{"id":3551,"date":"2023-07-16T21:20:55","date_gmt":"2023-07-16T21:20:55","guid":{"rendered":"https:\/\/statorials.org\/pl\/r-polacz-wiersze-o-tej-samej-wartosci-kolumny\/"},"modified":"2023-07-16T21:20:55","modified_gmt":"2023-07-16T21:20:55","slug":"r-polacz-wiersze-o-tej-samej-wartosci-kolumny","status":"publish","type":"post","link":"https:\/\/statorials.org\/pl\/r-polacz-wiersze-o-tej-samej-wartosci-kolumny\/","title":{"rendered":"Jak \u0142\u0105czy\u0107 wiersze z tymi samymi warto\u015bciami kolumn w r"},"content":{"rendered":"

<\/p>\n

\n

Mo\u017cesz u\u017cy\u0107 nast\u0119puj\u0105cej podstawowej sk\u0142adni, aby po\u0142\u0105czy\u0107 wiersze z tymi samymi warto\u015bciami kolumn w ramce danych w R:<\/span><\/p>\n

 library<\/span> (dplyr)\n\ndf %>%\n  group_by(group_var1, group_var2) %>%\n  summarise(across(c(values_var1, values_var2), sum))\n<\/strong><\/pre>\n
 Poni\u017cszy przyk\u0142ad pokazuje, jak zastosowa\u0107 t\u0119 sk\u0142adni\u0119 w praktyce.<\/span><\/p>\n
 Przyk\u0142ad: Po\u0142\u0105cz wiersze o tych samych warto\u015bciach kolumn w R<\/strong><\/span><\/h2>\n
 Za\u0142\u00f3\u017cmy, \u017ce mamy nast\u0119puj\u0105c\u0105 ramk\u0119 danych zawieraj\u0105c\u0105 informacje o sprzeda\u017cy i zwrotach dokonanych przez r\u00f3\u017cnych pracownik\u00f3w firmy:<\/span><\/p>\n
 #create data frame\n<\/span>df <- data. frame<\/span> (id=c(101, 101, 102, 103, 103, 103),\n                 employee=c('Dan', 'Dan', 'Rick', 'Ken', 'Ken', 'Ken'),\n                 sales=c(4, 1, 3, 2, 5, 3),\n                 returns=c(1, 2, 2, 1, 3, 2))\n\n#view data frame\n<\/span>df\n\n   id employee sales returns\n1 101 Dan 4 1\n2 101 Dan 1 2\n3 102 Rick 3 2\n4 103 Ken 2 1\n5 103 Ken 5 3\n6 103 Ken 3 2<\/strong><\/pre>\n
 Mo\u017cemy u\u017cy\u0107 poni\u017cszej sk\u0142adni, aby po\u0142\u0105czy\u0107 wiersze, kt\u00f3re maj\u0105 t\u0119 sam\u0105 warto\u015b\u0107 w kolumnach id<\/strong> i Employee<\/strong> , a nast\u0119pnie zagregowa\u0107 pozosta\u0142e kolumny:<\/span><\/p>\n
 library<\/span> (dplyr)\n\n#combine rows with same value for id and employee and aggregate remaining columns<\/span>\ndf %>%\n  group_by(id, employee) %>%\n  summarise(across(c(sales, returns), sum))\n\n# A tibble: 3 x 4\n#Groups: id[3]\n     id employee sales returns\n          \n1 101 Dan 5 3\n2 102 Rick 3 2\n3 103 Ken 10 6<\/strong><\/pre>\n
 Rezultatem jest ramka danych, kt\u00f3ra \u0142\u0105czy wszystkie wiersze oryginalnej ramki danych, kt\u00f3re mia\u0142y t\u0119 sam\u0105 warto\u015b\u0107 w kolumnach ID<\/strong> i Pracownik<\/strong> , a nast\u0119pnie oblicza sum\u0119 warto\u015bci w kolumnach Sprzeda\u017c<\/strong> i Zwroty<\/strong> .<\/span><\/p>\n
 Uwaga<\/strong> : zdecydowali\u015bmy si\u0119 na agregacj\u0119 kolumn sprzeda\u017cy i zwrot\u00f3w za pomoc\u0105 funkcji sumy<\/strong> , ale je\u015bli chcesz, mo\u017cesz agregowa\u0107 wed\u0142ug innego wska\u017anika, np. \u015bredniej<\/strong> .<\/span><\/p>\n
 Powi\u0105zane:<\/strong> Jak u\u017cywa\u0107 funkcjicross() w dplyr<\/a><\/span><\/p>\n
 Dodatkowe zasoby<\/strong><\/span><\/h2>\n
 Poni\u017csze samouczki wyja\u015bniaj\u0105, jak wykonywa\u0107 inne typowe zadania w j\u0119zyku R:<\/span><\/p>\n
