Date:         Wed, 16 Oct 2002 12:06:19 -0400
Reply-To:     Sherry Downing-Alfonso <SDowningAlfonso@gaic.com>
Sender:       "SPSSX(r) Discussion" <SPSSX-L@LISTSERV.UGA.EDU>
From:         Sherry Downing-Alfonso <SDowningAlfonso@gaic.com>
Subject:      combining Logistic and Linear Models
Content-type: text/plain; charset="us-ascii"

I am working on a model to predict a measure which is present only for
about 2% of the population I am evaluating.  I've taken those 2%, as well
as a representative sample of similar size from the remaining 98%, and
analyzed using logisitic regression (event, y/n).  Next, working with the
group for which the event is present and using linear regression to predict
the measure of interest.  How can I combine these 2 models?

Thanks.

Sherry



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