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st: multiple response question


From   Phung Lang <plang@ifspm.unizh.ch>
To   statalist@hsphsun2.harvard.edu
Subject   st: multiple response question
Date   Tue, 22 Oct 2002 15:35:00 +0200

I have a question which consists of two parts (A and B) in which multiple
responses are allowed for each part. (The 9 possible choices in part A are
identical to those in B). 1) How can I get STATA to compute the frequencies
so that the total percentages of the 9 choices (variables) equal 100%, for
each part.  2) Using the new data generated from question 1, how can I get
STATA to calculate the chi square to compare the same variable in Parts A
and B? Because this is a multiple response question, I am assuming that I
cannot simply state that "1" equals selected and "0", not selected.  Or can
I?

Any advice would be greatly appreciated. Thanks!

Phung

Institute for Social and Preventive Medicine (ISPM)
at the University of Zurich
Sumatrastrasse 30
CH-8006 Zurich, Switzerland

Tel: +41-1-634 46 72 /13
Fax: +41-1-634 49 84
email: plang@ifspm.unizh.ch


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