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Re: st: Re: SW logisitc


From   Richard Williams <Richard.A.Williams.5@ND.edu>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Re: SW logisitc
Date   Tue, 12 Sep 2006 13:46:08 -0500

At 12:28 PM 9/12/2006, Shi Huang wrote:
Hi, Rodrigo,

Thank you so much for help. It works.

BTW, Do you know how to force some variables stay in the model when
running backward selection?

In Stata 9 with the sw prefix, the lockterm1 option specifies that the first term be included in the model and not be subjected to the selection criteria.


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