru\u017cyny A jest na pozycji F.<\/span><\/li>\n<li> <span style=\"color: #000000;\">75,0% zawodnik\u00f3w dru\u017cyny B znajduje si\u0119 na pozycji G.<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\"><strong>Powi\u0105zane:<\/strong> <a href=\"https:\/\/statorials.org\/pl\/jak-uzywac-mutacji-do-tworzenia-nowych-zmiennych-w-r\/\" target=\"_blank\" rel=\"noopener noreferrer\">Jak u\u017cywa\u0107 funkcji Mutuj do tworzenia nowych zmiennych w j\u0119zyku R<\/a><\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Przyk\u0142ad 3: Poka\u017c cz\u0119stotliwo\u015bci wzgl\u0119dne jako procenty<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Poni\u017cszy kod pokazuje, jak obliczy\u0107 wzgl\u0119dn\u0105 cz\u0119stotliwo\u015b\u0107 pozycji wed\u0142ug zespo\u0142u i jak wy\u015bwietli\u0107 te wzgl\u0119dne cz\u0119stotliwo\u015bci jako warto\u015bci procentowe:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>library(dplyr)\n\ndf %&gt;%\n  <span style=\"color: #3366ff;\">group_by<\/span> (team, position) %&gt;%\n  <span style=\"color: #3366ff;\">summarize<\/span> (n = n()) %&gt;%\n  <span style=\"color: #3366ff;\">mutate<\/span> (freq = paste0(round(100 * n\/sum(n), 0), ' <span style=\"color: #008000;\">%<\/span> '))\n\n# A tibble: 4 x 4\n# Groups: team [2]\n  team position n freq \n       \n1 AF 2 67%  \n2 GA 1 33%  \n3 BF 1 25%  \n4 BG 3 75%<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><em>Wi\u0119cej samouczk\u00f3w dotycz\u0105cych j\u0119zyka R mo\u017cna znale\u017a\u0107 <a href=\"https:\/\/statorials.org\" target=\"_blank\" rel=\"noopener noreferrer\">tutaj<\/a> .<\/em><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cz\u0119sto mo\u017cesz chcie\u0107 obliczy\u0107 wzgl\u0119dne cz\u0119stotliwo\u015bci\/proporcje warto\u015bci w jednej lub wi\u0119kszej liczbie kolumn ramki danych w R. Na szcz\u0119\u015bcie mo\u017cna to \u0142atwo zrobi\u0107, korzystaj\u0105c z funkcji pakietu dplyr . W tym samouczku pokazano, jak u\u017cywa\u0107 tych funkcji do obliczania cz\u0119stotliwo\u015bci wzgl\u0119dnych w nast\u0119puj\u0105cej ramce danych: #create data frame df &lt;- data.frame(team = c(&#8217;A&#8217;, 'A&#8217;, 'A&#8217;, [&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-955","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 obliczy\u0107 cz\u0119stotliwo\u015bci wzgl\u0119dne za pomoc\u0105 dplyr - Statologia<\/title>\n<meta name=\"description\" content=\"Proste wyja\u015bnienie, jak obliczy\u0107 cz\u0119stotliwo\u015bci wzgl\u0119dne w ramce danych w R przy u\u017cyciu pakietu dplyr.\" \/>\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\/dplyr-czestotliwosci-wzgledne\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Jak obliczy\u0107 cz\u0119stotliwo\u015bci wzgl\u0119dne za pomoc\u0105 dplyr - Statologia\" \/>\n<meta property=\"og:description\" content=\"Proste wyja\u015bnienie, jak obliczy\u0107 cz\u0119stotliwo\u015bci wzgl\u0119dne w ramce danych w R przy u\u017cyciu pakietu dplyr.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pl\/dplyr-czestotliwosci-wzgledne\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-28T04:47:06+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\/dplyr-czestotliwosci-wzgledne\/\",\"url\":\"https:\/\/statorials.org\/pl\/dplyr-czestotliwosci-wzgledne\/\",\"name\":\"Jak obliczy\u0107 cz\u0119stotliwo\u015bci wzgl\u0119dne za pomoc\u0105 dplyr - Statologia\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pl\/#website\"},\"datePublished\":\"2023-07-28T04:47:06+00:00\",\"dateModified\":\"2023-07-28T04:47:06+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965\"},\"description\":\"Proste wyja\u015bnienie, jak obliczy\u0107 cz\u0119stotliwo\u015bci wzgl\u0119dne w ramce danych w R przy u\u017cyciu pakietu dplyr.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pl\/dplyr-czestotliwosci-wzgledne\/#breadcrumb\"},\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pl\/dplyr-czestotliwosci-wzgledne\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pl\/dplyr-czestotliwosci-wzgledne\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Dom\",\"item\":\"https:\/\/statorials.org\/pl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Jak obliczy\u0107 cz\u0119stotliwo\u015bci wzgl\u0119dne za pomoc\u0105 dplyr\"}]},{\"@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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