search for: regsc

Displaying 2 results from an estimated 2 matches for "regsc".

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2005 Nov 27
1
fixed, random effects with variable weights
...ly. If someone could give me a hint, this would be really great. Basically, I want to run a standard economist's fixed, and random effects regression (corresponds to xtreg in STATA) but with _variable_ weights (they correspond to changing industry shares in the market). Here is what I do: regsc<-lme(dsc~dcomp+dperc,random=~1|ind7090) update(regsc,weights=varFixed(~wt)) 1. however, my results are different from what I obtain in Stata using areg (the weighted fixed effects times series regression). any ideas? 2. how do I read of the random affects results from this regression? (i.e. c...
2003 Mar 24
2
Robust standard errors
...kage "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 ********************************************************************** Nirmala Ravishanka...