<\/p>\n
R’de bir saatten belirli say\u0131da saati \u00e7\u0131karmak i\u00e7in a\u015fa\u011f\u0131daki y\u00f6ntemlerden herhangi birini kullanabilirsiniz:<\/span><\/p>\n Y\u00f6ntem 1: Temel R’yi Kullan<\/strong><\/span><\/p>\n Y\u00f6ntem 2: Lubridate paketini kullan\u0131n<\/strong><\/span><\/p>\n A\u015fa\u011f\u0131daki \u00f6rnekler, her y\u00f6ntemin a\u015fa\u011f\u0131daki veri \u00e7er\u00e7evesiyle nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 g\u00f6sterir:<\/span><\/p>\n Not<\/strong> : Bir tarihe saat eklemek i\u00e7in yukar\u0131daki form\u00fcllerden birinde \u00e7\u0131karma i\u015faretini toplama i\u015faretiyle de\u011fi\u015ftirmeniz yeterlidir.<\/span><\/p>\n A\u015fa\u011f\u0131daki kod, zaman<\/strong> s\u00fctunundaki her de\u011ferden d\u00f6rt kez \u00e7\u0131karma yapan subtract4<\/b> adl\u0131 yeni bir s\u00fctunun nas\u0131l olu\u015fturulaca\u011f\u0131n\u0131 g\u00f6sterir:<\/span><\/p>\n Yeni subtract4<\/b> s\u00fctunundaki de\u011ferlerin, d\u00f6rt saat \u00e7\u0131kar\u0131lm\u0131\u015f zaman<\/b> s\u00fctunundaki de\u011ferlere e\u015fit oldu\u011funu unutmay\u0131n.<\/span><\/p>\n Not<\/strong> : R’de zaman de\u011ferleri saniye olarak sakland\u0131\u011f\u0131 i\u00e7in form\u00fclde (4*3600) kullan\u0131yoruz. Saatte 3600 saniye oldu\u011fundan 4 saat \u00e7\u0131karmak i\u00e7in 4’\u00fc 3600 ile \u00e7arpmam\u0131z gerekiyor.<\/span><\/span><\/p>\n A\u015fa\u011f\u0131daki kod, zaman<\/strong> s\u00fctunundaki her de\u011ferden d\u00f6rt saat \u00e7\u0131karan subtract4<\/b> adl\u0131 yeni bir s\u00fctun olu\u015fturmak i\u00e7in lubridate<\/a> paketinin hour()<\/strong> i\u015flevinin nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 g\u00f6sterir:<\/span><\/p>\n Yeni subtract4<\/b> s\u00fctunundaki de\u011ferlerin, d\u00f6rt saat \u00e7\u0131kar\u0131lm\u0131\u015f zaman<\/b> s\u00fctunundaki de\u011ferlere e\u015fit oldu\u011funu unutmay\u0131n.<\/span><\/p>\n Bu y\u00f6ntemin temel R y\u00f6ntemiyle ayn\u0131 sonu\u00e7lar\u0131 \u00fcretti\u011fini unutmay\u0131n.<\/span><\/span><\/p>\n A\u015fa\u011f\u0131daki e\u011fitimlerde R’de di\u011fer ortak g\u00f6revlerin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fi a\u00e7\u0131klanmaktad\u0131r:<\/span><\/p>\n R’de bir tarihin say\u0131sala d\u00f6n\u00fc\u015ft\u00fcr\u00fclmesi<\/a> R’de bir saatten belirli say\u0131da saati \u00e7\u0131karmak i\u00e7in a\u015fa\u011f\u0131daki y\u00f6ntemlerden herhangi birini kullanabilirsiniz: Y\u00f6ntem 1: Temel R’yi Kullan #create new column that subtracts 4 hours from time df$subtract4 <- df$time – ( 4 * 3600 ) Y\u00f6ntem 2: Lubridate paketini kullan\u0131n library (lubridate) #create new column that subtracts 4 hours from time df$subtract4 <- df$time […]<\/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-3930","post","type-post","status-publish","format-standard","hentry","category-rehber"],"yoast_head":"\n #create new column that subtracts 4 hours from time\n<\/span>df$subtract4 <- df$time - ( 4<\/span> * 3600<\/span> )\n<\/strong><\/pre>\n library<\/span> (lubridate)\n\n#create new column that subtracts 4 hours from time\n<\/span>df$subtract4 <- df$time - hours( 4<\/span> )\n<\/strong><\/pre>\n #create data frame\n<\/span>df <- data. frame<\/span> (time=as. POSIXct<\/span> (c('2022-01-03 08:04:15', '2022-01-05 14:04:15',\n '2022-01-05 20:03:53', '2022-01-06 03:29:13',\n '2022-01-06 06:15:00', '2022-01-07 10:48:11'),\n format='%Y-%m-%d %H:%M:%OS'),\n sales=c(130, 98, 240, 244, 174, 193))\n\n#view data frame\n<\/span>df\n\n time sales\n1 2022-01-03 08:04:15 130\n2 2022-01-05 14:04:15 98\n3 2022-01-05 20:03:53 240\n4 2022-01-06 03:29:13 244\n5 2022-01-06 06:15:00 174\n6 2022-01-07 10:48:11 193\n<\/strong><\/pre>\n \u00d6rnek 1: R Taban\u0131n\u0131 Kullanarak Zamandan Saat \u00c7\u0131karma<\/strong><\/span><\/h2>\n
#create new column that subtracts 4 hours from time<\/span>\ndf$subtract4 <- df$time - ( 4<\/span> * 3600<\/span> )\n\n#view updated data frame\n<\/span>df\n\n time sales subtract4\n1 2022-01-03 08:04:15 130 2022-01-03 04:04:15\n2 2022-01-05 14:04:15 98 2022-01-05 10:04:15\n3 2022-01-05 20:03:53 240 2022-01-05 16:03:53\n4 2022-01-06 03:29:13 244 2022-01-05 23:29:13\n5 2022-01-06 06:15:00 174 2022-01-06 02:15:00\n6 2022-01-07 10:48:11 193 2022-01-07 06:48:11<\/span><\/span><\/strong><\/pre>\n \u00d6rnek 2: Lubridate paketini kullanarak saatleri zamandan \u00e7\u0131kar\u0131n<\/strong><\/span><\/h2>\n
library<\/span> (lubridate)<\/span>\n\n#create new column that subtracts 4 hours from time\n<\/span>df$subtract4 <- df$time - hours( 4<\/span> )\n\n#view updated data frame\n<\/span>df\n\n time sales subtract4\n1 2022-01-03 08:04:15 130 2022-01-03 04:04:15\n2 2022-01-05 14:04:15 98 2022-01-05 10:04:15\n3 2022-01-05 20:03:53 240 2022-01-05 16:03:53\n4 2022-01-06 03:29:13 244 2022-01-05 23:29:13\n5 2022-01-06 06:15:00 174 2022-01-06 02:15:00\n6 2022-01-07 10:48:11 193 2022-01-07 06:48:11<\/span><\/span><\/strong><\/pre>\n Ek kaynaklar<\/strong><\/span><\/h2>\n
R’deki tarihten ay nas\u0131l \u00e7\u0131kar\u0131l\u0131r<\/a>
R’de bir tarihe aylar nas\u0131l eklenir ve \u00e7\u0131kar\u0131l\u0131r?<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"