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st: analyzing family data


From   <devendra.amre@umontreal.ca>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: analyzing family data
Date   Mon, 21 Oct 2002 14:38:44 -0400

Hi,
I have the following 'family data' set that i wish to analyze.
 
Subject           family          proband           diagnosis              marker
1                    1                  0                     0                          1
2                    1                  1                     2                          0
3                    1                  0                     1                          0
4                    1                  0                     0                          1
and so forth for other families
 
1. I wish to estimate the frequency of families in which the proband (i.e 1) has diagnosis 1 and is marker positive (i.e 1)
2. Further I wish to estimate the frequency of marker positivity (being 1) among 'other family members' of families where the proband==1 & diagnosis==1 and marker==1.
 
Any suggestions will be appreciated.
Many thanks in advance.
 
Devendra Amre MD., Ph.D.
Montreal, Canada.
 
 
 
 
 
 
 
 
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