3.5.5.7 Poisson

Poisson-func

Description

This function returns npts number of random integers having a Poisson distribution with mean mean. Argument seed is optional. If seed is omitted, a different seed is used each time the function is called.

Syntax

dataset poisson(int npts, double mean, int seed)

Parameter

npts

the number of values in the returned dataset.

mean

the mean of the returned dataset.

seed

a positive integer used to initialize the returned pseudorandom dataset.

Return

Returns npts number of random integers having a Poisson distribution with mean mean.

Example

col(1) = poisson(100, 0.5, 2);