{"id":1078,"date":"2023-07-27T17:53:44","date_gmt":"2023-07-27T17:53:44","guid":{"rendered":"https:\/\/statorials.org\/pl\/przelaczyc-dwie-kolumny-w-r\/"},"modified":"2023-07-27T17:53:44","modified_gmt":"2023-07-27T17:53:44","slug":"przelaczyc-dwie-kolumny-w-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/pl\/przelaczyc-dwie-kolumny-w-r\/","title":{"rendered":"Jak zmieni\u0107 dwie kolumny w r: z przyk\u0142adami"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Czasami mo\u017cesz chcie\u0107 zmieni\u0107 po\u0142o\u017cenie dw\u00f3ch kolumn w ramce danych R. Na szcz\u0119\u015bcie mo\u017cna to \u0142atwo zrobi\u0107, korzystaj\u0105c z jednego z dw\u00f3ch poni\u017cszych fragment\u00f3w kodu:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Opcja 1: U\u017cyj sk\u0142adni kolumn.<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#define order of data frame columns<\/span>\ndf &lt;- df[c(\"col1\", \"col2\", \"col3\", \"col4\")]\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>Opcja 2: U\u017cyj sk\u0142adni wierszy i kolumn.<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#define order of data frame columns<\/span>\ndf &lt;- df[, c(\"col1\", \"col2\", \"col3\", \"col4\")]<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Poni\u017csze przyk\u0142ady ilustruj\u0105, jak w praktyce wykorzysta\u0107 te dwa fragmenty kodu.<\/span><\/p>\n<h3> <strong><span style=\"color: #000000;\">Przyk\u0142ad 1: Zmie\u0144 dwie kolumny, u\u017cywaj\u0105c sk\u0142adni kolumn<\/span><\/strong><\/h3>\n<p> <span style=\"color: #000000;\">Poni\u017cszy kod pokazuje, jak utworzy\u0107 ramk\u0119 danych z czterema kolumnami, a nast\u0119pnie odwr\u00f3ci\u0107 po\u0142o\u017cenie pierwszej i trzeciej kolumny:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create data frame<\/span>\ndf &lt;- data.frame(col1=c(1, 2, 6, 3, 6, 6),\n                 col2=c(4, 4, 5, 4, 3, 2),\n                 col3=c(7, 7, 8, 7, 3, 3),\n                 col4=c(9, 9, 9, 5, 5, 3))\n\n<span style=\"color: #008080;\">#view data frame\n<\/span>df\n\n  col1 col2 col3 col4\n1 1 4 7 9\n2 2 4 7 9\n3 6 5 8 9\n4 3 4 7 5\n5 6 3 3 5\n6 6 2 3 3\n\n<span style=\"color: #008080;\">#switch positions of first and third column\n<\/span>df &lt;- df[c(\"col3\", \"col2\", \"col1\", \"col4\")]\n\n<span style=\"color: #008080;\">#view new data frame\n<\/span>df\n\n  col3 col2 col1 col4\n1 7 4 1 9\n2 7 4 2 9\n3 8 5 6 9\n4 7 4 3 5\n5 3 3 6 5\n6 3 2 6 3\n<\/strong><\/pre>\n<h3> <strong><span style=\"color: #000000;\">Przyk\u0142ad 2: Zmie\u0144 dwie kolumny, u\u017cywaj\u0105c sk\u0142adni wierszy i kolumn<\/span><\/strong><\/h3>\n<p> <span style=\"color: #000000;\">Poni\u017cszy kod pokazuje, jak utworzy\u0107 ramk\u0119 danych z czterema kolumnami, a nast\u0119pnie odwr\u00f3ci\u0107 po\u0142o\u017cenie pierwszej i trzeciej kolumny:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create data frame<\/span>\ndf &lt;- data.frame(col1=c(1, 2, 6, 3, 6, 6),\n                 col2=c(4, 4, 5, 4, 3, 2),\n                 col3=c(7, 7, 8, 7, 3, 3),\n                 col4=c(9, 9, 9, 5, 5, 3))\n\n<span style=\"color: #008080;\">#view data frame\n<\/span>df\n\n  col1 col2 col3 col4\n1 1 4 7 9\n2 2 4 7 9\n3 6 5 8 9\n4 3 4 7 5\n5 6 3 3 5\n6 6 2 3 3\n\n<span style=\"color: #008080;\">#switch positions of first and third column\n<\/span>df &lt;- df[, c(\"col3\", \"col2\", \"col1\", \"col4\")]\n\n<span style=\"color: #008080;\">#view new data frame\n<\/span>df\n\n  col3 col2 col1 col4\n1 7 4 1 9\n2 7 4 2 9\n3 8 5 6 9\n4 7 4 3 5\n5 3 3 6 5\n6 3 2 6 3<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Nale\u017cy pami\u0119ta\u0107, \u017ce obie metody prowadz\u0105 do tych samych wynik\u00f3w.