Hi:
I'm using pscore command in Stata 11. I have a database with 168 treated units and almost 7 thousand units to compare with. I would like to keep only the 3 or 4 closest comparison observations to each one in the treatment group. I already have the propensity score for each unit. ¿Can you help me, please?
I'm using pscore command in Stata 11. I have a database with 168 treated units and almost 7 thousand units to compare with. I would like to keep only the 3 or 4 closest comparison observations to each one in the treatment group. I already have the propensity score for each unit. ¿Can you help me, please?