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2008 Apr 24
1
re shaping "long-form" longitudinal data from sql query
hi, I'm a total noob who is having to ramp up to full speed very quickly due to an unfortunate abrupt staffing change at my job :) I have longitudinal data that looks like this: PID OBSDATE DaysAgo CleanValue NAME 1 1410164934000610 8/17/2004 13:03:38 1345 6.2 HGBA1C 2 1410164934000610 11/16/2004 10:39:51 1254 7.1 HGBA1C ...etc I'd like to end up with a wide-format table like: PID OBSDATE.1 DaysAgo.1 CleanValue.1 [.....