Another interesting situation:
if data looks like this and first row has no data but want to fill it based on info from next row
Then how hash logic will change, Example as below
HAVE-->
patid date team action
1111 24-jan
1111 25-jan-2016 medical added
1111 27-jan-2016 surgical added
1111 29-Jan-2016 medical removed
1111 31-Jan-2016 surgical removed
1111 04-feb
WANT -->
patid date team1 team2
1111 24-jan medical (Populating this row based on next non missing observation from 25th jan data)
1111 25-jan medical
1111 26-jan medical
1111 27-jan medical surgical
1111 28-jan medical surgical
1111 29-jan surgical
1111 30-jan surgical
1111 31-jan
1111 01-feb
1111 02-feb
1111 03-feb
1111 04-feb
no data basically for last rows with no info on team and action, they are populated based on data from 31 st jan data row ?
Thanks
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