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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