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st: RE: Medians: Comparison and confidence intervals


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: Medians: Comparison and confidence intervals
Date   Wed, 31 Jul 2002 12:49:15 +0100

Banya, Winston
> 
> I am using STATA 6 and want to find out how to calculate 
> the confidence of a
> median and also compare 2 or 3 medians. I am aware that 
> version 7 has
> facility for the later part of my query but an order to 
> upgrade to version 7
> is being processed and I  may not get the copy for another 
> 2 weeks or so.  I
> am also aware that I can use the ranksum command for 
> testing the equality of
> 2 population medians. How different is ranksum or kwallis 
> from the median
> command in version 7. And is there any way I can handle 
> this problem of
> directly comparing 2 or more medians and finding the 
> confidence interval of
> a median with my present facility?

Typing 

search median 

in your Stata 6 will indicate what is available to you right now. 
In particular, check out Roger Newson's -cendif-. 

Nick 
n.j.cox@durham.ac.uk 
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