Multiplicative Poisson {rmutil}R Documentation

The Multiplicative Poisson Distribution

Usage

dmultpois(y, m, s)
pmultpois(y, m, s)

Arguments

y vector of counts
q vector of quantiles
m scalar or vector of means
s scalar or vector of overdispersion parameters

Value

These functions provide information about the multiplicative Poisson distribution with parameters m and s. dmultpois gives the density and pmultpois gives the distribution function.

The multiplicative Poisson distribution with mu = m has density

p(y) = c(m,s) exp(-m) m^y s^(y^2) / y!

for y = 0, ..., where c(.) is a normalizing constant.

Author(s)

J.K. Lindsey

See Also

dpois for the Poisson, ddoublepois for the double Poisson, and dnbinom for the negative binomial distribution.

Examples

dmultpois(5,5,0.9)
pmultpois(5,5,0.9)


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