{"id":2331,"date":"2023-07-22T17:53:51","date_gmt":"2023-07-22T17:53:51","guid":{"rendered":"https:\/\/statorials.org\/pl\/r-format-daty\/"},"modified":"2023-07-22T17:53:51","modified_gmt":"2023-07-22T17:53:51","slug":"r-format-daty","status":"publish","type":"post","link":"https:\/\/statorials.org\/pl\/r-format-daty\/","title":{"rendered":"Kompletny przewodnik po formatach dat w r"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">W poni\u017cszej tabeli przedstawiono r\u00f3\u017cne symbole, kt\u00f3rych mo\u017cna u\u017cy\u0107 do formatowania dat w j\u0119zyku R:<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<th style=\"text-align: center;\"> <span style=\"color: #000000;\"><strong>Symbol<\/strong><\/span><\/th>\n<th style=\"text-align: center;\"> <span style=\"color: #000000;\"><strong>Definicja<\/strong><\/span><\/th>\n<th style=\"text-align: center;\"> <span style=\"color: #000000;\"><strong>Przyk\u0142ad<\/strong><\/span><\/th>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\"><strong>%D<\/strong><\/span><\/td>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\">Dzie\u0144 jako liczba<\/span><\/td>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\">19<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\"><strong>%MA<\/strong><\/span><\/td>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\">Skr\u00f3cony weekend<\/span><\/td>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\">S\u0142o\u0144ce<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\"><b>%MA<\/b><\/span><\/td>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\">Nieskr\u0119powany weekend<\/span><\/td>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\">Niedziela<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\"><strong>%M<\/strong><\/span><\/td>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\">Miesi\u0105c jako liczba<\/span><\/td>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\">04<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\"><strong>%B<\/strong><\/span><\/td>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\">Skr\u00f3cony miesi\u0105c<\/span><\/td>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\">luty<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\"><strong>%B<\/strong><\/span><\/td>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\">Nieskr\u00f3cony miesi\u0105c<\/span><\/td>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\">LUTY<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\"><strong>%y<\/strong><\/span><\/td>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\">2-cyfrowy rok<\/span><\/td>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\">14<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\"><strong>%Y<\/strong><\/span><\/td>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\">Rok 4-cyfrowy<\/span><\/td>\n<td style=\"text-align: center;\"> <span style=\"color: #000000;\">2014<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p> <span style=\"color: #000000;\">Poni\u017csze przyk\u0142ady pokazuj\u0105, jak w praktyce wykorzysta\u0107 ka\u017cdy z tych format\u00f3w.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Przyk\u0142ad 1: Sformatuj dat\u0119 za pomoc\u0105 dnia, miesi\u0105ca i roku<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Poni\u017cszy kod pokazuje, jak sformatowa\u0107 dat\u0119 w formacie miesi\u0105c\/dzie\u0144\/rok:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#define date\n<\/span>date &lt;- as. <span style=\"color: #3366ff;\">Date<\/span> (\" <span style=\"color: #ff0000;\">2021-01-25<\/span> \")\n\n<span style=\"color: #008080;\">#date format\n<\/span>formatted_date &lt;- format(date, format=\" <span style=\"color: #ff0000;\">%m\/%d\/%y<\/span> \")\n\n<span style=\"color: #008080;\">#display formatted date\n<\/span>formatted_date\n\n[1] \"01\/25\/21\"<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Zauwa\u017c, \u017ce pomi\u0119dzy ka\u017cd\u0105 warto\u015bci\u0105 mo\u017cemy u\u017cy\u0107 dowolnych separator\u00f3w.