rvpois {rv}R Documentation

Generate Random Vectors from a Poisson Sampling Model

Description

Generates random variables from a Poisson sampling model.

Usage

  rvpois(n=1, lambda)

Arguments

n integer: number of variables to generate
lambda a vector of (positive) mean parameters; (may be random)

Note

If any of the arguments are random, the resulting simulations may have non-Poisson marginal distributions.

Author(s)

Jouni Kerman kerman@stat.columbia.edu http://www.stat.columbia.edu/~kerman

References

Kerman, Jouni and Gelman, Andrew. Manipulating and Summarizing Posterior Simulations Using Random Variable Objects. Technical report, Columbia University, New York.

Examples

  x <- rvpois(lambda=10)  # A Poisson rv with mean 10
  lbd <- rvchisq(1,1)     # Some positive rv
  y <- rvpois(lambda=lbd) # Not a Poisson rv, although each simulation is a draw from Poisson.

[Package rv version 0.925 Index]