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st: fundamental terms


From   "Andreas Aschbacher" <aa_surf@gmx.at>
To   statalist@hsphsun2.harvard.edu
Subject   st: fundamental terms
Date   Fri, 27 Feb 2004 13:24:23 +0100 (MET)

dear fellows !

I have a sample with n observations :
are there commands for:
   a)  d1 = 1/n*SUMME(i=1 until n)[|x(i)-x_arithmetic|]
   b)  d2 = 1/n*SUMME(i=1 until n)[|x(i)-median|]
??
|..| means absolut value
x_arithmetic ... arithmetic mean
thank you very much
andreas aschbacher

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