search for: timestar

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2012 Mar 15
1
Subtract Date Between columns
Hello I have this little dataset, my goal is create one column in the data.frame with between the diference DataTime and Duration. I'm using the next code to make do this TIME_STAMP SESSIONTIME Time TimeStart 1162343932 8320 2006-10-31 19:01:34 2006-10-31 16:42:54 1162343215 592 2006-10-31 19:02:04 2006-10-31 18:52:12 1162341465 11875 2006-10-31 19:02:27 2006-10-31 15:44:32 1162339324 118 2006-10-31 19:03:01 2006-10-31 19:03:03 1162339381...