Re: st: Inconsistent number and maximum size of groups using -xtlogit,fe-

["Brian P. Poi" <bpoi@stata.com>]

On Wed, 11 Apr 2007, David W. Harless wrote:

> I am estimating a model using conditional logit/fixed-effects logit, but 
> using the command -xtlogit, fe- because it reports (and saves in e()) 
> information on the number and size of groups.  But in a sample with some very 
> large group sizes, the number of groups and the maximum size of group from 
> -xtlogit, fe- is different than what I calculate directly. For example:
This is a bug in -xtlogit- that will be fixed in the next ado-file update. 
Groups with more than 32,740 observations are not being counted. The bug 
only affects the calculations regarding the number and size of groups; 
nothing else is impacted.


  -- Brian Poi
  -- bpoi@stata.com


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