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Re: st: Mixed and ICC


From   Richard Goldstein <richgold@ix.netcom.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Mixed and ICC
Date   Sun, 22 Dec 2013 14:07:07 -0500

you don't say what you mean by "not working" but, if what you type in
this email is actually what you typed, you have a typo

it should be -estat icc- ; i.e., no "e" at the end of estat

more importantly, I don't think what you are trying to do will work;
estat icc needs the specific model so you can't do this via -by-

either try -mixed- with "if" assuming you only want this for one
subgroup or put the whole thing in a loop (e.g., -foreach-) and estimate
the -mixed- model and then do -estat icc- before going to the next step
in the loop

Rich

On 12/22/13, 1:43 PM, Barbara Romano wrote:
> Dear all,
> I performed a simple multilevel (null) model for three geographical subgroups
> 
> . by Areageo_3: mixed math_score || CODICE_SCUOLA:
> 
> I’d like to get the Icc for the same subgroup, so I tried:
> 
> by  Areageo_3: estate icc
> 
> and also  
> 
> estate icc by Areageo_3
> 
> but it’s not working. 
> 
> Could you please help me to find a solution or it’s simply not possible to get this kind of results? 
> Thank you very much
> Barbara
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