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st: sd - correction


From   "Andreas Aschbacher" <aa_surf@gmx.at>
To   statalist@hsphsun2.harvard.edu
Subject   st: sd - correction
Date   Tue, 2 Mar 2004 11:03:30 +0100 (MET)

Dear fellows !

I use :
tabstat dosis_corr,stats(mean range sd var sk k iqr)
/dosis_corr is dosis-value in radioactive measurement /
I suppose that sd is appropriate to arithmetic-mean
and var too - accordant sd = sqrt((1/(n-1))*sum[(xi - x_arithm.)^2]),
sum starts at 1 and goes to n/ x_arithmetic .... arithmetic-average .
my question:
how do I get:  tabstat dosis_corr,stats(median range sd var sk k iqr)
where sd is a function of median and var too /   sd(median)  var(median) //
??
thanks 
aschbacher andreas

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