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st: Anova repeated measures


From   Peter Kraglund Jacobsen <peter@kraglundjacobsen.dk>
To   statalist@hsphsun2.harvard.edu
Subject   st: Anova repeated measures
Date   Wed, 21 Apr 2010 22:23:52 +0200

projektnum	t	gruppe	vas
93	1	Parenteral morphine	8
93	2	Parenteral morphine	.
93	3	Parenteral morphine	9
93	4	Parenteral morphine	9
93	5	Parenteral morphine	8
95	1	XXX with NaCl	5
95	2	XXX with NaCl	.
95	3	XXX with NaCl	3
95	4	XXX with NaCl	2
95	5	XXX with NaCl	.
101	1	XXX with Naropine	3
101	2	XXX with Naropine	.
101	3	XXX with Naropine	5
101	4	XXX with Naropine	5
101	5	XXX with Naropine	.

In this example, three persons (projektnum) in three groups (gruppe)
are asked about pain score (vas) at five different times (t).
How do I show if there is a difference in VAS between the three groups?
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