Code: prodest log_y method (op), free (log_lab1 log_lab2) proxy (log_ive) state (log_k) valueadded id (id_code) t (year) reps (40) poly real (4)
Data:

CodePudding user response:

I have used the set seed 1234 tried or not; I to gen x=_n and then sort x, then changed his id (id_code) in the code for the id (x) is also still won't do; Then I also did not use the merge