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st: Heterogeneity Index


From   Diego Bellavia <messadua@yahoo.it>
To   STATAlist <statalist@hsphsun2.harvard.edu>
Subject   st: Heterogeneity Index
Date   Mon, 7 Dec 2009 18:52:22 +0000 (GMT)

Hello Statalisters, 
 
This is more a general and basic stat question than an issue with STATA but hope you 
will be supportive anyway, as always. 
I would like to measure the amount of variability I have for one specific measure in 2 different groups 
of patients. of course I could use the standard deviation for that but I would like also to 
create an index of that variability and be able to compare that index between the 2 groups with a formal stat test.
Note that in this case I am not interested in central tendency measures (mean or median) but just in a way to quantitate 
the variability, present that as an index and compare among 2 (or more) groups. 
How would you proceed in STATA ? 
 
Thank you in advance, 
 
Diego



      

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