Re: st: -mfx-: can I just keep the interaction variable?

[Richard Williams <Richard.A.Williams.5@ND.edu>]

At 07:33 PM 9/10/2006, Scott Cunningham wrote:
> Richard,
>
> The dataset is the NLSY97, selection just on males, blacks and whites
> only, and balanced for the 1997-2002.  Here's the entire code, plus
> output.  I'm going to snip the fixed effects, though.
>
> . xi:xtpoisson rp i.race age age2 hgc hhd1 i.year i.fip, vce(boot);
> ...
> Note: One or more parameters could not be estimated in 7 bootstrap
> replicates; standard error
>       estimates include only complete replications.
>
> . mfx, dydx varlist(_Irace_2 age age2 hgc hhd1);
> no observations
> r(2000);
I wonder if the vce(boot) and/or the fact that not all replicates 
were successful has something to do with it?  What happens if you run 
it without vce(boot)?  What does ereturn list tell you e(N) is?


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Richard Williams, Notre Dame Dept of Sociology
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