I'm sorry, but my previous message, as often happens, some brackets were
wrong:
Here are the correct formulas:
sd = 1/n * sum((x-mean(x))^2) # (1)
sd = 1/(n-1) * sum((x-mean(x))^2) # (2)
This also occured in the last paragraph.
Dirk
*************************************************
Dr. Dirk Enzmann
Institute of Criminal Sciences
Dept. of Criminology
Edmund-Siemers-Allee 1
D-20146 Hamburg
Germany
phone: +49-040-42838.7498 (office)
+49-040-42838.4591 (Billon)
fax: +49-040-42838.2344
email: [EMAIL PROTECTED]
www:
http://www2.jura.uni-hamburg.de/instkrim/kriminologie/Mitarbeiter/Enzmann/Enzmann.html
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