Posted by
Jason McNellis on
Aug 08, 2006; 10:36pm
URL: http://spssx-discussion.165.s1.nabble.com/Statistical-Question-tp1070190p1070191.html
Great question. I can't really speak to the statistical aspect--I'm
suspicious it would be violating an assumption regarding structure in the
data. I can tell you that in a business setting logistic regression is
sometimes applied to a grouping variable (like customer segments). The way
we do this is build a separate model for each segment. This is done when we
have prior knowledge that suggests different groups will respond
differently.
Jason
-----Original Message-----
From: SPSSX(r) Discussion [mailto:
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Brandon Long
Sent: Tuesday, August 08, 2006 3:35 PM
To:
[hidden email]
Subject: Statistical Question
This listserv is a great resource, so I was hoping someone might be able
to help me get some clarification on a certain statistical question. If
you have risk-adjusted a sample of data by certain factors using
logistic regression, is it incorrect to further stratify these results
by some sort of grouping variable? I do not believe it would be
statistically correct but am having a hard time justifying this. Am I
wrong? Any information would be helpful.
Thank you!