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lpolcat_2
2010 Nov 24
0
negative binomial regression, unbalanced panel
...sion, i.e. assuming constant within-group dispersion. The command
in Stata is xtnbreg, fe.
How could I replicate this in R?
I have found the package pglm, and tried the following
pglm(T_total ~ Lgdpqt_2 + Lgdpqt_3 + Lgdpqt_4 + lpop + yrsconflict +
past_T_total + Lpolcat_2 + Lpolcat_3 + Lpolcat_4 + Lgdpgr +
mob_fixed +
wdi_urbanpop + Lopen + Ldurable + factor(year), data = df, family =
negbin, model = "within", index = c("code","year")))
This takes ages, and then returns the following
Maximum Likelihood estimation
Newton-Raphson maximisati...