I just realized that mwin had three levels.
I went ahead and deleted one of them.
summary(mwin)
table(mwin)
mwin = factor(mwin)
levels(mwin)
mwin = mwin
mwin[mwin %in% levels(mwin)[1]] <- NA
mwin = factor(mwin)
levels(mwin)
mwin = factor(mwin, levels=c("DECLINED","ACCEPTED"))
On Thu, Dec 22, 2011 at 8:23 AM, Abraham Mathew
<abmathewks@gmail.com>wrote:
>
> I'm working on a logistic regression in R with the car package but keep
> getting the following error message.
> It's only and warning and not an error, but I'm just not sure how
to
> resolve the issues.
>
> glm.fit: algorithm did not converge
>
> glm.fit: fitted probabilities numerically 0 or 1 occurred
>
>
> d1 = data.frame(mwin=c(mwin), mbid=c(mbid))
> m1 = zelig(mwin ~ mbid, data=d1, model="logit")
> summary(m1)
> plot(mwin ~ mbid)
>
>
> > str(d1)'data.frame': 66514 obs. of 2 variables:
> $ mwin: Factor w/ 3 levels "","ACCEPTED",..: 2 2 2 2 2
2 2 2 2 2 ...
> $ mbid: int 700 300 700 300 500 300 300 700 300 300 ...
>
>
>
> Can anyone tell me what I should do to fix the warnings.
>
>
> --
> *Abraham Mathew
> Statistical Analyst
> www.amathew.com
> 720-648-0108
> @abmathewks*
>
--
*Abraham Mathew
Statistical Analyst
www.amathew.com
720-648-0108
@abmathewks*
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