{"id":1384,"date":"2023-07-26T14:50:54","date_gmt":"2023-07-26T14:50:54","guid":{"rendered":"https:\/\/statorials.org\/tr\/tarih-numarasini-rye-donustur\/"},"modified":"2023-07-26T14:50:54","modified_gmt":"2023-07-26T14:50:54","slug":"tarih-numarasini-rye-donustur","status":"publish","type":"post","link":"https:\/\/statorials.org\/tr\/tarih-numarasini-rye-donustur\/","title":{"rendered":"R'de say\u0131lar tarihlere nas\u0131l d\u00f6n\u00fc\u015ft\u00fcr\u00fcl\u00fcr?"},"content":{"rendered":"

<\/p>\n

\n

\u00c7o\u011fu zaman say\u0131lar\u0131 R’de tarih bi\u00e7imine d\u00f6n\u00fc\u015ft\u00fcrmeniz gerekebilir. Bunu yapman\u0131n en kolay yolu, R’de tarihleri i\u015flemek i\u00e7in \u00e7e\u015fitli yararl\u0131 i\u015flevlere sahip olan lubridate<\/a> paketini kullanmakt\u0131r.<\/span><\/p>\n

Bu e\u011fitimde, bu i\u015flevlerin pratikte nas\u0131l kullan\u0131laca\u011f\u0131na ili\u015fkin birka\u00e7 \u00f6rnek verilmektedir.<\/span><\/p>\n

\u00d6rnek 1: Tam Say\u0131lar\u0131 Tarihlere D\u00f6n\u00fc\u015ft\u00fcrme<\/strong><\/span><\/h3>\n

A\u015fa\u011f\u0131daki kod, bir veri \u00e7er\u00e7evesindeki tamsay\u0131 de\u011ferlerinden olu\u015fan bir s\u00fctunun , ymd()<\/strong> i\u015flevini kullanarak tarih bi\u00e7imine nas\u0131l d\u00f6n\u00fc\u015ft\u00fcr\u00fclece\u011fini g\u00f6sterir:<\/span><\/p>\n

