Dear Members,
My question is, I ran 2 OLS regression(below) both
having the same number of observations(19) however one
does not have the F test, instead is a dot.
Regressions were
reg y x1 x2 if z==1
reg y x1 x2 if z==2
What does the dot imply?
Thank you.
Regards,
Gunche
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