Hi all:
My dependent variable, v6mouses, is drug use; 60.15% of the result is 0 and 26.92% of the result is 1, which is overdispersion. Hence, I used "xtnbreg v6mouses IV, fe" to run my analysis. However, I have a concern xtnbreg is not a true fixed effects model.
I referred to the previous post, and I am using xtpoisson with robust option. Here is my code:
xtpoisson v6mouses l.exptots l.cynics l.mordiss l.parmnts l.impulss l.peerprs l.hoods i.wave, robust i(caseid) fe
I also use "l." option for creating lagged one variables for all IV to establish temporal sequences. I am not sure whether this would be suitable.
Thank you very much!!
Steven
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