dgammapois: Density function for Gamma-Poisson distribution.
Description
Data follow the Poisson distribution parameterized by a mean parameter
that follows a gamma distribution.
Usage
dgammapois(x, a, b = 1, log = FALSE)
Arguments
- x
vector of x values
- a
shape parameter for gamma distribution on mean parameter
- b
rate parameter for gamma distribution on mean parameter
- log
whether to return the density in log scale