I suggest -set trace on- with a
low -tracedepth- to see where -mfx- 
is squawking. 
Nick 
[email protected] 
Scott Cunningham
> 
> Richard,
> 
> Okay, that wasn't it.  You were right to point out that I had  
> included age in the varlist, which was not in the regression, but  
> notice the following output.  It doesn't seem to matter at all.   
> What's going on here?
< grounds for grief deleted> 
> . mfx
> no observations
> r(2000);
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