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st: t-test and missing values


From   Navid Asgari <navidstatalist@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   st: t-test and missing values
Date   Sat, 26 May 2012 21:29:48 +0800

Hi all,

I am facing a simple but a bit confusing situation...

I am running a simple unpaired t-test on equality of means of two
variables, say var1 and var2

var1              var2
------------------------------
1                    3.4
2                    3
3                    1
.                     2
4                    .
0                    .
.

I want Stata to ignore the missing values? In other words, these
records should not be counted as a sample point?

Does "unpaired" option after ttest do this?

Thanks,
Navid
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