draw_variance_multi: Draws a variance from an inverse Wishart distribution.
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Description
Draws a variance from an inverse Wishart distribution.
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Usage
draw_variance_multi(Y, nu, Phi)
Value
A named vector of drawn parameters.
Arguments
- Y
dependent variable
- nu
degrees of freedom, nu>p-1
- Phi
scale matrix, p x p
Details
The mean is given by Phi / (nu+p-1)
for nu>p+1
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