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st: rescaling a variable by the maximum value question

From   "JVerkuilen (Gmail)" <>
Subject   st: rescaling a variable by the maximum value question
Date   Sat, 13 Oct 2012 01:49:07 -0400

I'm sure I'm simply overlooking something easy but I want to make a
new variable that is rescaled by dividing by the maximum value of the
old one. Old variable: 1, 2, 3, 4. New variable should be 0.25, 0.5,
0.75, 1.

The syntax

     gen newvar = oldvar/max(oldvar)

does not work and I understand why it doesn't, because max doesn't
work that way. Is there a straightforward way to do this? (Yes I could

     summarize oldvar

and pick out the max by hand and rescale. I'd like to avoid that, if
possible. ;)
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