Summary
Possion distribution random generator options.
Unit
RndGenerators
Declaration
TPoissonRandMethod = (prmPTPE = 0, prmNormal = 1);
| Value | Description |
|---|
| prmPTPE | - if lambda>=27, acceptance/rejection method is used with decomposition onto 4 regions: 2 combined parallelograms, triangle, left exponential tail and right exponential tail; othewise table lookup method is used |
| prNormal | for lambda>=1 method is based on Poisson inverse CDF approximation via Gaussian (normal) inverse CDF; for lambda<1 table lookup method is used. |
| Copyright 2008 Dew Research |
http://www.dewresearch.com