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2003 Mar 24
2
Robust standard errors
...robust standard errors for a logit model. I installed the package "car" and tried using hccm.default, but that required an lm object. Is there some way to do a similar operation for a glm object? x <- hccm.default(glm(winner ~ racebl + racehi + raceas + inchi + incmed + edhs + edcol + edba + agec1 + agec4 + sex + margin + regla + regbay + regsc + libcon+ pdem + poth, data = zol, family = binomial, weights = NULL)) Error in hccm.default(glm(winner ~ racebl + racehi + raceas + inchi + : requires an lm object > Thanks, Nirmala Ravishankar *************************...