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Zamiast tego mo\u017cemy na przyk\u0142ad u\u017cy\u0107 \u0142\u0105cznik\u00f3w:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#define date\n<\/span>date &lt;- as. <span style=\"color: #3366ff;\">Date<\/span> (\" <span style=\"color: #ff0000;\">2021-01-25<\/span> \")\n\n<span style=\"color: #008080;\">#date format\n<\/span>formatted_date &lt;- format(date, format=\" <span style=\"color: #ff0000;\">%m-%d-%y<\/span> \")\n\n<span style=\"color: #008080;\">#display formatted date\n<\/span>formatted_date\n\n[1] \"01-25-21\"<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Przyk\u0142ad 2: Sformatuj dat\u0119 jako dzie\u0144 tygodnia<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Poni\u017cszy kod pokazuje, jak sformatowa\u0107 dat\u0119 przy u\u017cyciu formatu dnia tygodnia:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#define date\n<\/span>date &lt;- as. <span style=\"color: #3366ff;\">Date<\/span> (\" <span style=\"color: #ff0000;\">2021-01-25<\/span> \")\n\n<span style=\"color: #008080;\">#format date as abbreviated weekday\n<\/span>format(date, format=\" <span style=\"color: #ff0000;\">%a<\/span> \")\n\n[1] \u201cMy\u201d\n\n<span style=\"color: #008080;\">#format date as unabbreviated weekday\n<\/span>format(date, format=\" <span style=\"color: #ff0000;\">%A<\/span> \")\n\n[1] \u201cMonday\u201d\n<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Przyk\u0142ad 3: Formatuj dat\u0119 w miesi\u0105cach<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Poni\u017cszy kod pokazuje, jak sformatowa\u0107 dat\u0119 jako miesi\u0105c:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#define date\n<\/span>date &lt;- as. <span style=\"color: #3366ff;\">Date<\/span> (\" <span style=\"color: #ff0000;\">2021-01-25<\/span> \")\n\n<span style=\"color: #008080;\">#format date as abbreviated month\n<\/span>format(date, format=\" <span style=\"color: #ff0000;\">%b<\/span> \")\n\n[1] \u201cJan\u201d\n\n<span style=\"color: #008080;\">#format date as unabbreviated month\n<\/span>format(date, format=\" <span style=\"color: #ff0000;\">%B<\/span> \")\n\n[1] \u201cJanuary\u201d<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Mo\u017cemy r\u00f3wnie\u017c sformatowa\u0107 dat\u0119 w miesi\u0105cu i dniu:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#define date\n<\/span>date &lt;- as. <span style=\"color: #3366ff;\">Date<\/span> (\" <span style=\"color: #ff0000;\">2021-01-25<\/span> \")\n\n<span style=\"color: #008080;\">#format date as abbreviated month\n<\/span>format(date, format=\" <span style=\"color: #ff0000;\">%b %d<\/span> \")\n\n[1] \u201cJan 25\u201d<\/strong><\/pre>\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 wykonywa\u0107 inne typowe operacje na datach w R:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/pl\/sortuj-wed\u0142ug-daty-w-r\/\" target=\"_blank\" rel=\"noopener\">Jak posortowa\u0107 ramk\u0119 danych wed\u0142ug daty w R<\/a><br \/> <a href=\"https:\/\/statorials.org\/pl\/podzbior-wed\u0142ug-zakresu-dat-w-r\/\" target=\"_blank\" rel=\"noopener\">Jak poddefiniowa\u0107 wed\u0142ug zakresu dat w R<\/a><br \/> <a href=\"https:\/\/statorials.org\/pl\/konwertuj-ciagi-znakow-na-daty-w-r\/\" target=\"_blank\" rel=\"noopener\">Jak przekonwertowa\u0107 ci\u0105gi znak\u00f3w na daty w R<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>W poni\u017cszej tabeli przedstawiono r\u00f3\u017cne symbole, kt\u00f3rych mo\u017cna u\u017cy\u0107 do formatowania dat w j\u0119zyku R: Symbol Definicja Przyk\u0142ad %D Dzie\u0144 jako liczba 19 %MA Skr\u00f3cony weekend S\u0142o\u0144ce %MA Nieskr\u0119powany weekend Niedziela %M Miesi\u0105c jako liczba 04 %B Skr\u00f3cony miesi\u0105c luty %B Nieskr\u00f3cony miesi\u0105c LUTY %y 2-cyfrowy rok 14 %Y Rok 4-cyfrowy 2014 Poni\u017csze przyk\u0142ady pokazuj\u0105, [&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-2331","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>Kompletny przewodnik po formatach dat w R - Statology<\/title>\n<meta name=\"description\" content=\"Ten samouczek zawiera kompletny przewodnik po formatowaniu dat w j\u0119zyku R, zawieraj\u0105cy 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\/r-format-daty\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" 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