18:20
To: nmusers@globomaxnm.com
Subject: RE: [NMusers] OMEGA priors using modes of inverse Wishart matrix
Many thanks to all of you who responded so quickly and comprehensively.
For those looking into this exchange in the future through the NMuser
archive: Look at Mats' and Tim's resp
oen van Hasselt'; 'nmusers'
Subject: RE: [NMusers] OMEGA priors using modes of inverse Wishart matrix
Hi
An appropriate value for dof of the IW is difficult to determine. While it
can be set at n-1 from a prior this is somewhat arbitrary. It is not in
this sense like a t-distn
1:09 PM
To: Mats Karlsson; 'Joachim Grevel'; 'Coen van Hasselt'; 'nmusers'
Subject: RE: [NMusers] OMEGA priors using modes of inverse Wishart matrix
Hi
An appropriate value for dof of the IW is difficult to determine. While it
can be set at n-1 from a prior this is som
revel'; 'Coen van Hasselt'; 'nmusers'
Subject: RE: [NMusers] OMEGA priors using modes of inverse Wishart matrix
Dear Joachim,
The IW distribution is not something you get from NONMEM, you have to give the
degrees of freedom of the IW prior distribution. Normally this is at or
...@globomaxnm.com [mailto:owner-nmus...@globomaxnm.com] On
Behalf Of Mats Karlsson
Sent: Wednesday, February 22, 2012 9:58 AM
To: 'Joachim Grevel'; 'Coen van Hasselt'; 'nmusers'
Subject: RE: [NMusers] OMEGA priors using modes of inverse Wishart matrix
Dear Joachim,
The IW dis
psala
Phone: +46 18 4714105
Fax + 46 18 4714003
From: owner-nmus...@globomaxnm.com [mailto:owner-nmus...@globomaxnm.com] On
Behalf Of Joachim Grevel
Sent: 22 February 2012 15:24
To: 'Coen van Hasselt'; nmusers
Subject: RE: [NMusers] OMEGA priors using modes of inverse Wishart matri
2012 14:03
To: jgre...@o2.co.uk
Subject: Re: [NMusers] OMEGA priors using modes of inverse Wishart matrix
Dear Joachim,
I have always wondered about this particular question myself as well..
Thanks for asking at NMusers.
Another thing related to the PRIORs I was wondering about: you can either
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
On Wed, Feb 22, 2012 at 7:53 AM, Joachim Grevel wrote:
> Dear NMusers,
