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st: FW: limit on IVs for multiple regression


From   "Nick Cox" <[email protected]>
To   <[email protected]>
Subject   st: FW: limit on IVs for multiple regression
Date   Wed, 17 Sep 2003 22:56:23 +0100

-----Original Message-----
From: Nick Cox [mailto:[email protected]]
Sent: 17 September 2003 22:23
To: [email protected]
Subject: RE: limit on IVs for multiple regression

Are IVs so-called independent variables or instrumental 
variables? 

Whatever: r(2000) means "no observations". I guess that 
something else is biting, principally any 
missing values. 

One way to find out is 

. egen nmiss = rmissing(<varlist>) 
. count if nmiss == 0  

!!! correction: should be rmiss(<varlist>) 


Nick 
[email protected] 
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