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st: repeated anova


From   Ricardo Ovaldia <[email protected]>
To   [email protected]
Subject   st: repeated anova
Date   Mon, 27 Feb 2006 06:33:39 -0800 (PST)

Dear all,

I am struggling with this seemly simple ANOVA, but I
can't get it set correctly. I have 40 students
randomly allocated to 4 experimental stress groups.
The diastolic blood pressure was measured for each
student at baseline and at five additional times. The
lay out is something like this:

. table  time group

----------------------------------
          |         group         
     time |    0     1     2     3
----------+-----------------------
        0 |   10    10    10    10
        1 |   10    10    10    10
        2 |   10    10    10    10
        3 |   10    10    10    10
        4 |   10    10    10    10
        5 |   10    10    10    10
----------------------------------

Note that there are 10 students in each -group-, but
each student was measured at 6 different times. Could
someone please tell me what is the correct Stata
command for this repeated ANOVA?

Thank you,  
Ricardo.


Ricardo Ovaldia, MS
Statistician 
Oklahoma City, OK

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