[R] How to use dwish in MCMCpack in R

[Anamika Chaudhuri]

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.

Thanks
Anamika

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