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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 31688] - Proposal for Poisson distributuion
Date Tue, 02 Nov 2004 05:29:13 GMT
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http://issues.apache.org/bugzilla/show_bug.cgi?id=31688

Proposal for Poisson distributuion





------- Additional Comments From phil@steitz.com  2004-11-02 05:29 -------
Brent,

I agree with all of your points.

1)-2) I think the "rounding" should be removed. To document clearly what the
contract means with the implementation in the patch would be difficult and would
depart from the specification in the interface.

3) Using MathUtils.factorialDouble in place of factorial will accomplish this.

4) Mean sounds good to me too.

5) I would favor just using the regularized gamma.

6) At first I thought that this would not work well since we would have to start
the bisection with top endpoint Integer.MAX_VALUE; but that's only 32 cuts out,
so I agree here too.

I will make these changes prior to committing.

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