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st: SUM question


From   "Yamamoto, Satomi" <syamamot@ad.uiuc.edu>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   st: SUM question
Date   Wed, 14 May 2008 22:29:23 -0500

Hello,

I'm wondering if anybody knows the Stata command that is equivalent to the following SPSS command:

compute newvar= sum(var1, var2).
exe.

The SUM function in SPSS allows you to keep cases with missing values instaead of droppoing them. It's one way of  preventing listwise deletion. It would be great if I can get help with this.

Sincerely,
Satomi

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