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st: RE: Generating a binary variable

From   "Martin Weiss" <>
To   <>
Subject   st: RE: Generating a binary variable
Date   Fri, 2 Apr 2010 11:15:27 +0200


The mistake is that you want to assign two values to "ecobuy" while it will
take only one at a time. If you want it to accept two, -cond()- is the way
to go, as in Nick and coauthor`s 

For a binary variable, there is an even easier solution, as seen below. Note
you should always check for missings when using the "bigger than" operator.

set obs 30

//create ecolbs
gen ecolbs=cond(runiform()>.3,runiform(),0) 

//create ecobuy
gen byte ecobuy=ecolbs>0&!mi(ecolbs)

list, noo


-----Original Message-----
[] On Behalf Of Nik Pineider
Sent: Freitag, 2. April 2010 05:55
Subject: st: Generating a binary variable

I'm having trouble getting this to generate. gen ecobuy = 1 if ecolbs > 0 &
ecobuy = 0 if ecolbs = 0. What am I doing wrong here?

Thanks for the help. 
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