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Dodatkowe zasoby<\/strong><\/span><\/h3>\n<p> <a href=\"https:\/\/statorials.org\/pl\/dodaj-okreslone-kolumny-w-r\/\" target=\"_blank\" rel=\"noopener noreferrer\">Jak sumowa\u0107 okre\u015blone kolumny w R<\/a><br \/> <a href=\"https:\/\/statorials.org\/pl\/srednia-w-kolumnach-w-r\/\">Jak u\u015brednia\u0107 kolumny w R<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Czasami mo\u017cesz chcie\u0107 zmieni\u0107 po\u0142o\u017cenie dw\u00f3ch kolumn w ramce danych R. Na szcz\u0119\u015bcie mo\u017cna to \u0142atwo zrobi\u0107, korzystaj\u0105c z jednego z dw\u00f3ch poni\u017cszych fragment\u00f3w kodu: Opcja 1: U\u017cyj sk\u0142adni kolumn. #define order of data frame columns df &lt;- df[c(&#8222;col1&#8221;, &#8222;col2&#8221;, &#8222;col3&#8221;, &#8222;col4&#8221;)] Opcja 2: U\u017cyj sk\u0142adni wierszy i kolumn. #define order of data frame columns [&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-1078","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 dwie kolumny w R: z przyk\u0142adami<\/title>\n<meta name=\"description\" content=\"Proste wyja\u015bnienie, jak zmieni\u0107 dwie kolumny w R, w tym kilka przyk\u0142ad\u00f3w.\" \/>\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\/przelaczyc-dwie-kolumny-w-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 dwie kolumny w R: z przyk\u0142adami\" \/>\n<meta property=\"og:description\" content=\"Proste wyja\u015bnienie, jak zmieni\u0107 dwie kolumny w R, w tym kilka przyk\u0142ad\u00f3w.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pl\/przelaczyc-dwie-kolumny-w-r\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-27T17:53:44+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=\"1 minuta\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/pl\/przelaczyc-dwie-kolumny-w-r\/\",\"url\":\"https:\/\/statorials.org\/pl\/przelaczyc-dwie-kolumny-w-r\/\",\"name\":\"Jak zmieni\u0107 dwie kolumny w R: z przyk\u0142adami\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pl\/#website\"},\"datePublished\":\"2023-07-27T17:53:44+00:00\",\"dateModified\":\"2023-07-27T17:53:44+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965\"},\"description\":\"Proste wyja\u015bnienie, jak zmieni\u0107 dwie kolumny w R, w tym kilka przyk\u0142ad\u00f3w.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pl\/przelaczyc-dwie-kolumny-w-r\/#breadcrumb\"},\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pl\/przelaczyc-dwie-kolumny-w-r\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pl\/przelaczyc-dwie-kolumny-w-r\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Dom\",\"item\":\"https:\/\/statorials.org\/pl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Jak zmieni\u0107 dwie kolumny w r: z przyk\u0142adami\"}]},{\"@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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