search for: time_of_experiment

Displaying 1 result from an estimated 1 matches for "time_of_experiment".

2012 Oct 12
1
Adding Time when Blanks
...re is anything else you need. Thanks for your time. I have Start_of_Experiment in POSIX format for time calculations from the following: data$Start_of_Experiment=as.POSIXct(strptime(data$start_time, "%m/%d/%Y %H:%M:%S")) Here is a subset of my data. ID group Start_date Time_of_experiment Time_of_end 1 20209 4 02/02/2009 12:38:00 26 30209 3 03/02/2009 12:40:00 13:32:00 27 31609 4 03/16/2009 11:28:00 12:26:00 28 40609 4 04/06/2009 11:17:00 53 42709 4 04/27/2009 11...