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我需要从日期时间字段创建日期列和时间列。日期/时间分隔
数据的结构:
Date.Time: POSIXct, format: "2017-04-01 05:17:02" "2017-04-01 05:18:20" "2017-04-01 05:25:24" "2017-04-01 05:31:46" .. data:
我做R中
hour_min <- format(as.POSIXct(strptime(FitFull$Date.Time,"%d/%m/%Y %H:%M",tz="",format = %H:%M)))
此项目,并得到该错误消息:
Error: unexpected SPECIAL in "hour_min <- format(as.POSIXct(strptime(FitFull$Date.Time,"%d/%m/%Y %H:%M",tz="",format = %H:%"
我可以从哪里出发? “新R用户”
感谢您的任何帮助,可以给我。
的可能的复制https://stackoverflow.com/questions/21585138/extracting-time - 从个字符的字符串与-strptime-在-R-返回娜 – akrun