list id if !e(sample)
On Sun, Aug 9, 2009 at 1:04 PM, Supnithadnaporn,
Anupit<[email protected]> wrote:
> Dear Stata List Users,
>
> When I run several logit models, Stata drops 176 observations with the warning
> "varX != 0 predicts failure perfectly". I want to run the models using the same
> set of observations.
>
> How would I know which observations that Stata drops?
> Does Stata have some command to track or keep the observations that used in the
> last regression?
>
> Thank you,
> Anupit
>
>
> --
> Anupit Supnithadnaporn
> PhD Candidate
> School of Public Policy
> Georgia Institute of Technology
> D.M.Smith Building TPAC Room 018
> 685 Cherry Street
> Atlanta GA 30332
>
>
> *
> * For searches and help try:
> * http://www.stata.com/help.cgi?search
> * http://www.stata.com/support/statalist/faq
> * http://www.ats.ucla.edu/stat/stata/
>
--
Fred Wolfe
National Data Bank for Rheumatic Diseases
Wichita, Kansas
NDB Office +1 316 263 2125 Ext 0
Research Office +1 316 686 9195
[email protected]
*
* For searches and help try:
* http://www.stata.com/help.cgi?search
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/
