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Re: st: What should I do if stata can not show the result of nbreg


From   David Hoaglin <dchoaglin@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: What should I do if stata can not show the result of nbreg
Date   Sun, 8 Jan 2012 14:07:52 -0500

The description of your dependent variable suggests that 0 is not a
possible value: a director, by definition, serves on at least one
board.  Is the dependent variable actually the number of boards minus
1?  If 0 is not a possible value of the dependent variable, you should
consider a truncated distribution, and such a distribution may be
appropriate instead of subtracting 1 (if that is the current
definition).

David Hoaglin

On Sun, Jan 8, 2012 at 8:25 AM, Ye SUN <sunye74stata@gmail.com> wrote:
> Thanks for reminding.
> I use stata 11. My dependent variable is the number of boards that a
> director serves in.(Nboards) My test independent variable is the
> gender of the director, dummy variable (FD).
> So I want to run the following regression:  nbreg  Nboards  FD  (other
> control variables)

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