Density, cumulative probability, quantiles and random generation for the inverse Gaussian distribution.
Usage
dinvgauss(x, mu = stop("no shape arg"), lambda = 1)
pinvgauss(q, mu = stop("no shape arg"), lambda = 1)
rinvgauss(n, mu = stop("no shape arg"), lambda = 1)
Arguments
n
Integer
q, x
Real
mu,lambda
positve array of integers, means and scaling parameter
Value
dinvgauss: Inverse Gaussian distribution function
pinvgauss: Random variates from inverse Gaussian distribution
rinvgauss: Quantiles of the inverse Gaussian distribution
References
Chhikara and Folks, The Inverse Gaussian Distribution, Marcel Dekker, 1989.
http://en.wikipedia.org/wiki/Inverse_Gaussian_distribution