Re: OMEGA priors using modes of inverse Wishart matrix
Joachim,
Please see the CRAN package "metrumrg". Look for the function
"riwish", written by Leonid Gibiansky. Any errors are mine
(maintainer).
-Tim
Tim Bergsma, PhD
Metrum Research Group LLC
Tariffville, CT
860-930-9931
Quoted reply history
On Wed, Feb 22, 2012 at 7:53 AM, Joachim Grevel <[email protected]> wrote:
> Dear NMusers,
>
> Our NONMEM User Guides are full of good advice and they are searchable. Yet
> when I tried to find out whether any of the estimation methods could be
> enticed to give me the “inverse Wishart matrix” needed to specify PRIORS for
> OMEGAs, I found no help. Leonid G. mentions the inverse Wishart matrix in
> his historic contributions to NMusers, but again I could not find out how to
> obtain it. If it does not happen in NONMEM, is there a tool in R that can
> give me that matrix?
>
> Your help is greatly appreciated,
>
>
>
> Joachim
>
>
>
> Joachim Grevel, PhD
>
> Scientific Director
>
> BAST Inc Limited
>
> BioCity Nottingham
>
> Pennyfoot Street
>
> Nottingham, NG1 1GF
>
> Tel: +44 (0)115 8120497
>
>