Posted by
Spousta Jan on
Nov 21, 2011; 12:02pm
URL: http://spssx-discussion.165.s1.nabble.com/Poisson-distribution-rv-tp5010174p5010361.html
Hi Frank,
Use the mean (5.294693). That is the lambda in the distribution formula.
http://en.wikipedia.org/wiki/Poisson_distributionBest regards
Jan
-----Original Message-----
From: SPSSX(r) Discussion [mailto:
[hidden email]] On Behalf Of drfg2008
Sent: Monday, November 21, 2011 11:55 AM
To:
[hidden email]
Subject: Poisson distribution (rv)
A question to the Poisson distribution: I would like to generate a poisson distributed random variable with SPSS (1). I know that the distribution is a Poisson distribution with the arithmetic mean of 5.294693 and the median of 5. What do I have to give SPSS as "mean": the median or the arithmetic mean.
Or neither. In other words, what is the estimated location parameter in a Poisson distribution.
Thanks
(1)
COMPUTE rv_poisson=RV.POISSON(xyz).
EXECUTE.
-----
Dr. Frank Gaeth
FU-Berlin
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