Hi Members,
Can you please tell me how I can write a random effects command line which corresponds to the mixed effects command line below? I don't know how to write the code after ||.
thanks,
Mohamud
Can you please tell me how I can write a random effects command line which corresponds to the mixed effects command line below? I don't know how to write the code after ||.
thanks,
Mohamud
Code:
xtmixed price_ad d##ib1.cool ib1.branv ib1.new_packz ib1.new_retai ib1.new_eatq s1 s2 s3 if price_ad>0||SKUCode:cool, nolog mle cov(unstructured)