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st: RE: local variable and indexing into a variable


From   "David E Moore" <davem@hartman-group.com>
To   statalist@hsphsun2.harvard.edu
Subject   st: RE: local variable and indexing into a variable
Date   Thu, 23 Jun 2005 17:26:19 -0700

Stata prefers:

replace `var' = 0 if _n==_N


-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu]On Behalf Of NEYMOTIN,
FLORENCE
Sent: Thursday, June 23, 2005 5:15 PM
To: statalist@hsphsun2.harvard.edu
Subject: st: local variable and indexing into a variable


Hi, I tried typing:

foreach var in x y {
replace `var'[_N]=0
}

then it considers [_N] a "weight" when clearly I want it to just change the last
observation of
both x and y to be zeroes.

alternatively, I tried the inner line as: ( replace `var[_N]'=0 )    and then it
doesn't recognize
var[_N] and thinks that it is an entirely new local reference.
Is there a correct syntax here, or does it look like there is some other sort of
mistake in my
coding ?
thanks,
Florence
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