If you look for - help progfun - you find the following. However, the rule seems not to be documented under the command - recode - in the manuals.
recode(x,x1,x2,...,xn) returns x if x is missing; returns missing if x1 = missing or x2= missing or ... xn-1 = missing; returns missing if x1, x2, ..., xn are not weakly increasing; returns x1 if x<=x1; returns x2 if x1<x<=x2; returns x3 if x2<x<=x3; ...; xn if x>x(n-1).
Also see autocode() and irecode() for other styles of recode functions.
Veit Grote
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Von: Friedrich Huebler [mailto:[email protected]]
Gesendet: Mittwoch, 3. Dezember 2003 03:33
An: [email protected]
Betreff: st: -recode- question
This question was inspired by Veit Grote's recent post. The command
. recode varname min/3=1 3/6=2 6/9=3
recodes all values <=3 to 1, and all values >3 and <=6 to 2. How does
a Stata user learn this "read from left to right" rule? I could not
find this documented anywhere.
Friedrich Huebler
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