I have 3 variables in the data set(PR1, PR2, PR3)of medical procedures which coded with procedures that the patients received (normal data). I need create a variable containing 2 codings (001 and 002) from all these 3
procedures (PR1,PR2,PR3). I also need to keep 001 and 002 coding separately for analysis. Anyone knows how to do this? Do I need 001 coding for all 3 procedures and 002 coding for all 3
procedures first and then combine these two? Thanks much.
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