[R] How to use dwish in MCMCpack in R
Duncan Murdoch
murdoch.duncan at gmail.com
Thu Sep 3 18:28:20 CEST 2015
On 03/09/2015 9:29 AM, Anamika Chaudhuri wrote:
> Hi All:
>
> I am trying to use the dwish function in the MCMCpack in R
>
> dwish(W, v, S) where
>
> Arguments
> W-Positive definite matrix W
> v-Degrees of freedom (scalar).
> S-Inverse scale matrix
>
> How do I determine W, the positive definite matrix. The matrix provided in
> the documentation doesnot help.
Your question doesn't make sense. You want to compute the density of a
Wishart distribution. That's a distribution of matrices. So you just
put in the matrix at which you want to compute the density.
Duncan Murdoch
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