Re: [R] Time Interval calculation using R

You seem to have omitted a left quotation mark in (2): %H:%M:%S. Regards, Yihui -- Yihui Xie [EMAIL PROTECTED] Phone: +86-(0)10-82509086 Fax: +86-(0)10-82509086 Mobile: +86-15810805877 Homepage: http://www.yihui.name School of Statistics, Room 1037, Mingde Main Building, Renmin University of

Re: [R] Time Interval calculation using R

Seems to work fine for me: times - c(10:12:34, 14:23:15) Ptime - as.POSIXct(strptime(times, %H:%M:%S)) Ptime [1] 2008-10-05 10:12:34 GMT 2008-10-05 14:23:15 GMT difftime(Ptime[2], Ptime[1], units='min') Time difference of 250.6833 mins You just have to be careful that all your times are

[R] Time Interval calculation using R

Hi I have two columns of data with time in form of HH:MM:SS - representing start time and end time of an activity. I am trying to calculate the time difference (duration of the activity). (1) I first tried difftime(btime, etime, units = mins) This however gave me the error - Error in