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st: RE: Can you get sign of value only?
replace x = x * sign(y)
Stata's documentation of functions is ultra-dry. At
some point one just has to scan the list and see
what there is.
At the Stata Journal we are open to publishing tutorial-type
articles on the more exciting functions, but with
-sign()- I would be pushed to do more than restate the
Danielle H. Ferry
> Is it possible to get the sign of a value? I.e., I would like
> to multiply the
> var x by either -1 or +1 depending on the sign of var y.
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