Dear All, I ran the regression (Please ssc install mmqreg, ssc install outreg2):
Code:
webuse nlswork, clear
mmqreg ln_w age c.age#c.age ttl_exp c.ttl_exp#c.ttl_exp tenure c.tenure#c.tenure not_smsa south, abs(idcode)
outreg2 using "mmqreg", word excel dec(4) addt(ID FEs, Yes) replace
with result
Array

I wonder if I can just keep column (3) but not columns (1) and (2). Thanks.