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Re: st: Re: Calculation of ICC_unbalanced

From   Sanam P <>
Subject   Re: st: Re: Calculation of ICC_unbalanced
Date   Wed, 8 Sep 2010 17:08:07 -0700 (PDT)

Thank you very much Joseph for your respond.

I am very new in this area. Could you please kindly explain a little more that 
what is the interpretation of rho in the xtreg output or introduce me some 
resources about it. I tried to find some explanation in the stata help but I 
couldn't see anything. 

I have a column with a continuous variable and another column that is the 
grouping variable and I would like to calculate the ICC and the numbers in each 
group are not equal (unbalanced).

Many thanks,

----- Original Message ----
From: Joseph Coveney <>
Sent: Tue, September 7, 2010 5:19:29 PM
Subject: st: Re: Calculation of ICC_unbalanced

Sanam P wrote:

It would be greatly appreciated if you could guide me on how to calculate 
Intraclass correlation (ICC) in an unbalanced study with one grouping variable 
(factor) in stata.


Use -xtreg . . ., i(grouping_variable) re- and look at rho in the printout.

Joseph Coveney

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