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

From   Richard Williams <[email protected]>
To   [email protected]
Subject   Re: st: -mfx-: can I just keep the interaction variable?
Date   Sun, 10 Sep 2006 21:22:41 -0500

At 07:33 PM 9/10/2006, Scott Cunningham wrote:

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
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?

Richard Williams, Notre Dame Dept of Sociology
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