Hi I am new to STATA and I need help a bit urgently because of a deadline
I have a list of labs taken at different time intervals for 5 years and I want to make this into a 3 monthly followup data. Please help me out how to do this in STATA.
ID RESULT VALUE RESULT DATE
1 4 7/14/2010
1 6 6/09/2011
1 6 9/09/2011
1 9 7/04/2012
2 3 3/11/2012
2 2 6/12/2012
2 6 10/12/2013
Thanks.