 library<\/span> (lubridate)<\/span>\n<\/span>\n#create data frame<\/span>\ndf <- data.frame(date = c(20201022, 20201023, 20201026, 20201027, 20201028),\n                 sales = c(4, 7, 8, 9, 12))\n\n#convert date column from numeric to year-month-date format\n<\/span>df$date <- ymd<\/span> (df$date)\n\n#view data frame\n<\/span>df\n\n        dirty date\n1 2020-10-22 4\n2 2020-10-23 7\n3 2020-10-26 8\n4 2020-10-27 9\n5 2020-10-28 12\n\n#view class of date column\n<\/span>class<\/span> (df$date)\n\n[1] \u201cDate\u201d\n<\/strong><\/pre>\n
 Lubridate paketinin farkl\u0131 tarih formatlar\u0131n\u0131 i\u015flemek i\u00e7in \u00e7e\u015fitli i\u015flevlere sahip oldu\u011funu unutmay\u0131n.<\/span><\/p>\n
 \u00d6rne\u011fin, a\u015fa\u011f\u0131da bir veri \u00e7er\u00e7evesindeki tamsay\u0131 de\u011ferlerinden olu\u015fan bir s\u00fctunun ydm()<\/strong> i\u015flevini kullanarak tarih bi\u00e7imine nas\u0131l d\u00f6n\u00fc\u015ft\u00fcr\u00fclece\u011fi g\u00f6sterilmektedir:<\/span><\/p>\n
 library<\/span> (lubridate)<\/span>\n<\/span>\n#create data frame<\/span>\ndf <- data.frame(date = c(20202210, 20202310, 20202610, 20202710, 20202810),\n                 sales = c(4, 7, 8, 9, 12))\n\n#convert date column from numeric to year-month-date format\n<\/span>df$date <- ydm<\/span> (df$date)\n\n#view data frame\n<\/span>df\n\n        dirty date\n1 2020-10-22 4\n2 2020-10-23 7\n3 2020-10-26 8\n4 2020-10-27 9\n5 2020-10-28 12\n\n#view class of date column\n<\/span>class<\/span> (df$date)\n\n[1] \u201cDate\u201d<\/strong><\/pre>\n
 \u00d6rnek 2: Aylar\u0131 ve y\u0131llar\u0131 tarihlere d\u00f6n\u00fc\u015ft\u00fcrme<\/strong><\/span><\/h3>\n
 A\u015fa\u011f\u0131daki kod, 1 Ocak 2010’dan itibaren ay say\u0131s\u0131n\u0131 temsil eden say\u0131sal de\u011ferlerden olu\u015fan bir s\u00fctunun , ay()<\/strong> i\u015flevini kullanarak tarih bi\u00e7imine nas\u0131l d\u00f6n\u00fc\u015ft\u00fcr\u00fclece\u011fini g\u00f6sterir:<\/span><\/p>\n
 library<\/span> (lubridate)<\/span>\n<\/span>\n#create data frame<\/span>\ndf <- data.frame(date = c(11, 15, 18, 22, 24),\n                 sales = c(4, 7, 8, 9, 12))\n\n#convert date column from numeric to year-month-date format\n<\/span>df$date <- as. Date<\/span> (' 2010-01-01<\/span> ') + months<\/span> (df$date)\n\n#view data frame\n<\/span>df\n\n        dirty date\n1 2010-12-01 4\n2 2011-04-01 7\n3 2011-07-01 8\n4 2011-11-01 9\n5 2012-01-01 12\n\n#view class of date column\n<\/span>class<\/span> (df$date)\n\n[1] \u201cDate\u201d<\/strong><\/pre>\n
 A\u015fa\u011f\u0131daki kod, Years()<\/strong> i\u015flevini kullanarak 1 Ocak 2010’dan itibaren y\u0131l say\u0131s\u0131n\u0131 temsil eden say\u0131sal de\u011ferlerden olu\u015fan bir s\u00fctunun tarih bi\u00e7imine nas\u0131l d\u00f6n\u00fc\u015ft\u00fcr\u00fclece\u011fini g\u00f6sterir:<\/span><\/p>\n
 library<\/span> (lubridate)<\/span>\n<\/span>\n#create data frame<\/span>\ndf <- data.frame(date = c(11, 15, 18, 22, 24),\n                 sales = c(4, 7, 8, 9, 12))\n\n#convert date column from numeric to year-month-date format\n<\/span>df$date <- as. Date<\/span> (' 2010-01-01<\/span> ') + years<\/span> (df$date)\n\n#view data frame\n<\/span>df\n\n        dirty dates\n1 2021-01-01 4\n2 2025-01-01 7\n3 2028-01-01 8\n4 2032-01-01 9\n5 2034-01-01 12\n\n#view class of date column\n<\/span>class<\/span> (df$date)\n\n[1] \u201cDate\u201d<\/strong><\/pre>\n
\u00c7o\u011fu zaman say\u0131lar\u0131 R’de tarih bi\u00e7imine d\u00f6n\u00fc\u015ft\u00fcrmeniz gerekebilir. Bunu yapman\u0131n en kolay yolu, R’de tarihleri i\u015flemek i\u00e7in \u00e7e\u015fitli yararl\u0131 i\u015flevlere sahip olan lubridate paketini kullanmakt\u0131r. Bu e\u011fitimde, bu i\u015flevlerin pratikte nas\u0131l kullan\u0131laca\u011f\u0131na ili\u015fkin birka\u00e7 \u00f6rnek verilmektedir. \u00d6rnek 1: Tam Say\u0131lar\u0131 Tarihlere D\u00f6n\u00fc\u015ft\u00fcrme A\u015fa\u011f\u0131daki kod, bir veri \u00e7er\u00e7evesindeki tamsay\u0131 de\u011ferlerinden olu\u015fan bir s\u00fctunun , ymd() i\u015flevini […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-1384","post","type-post","status-publish","format-standard","hentry","category-rehber"],"yoast_head":"\nR - Statorials'da say\u0131lar tarihlere nas\u0131l d\u00f6n\u00fc\u015ft\u00fcr\u00fcl\u00fcr?<\/title>\n<meta name=\"description\" content=\"Bu e\u011fitimde R'de say\u0131lar\u0131n tarihlere nas\u0131l d\u00f6n\u00fc\u015ft\u00fcr\u00fclece\u011fi birka\u00e7 \u00f6rnekle a\u00e7\u0131klanmaktad\u0131r.\" \/>\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\/tr\/tarih-numarasini-rye-donustur\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"R - 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 Bonus:<\/strong> Lubridate paketinde mevcut olan \u00f6zellikleri daha iyi anlamak i\u00e7in bu k\u0131sa notlara<\/a> bak\u0131n.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"