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RE: st: STATA Vs. SAS


From   "Nick Cox" <[email protected]>
To   <[email protected]>
Subject   RE: st: STATA Vs. SAS
Date   Wed, 27 Nov 2002 21:25:09 -0000

Fred Wolfe
> 
> Practically, if the if condition is complicated one often 
> makes a new 
> variable or local macro, as in
> 
> gen newvar = cond(x == 1 & age >27 & date >mdy(01,01,2002),1,0)
> 
> then just using - if newvar- for the if condition.
> 

In turn, it's perhaps worth pointing that this example is 
equivalent to 

gen newvar = x == 1 & age >27 & date >mdy(01,01,2002)

That is 

cond(true_or_false_condition,1,0)

is equivalent to 

true_or_false_condition 

Nick 
[email protected] 
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