rwish {monomvn} | R Documentation

## Draw from the Wishart Distribution

### Description

Random generation from the Wishart distribution.

### Usage

       rwish(v, S)

### Arguments

`v` | degrees of freedom (scalar)
`S` | inverse scale matrix (p x p)

### Details

The mean of a Wishart random variable with `v` degrees of freedom and inverse scale matrix `S` is vS.

### Value

Returns generates one random draw from the distribution which is a `matrix` with the same dimensions as `S`

### References

This was copied from the MCMCpack package

### Examples

    draw <- rwish(3, matrix(c(1,.3,.3,1),2,2))

[Package monomvn version 1.8 Index]