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st: RE: Geometric Standard Distribution


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: Geometric Standard Distribution
Date   Tue, 10 Aug 2004 22:21:31 +0100

In addition, various programs on SSC 
offer direct support for graphical 
assessment of a lognormal fit to 
a single distribution. 

-qlognorm- (Stata 7) (there is a
Stata 8 version, but it's not been 
made public) (package also 
includes -plognorm- (similar comment)) 

-dpplot- (Stata 8) 

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

 
> Assuming this is exp(sd(log())), I guess most 
> people would take the logs, etc. Writing your 
> own is not too difficult; below is a sketch.
> 
> ------------------------------ begin geomeansd 
> program geomeansd
> end 		
> ------------------------ end geomeansd.ado 
> 
> 
> Nick 
> n.j.cox@durham.ac.uk 
> 
> > I have a set of data that follows log-normal distribution.  
> > In STATA the
> > command "means" only gives geometric mean and confidence 
> > intervals. Is there
> > a way to calculate geometric standard deviation in STATA?
> 

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