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st: testing linear combination of means
From
"Rubil Ivica" <[email protected]>
To
<[email protected]>
Subject
st: testing linear combination of means
Date
Thu, 22 Nov 2012 14:23:38 +0100
Dear Statalist members:
Suppose there are four variables: var1, var2, var3, var4. I need to test
whether
0.5 * [mean(var1) - mean(var2)] - 0.5 * [mean(var3) - mean(var4)]
is significantly different from zero.
Is there any idea how to perform the test?
Thanks in advance,
Ivica
--
Ivica Rubil
Ekonomski institut || The Institute of Economics, Zagreb
Trg J. F. Kennedyja 7, 10 000 Zagreb, Croatia
tel. +385-1-2362-269 || fax. +385-1-2335-165
[email protected] || www.eizg.hr
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