betaParam {XCIR}R Documentation

Converting beta distribution parameters

Description

Convert parameter values between different beta distribution parametrization

Usage

betaParam(alpha = NULL, beta = NULL, m = NULL, theta = NULL,
  mu = NULL, sigma2 = NULL)

Arguments

alpha

A numeric. First shape parameter

beta

A numeric.Second shape parameter

m

A numeric. Mode

theta

A numeric. Concentration

mu

A numeric. Mean

sigma2

A numeric. Variance

Details

This function needs two parameters that caracterise the beta distribution (alpha and beta, mode and concentration or mean and variance) and returns all parametrizations.

Value

A list with all equivalent formulations of the distribution.

Examples


betaParam(alpha = 5, beta = 5)
betaParam(m = 0.5, theta = 10)
betaParam(mu = 0.5, sigma2 = 0.02272727)


[Package XCIR version 1.2.0 Index]