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st: How to deal with a lot of exogenous variables in Path analysis (help)


From   "Yan Cheng" <yancheng79@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   st: How to deal with a lot of exogenous variables in Path analysis (help)
Date   Sat, 10 Mar 2007 16:44:31 +0800

Hi, everyone:

    I want to get a model through path analysis, including five parts
of exogenous variables (background, family, peer, media and school
environment) and three endogenous variables (knowledge, attitude and
behavior). In each part of exogenous variables, there are more than 5
independent variables, some of them are category variables (occupation
and family structure) while others are continuous variables (age,
family support score). I have no idea about how to deal with them? Can
I construct some principal components to replace the original
variables? There are both category and continuous variables, can I use
principal components to replace them?
   Looking forward to your comments, Thank you for your genousrous
help in advance!

Best wishes,


Cheng Yan
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