{"id":944,"date":"2023-07-28T05:40:01","date_gmt":"2023-07-28T05:40:01","guid":{"rendered":"https:\/\/statorials.org\/pl\/zmien-kolejnosc-kolumn-r\/"},"modified":"2023-07-28T05:40:01","modified_gmt":"2023-07-28T05:40:01","slug":"zmien-kolejnosc-kolumn-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/pl\/zmien-kolejnosc-kolumn-r\/","title":{"rendered":"Jak zmieni\u0107 uk\u0142ad kolumn w r"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Cz\u0119sto mo\u017cesz chcie\u0107 zmieni\u0107 uk\u0142ad kolumn w ramce danych w R.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Na szcz\u0119\u015bcie mo\u017cna to \u0142atwo zrobi\u0107 za pomoc\u0105 <a href=\"https:\/\/dplyr.tidyverse.org\/reference\/select.html\" target=\"_blank\" rel=\"noopener noreferrer\">funkcjiselect()<\/a> z pakietu <a href=\"https:\/\/dplyr.tidyverse.org\/\" target=\"_blank\" rel=\"noopener noreferrer\">dplyr<\/a> .<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">library<\/span> (dplyr)<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">W tym samouczku przedstawiono kilka przyk\u0142ad\u00f3w praktycznego wykorzystania tej funkcji przy u\u017cyciu nast\u0119puj\u0105cej ramki 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(player = c('a', 'b', 'c', 'd', 'e'),\n                 position = c('G', 'F', 'F', 'G', 'G'),\n                 points = c(12, 15, 19, 22, 32),\n                 rebounds = c(5, 7, 7, 12, 11))\n\n<span style=\"color: #008080;\">#view data frame\n<\/span>df\n\n  player position points rebounds\n1 to G 12 5\n2 b F 15 7\n3 c F 19 7\n4 d G 22 12\n5th G 32 11<\/strong><\/pre>\n<h2> <strong>Przyk\u0142ad 1: Przesu\u0144 kolumn\u0119 na pierwsz\u0105 pozycj\u0119<\/strong><\/h2>\n<p> <span style=\"color: #000000;\">Poni\u017cszy kod pokazuje, jak przenie\u015b\u0107 okre\u015blon\u0105 kolumn\u0119 w ramce danych na pierwsz\u0105 pozycj\u0119:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#move column 'points' to first position<\/span>\ndf %&gt;% select(points, <span style=\"color: #3366ff;\">everything()<\/span> )\n\n  points player position rebounds\n1 12 a G 5\n2 15 b F 7\n3 19 c F 7\n4 22 d G 12\n5 32nd G 11\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Ten kod m\u00f3wi dplyr, aby najpierw wybra\u0142 kolumn\u0119 punkt\u00f3w, a nast\u0119pnie do\u0142\u0105czy\u0142 wszystkie pozosta\u0142e kolumny po punktach.<\/span><\/p>\n<h2> <strong>Przyk\u0142ad 2: Przesu\u0144 kolumn\u0119 na ostatni\u0105 pozycj\u0119<\/strong><\/h2>\n<p> <span style=\"color: #000000;\">Poni\u017cszy kod pokazuje, jak przenie\u015b\u0107 okre\u015blon\u0105 kolumn\u0119 w ramce danych na ostatni\u0105 pozycj\u0119:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#move column 'points' to last position<\/span>\ndf %&gt;% select(-points, points)\n\n  player position rebounds points\n1 to G 5 12\n2 b F 7 15\n3c F 7 19\n4 d G 12 22\n5th G 11 32<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Ten kod m\u00f3wi dplyr, aby wybra\u0142 wszystkie kolumny <em>z wyj\u0105tkiem<\/em> kolumny punktowej, a nast\u0119pnie ponownie wybra\u0142 kolumn\u0119 punktow\u0105. Powoduje to przeniesienie kolumny punkt\u00f3w na ostatni\u0105 pozycj\u0119 w ramce danych.<\/span><\/p>\n<h2> <strong>Przyk\u0142ad 3: Zmie\u0144 uk\u0142ad wielu kolumn<\/strong><\/h2>\n<p> <span style=\"color: #000000;\">Poni\u017cszy kod pokazuje, jak zmieni\u0107 uk\u0142ad wielu kolumn jednocze\u015bnie w okre\u015blonej kolejno\u015bci:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#change all column names to uppercase<\/span>\ndf %&gt;% select(rebounds, position, points, player)\n\n  rebounds position points player\n1 5 G 12 a\n2 7 F 15 b\n3 7 F 19 c\n4 12 G 22 d\n5 11 G 32 e\n<\/strong><\/pre>\n<h2> <strong>Przyk\u0142ad 4: Zmie\u0144 kolejno\u015b\u0107 kolumn alfabetycznie<\/strong><\/h2>\n<p> <span style=\"color: #000000;\">Poni\u017cszy kod pokazuje, jak sortowa\u0107 kolumny alfabetycznie:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#order columns alphabetically<\/span>\ndf %&gt;% select(order(colnames(.)))