 Jak \u0142\u0105czy\u0107 listy w R
 Jak po\u0142\u0105czy\u0107 dwa wektory w R<\/a>
 Jak po\u0142\u0105czy\u0107 dwie ramki danych w R z r\u00f3\u017cnymi kolumnami<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
Mo\u017cesz u\u017cy\u0107 nast\u0119puj\u0105cej podstawowej sk\u0142adni, aby po\u0142\u0105czy\u0107 wiersze z tymi samymi warto\u015bciami kolumn w ramce danych w R: library (dplyr) df %>% group_by(group_var1, group_var2) %>% summarise(across(c(values_var1, values_var2), sum)) Poni\u017cszy przyk\u0142ad pokazuje, jak zastosowa\u0107 t\u0119 sk\u0142adni\u0119 w praktyce. Przyk\u0142ad: Po\u0142\u0105cz wiersze o tych samych warto\u015bciach kolumn w R Za\u0142\u00f3\u017cmy, \u017ce mamy nast\u0119puj\u0105c\u0105 ramk\u0119 danych zawieraj\u0105c\u0105 informacje […]<\/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-3551","post","type-post","status-publish","format-standard","hentry","category-przewodnik"],"yoast_head":"\nJak \u0142\u0105czy\u0107 wiersze z tymi samymi warto\u015bciami kolumn w R - Statorials<\/title>\n<meta name=\"description\" content=\"W tym samouczku wyja\u015bniono, jak na przyk\u0142adzie po\u0142\u0105czy\u0107 wiersze z tymi samymi warto\u015bciami kolumn w ramce danych 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\/r-polacz-wiersze-o-tej-samej-wartosci-kolumny\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Jak \u0142\u0105czy\u0107 wiersze z tymi samymi warto\u015bciami kolumn w R - Statorials\" \/>\n<meta property=\"og:description\" content=\"W tym samouczku wyja\u015bniono, jak na przyk\u0142adzie po\u0142\u0105czy\u0107 wiersze z tymi samymi warto\u015bciami kolumn w ramce danych w j\u0119zyku R.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pl\/r-polacz-wiersze-o-tej-samej-wartosci-kolumny\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-16T21:20:55+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\/r-polacz-wiersze-o-tej-samej-wartosci-kolumny\/\",\"url\":\"https:\/\/statorials.org\/pl\/r-polacz-wiersze-o-tej-samej-wartosci-kolumny\/\",\"name\":\"Jak \u0142\u0105czy\u0107 wiersze z tymi samymi warto\u015bciami kolumn w R - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pl\/#website\"},\"datePublished\":\"2023-07-16T21:20:55+00:00\",\"dateModified\":\"2023-07-16T21:20:55+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965\"},\"description\":\"W tym samouczku wyja\u015bniono, jak na przyk\u0142adzie po\u0142\u0105czy\u0107 wiersze z tymi samymi warto\u015bciami kolumn w ramce danych w j\u0119zyku R.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pl\/r-polacz-wiersze-o-tej-samej-wartosci-kolumny\/#breadcrumb\"},\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pl\/r-polacz-wiersze-o-tej-samej-wartosci-kolumny\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pl\/r-polacz-wiersze-o-tej-samej-wartosci-kolumny\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Dom\",\"item\":\"https:\/\/statorials.org\/pl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Jak \u0142\u0105czy\u0107 wiersze z tymi samymi warto\u015bciami kolumn 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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