\n\n  player points position rebounds\n1 to 12 G 5\n2 b 15 F 7\n3 c 19 F 7\n4 d 22 G 12\n5 th 32 G 11<\/strong><\/pre>\n<h2> <strong>Przyk\u0142ad 5: Odwrotna kolejno\u015b\u0107 kolumn<\/strong><\/h2>\n<p> <span style=\"color: #000000;\">Poni\u017cszy kod pokazuje, jak odwr\u00f3ci\u0107 kolejno\u015b\u0107 kolumn w ramce danych:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#reverse column order<\/span>\ndf %&gt;% select(rebounds:player, <span style=\"color: #3366ff;\">everything()<\/span> )\n\n  rebound points position player\n1 5 12 G a\n2 7 15 F b\n3 7 19 F c\n4 12 22 L d\n5 11 32 G e<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>Uwaga<\/strong> : Pe\u0142n\u0105 dokumentacj\u0119 funkcji <strong>Select()<\/strong> mo\u017cna znale\u017a\u0107<\/span> <a href=\"https:\/\/dplyr.tidyverse.org\/reference\/select.html\" target=\"_blank\" rel=\"noopener noreferrer\">tutaj<\/a> <span style=\"color: #000000;\">.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Dodatkowe zasoby<\/strong><\/span><\/h3>\n<p> Poni\u017csze samouczki wyja\u015bniaj\u0105, jak wykonywa\u0107 inne typowe operacje w dplyr:<\/p>\n<p> <a href=\"https:\/\/statorials.org\/pl\/dplyr-wybierz-kolumny-wed\u0142ug-indeksu\/\" target=\"_blank\" rel=\"noopener\">Jak wybra\u0107 kolumny wed\u0142ug indeksu za pomoc\u0105 dplyr<\/a><br \/> <a href=\"https:\/\/statorials.org\/pl\/dplyr-wybierz-kolumny-wed\u0142ug-nazwy\/\" target=\"_blank\" rel=\"noopener\">Jak wybra\u0107 kolumny wed\u0142ug nazwy za pomoc\u0105 dplyr<\/a><br \/> <a href=\"https:\/\/statorials.org\/pl\/dplyr-dodaj-kolumne\/\" target=\"_blank\" rel=\"noopener\">Jak doda\u0107 kolumny do ramki danych za pomoc\u0105 dplyr<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cz\u0119sto mo\u017cesz chcie\u0107 zmieni\u0107 uk\u0142ad kolumn w ramce danych w R. Na szcz\u0119\u015bcie mo\u017cna to \u0142atwo zrobi\u0107 za pomoc\u0105 funkcjiselect() z pakietu dplyr . library (dplyr) W tym samouczku przedstawiono kilka przyk\u0142ad\u00f3w praktycznego wykorzystania tej funkcji przy u\u017cyciu nast\u0119puj\u0105cej ramki danych: #create data frame df &lt;- data.frame(player = c(&#8217;a&#8217;, 'b&#8217;, 'c&#8217;, 'd&#8217;, 'e&#8217;), position = [&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-944","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 zmieni\u0107 uk\u0142ad kolumn w R - Statology<\/title>\n<meta name=\"description\" content=\"Proste wyja\u015bnienie, jak zmieni\u0107 uk\u0142ad kolumn w ramce danych w R, \u0142\u0105cznie z kilkoma przyk\u0142adami.\" \/>\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\/zmien-kolejnosc-kolumn-r\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Jak zmieni\u0107 uk\u0142ad kolumn w R - Statology\" \/>\n<meta property=\"og:description\" content=\"Proste wyja\u015bnienie, jak zmieni\u0107 uk\u0142ad kolumn w ramce danych w R, \u0142\u0105cznie z kilkoma przyk\u0142adami.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pl\/zmien-kolejnosc-kolumn-r\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-28T05:40:01+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\/zmien-kolejnosc-kolumn-r\/\",\"url\":\"https:\/\/statorials.org\/pl\/zmien-kolejnosc-kolumn-r\/\",\"name\":\"Jak zmieni\u0107 uk\u0142ad kolumn w R - Statology\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pl\/#website\"},\"datePublished\":\"2023-07-28T05:40:01+00:00\",\"dateModified\":\"2023-07-28T05:40:01+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965\"},\"description\":\"Proste wyja\u015bnienie, jak zmieni\u0107 uk\u0142ad kolumn w ramce danych w R, \u0142\u0105cznie z kilkoma przyk\u0142adami.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pl\/zmien-kolejnosc-kolumn-r\/#breadcrumb\"},\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pl\/zmien-kolejnosc-kolumn-r\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pl\/zmien-kolejnosc-kolumn-r\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Dom\",\"item\":\"https:\/\/statorials.org\/pl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Jak zmieni\u0107 uk\u0142ad 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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