[ADMB Users] mcpin
ian.taylor at noaa.gov
Tue Jan 31 16:25:54 PST 2012
I thought the model automatically looked in the directory for the .mcm file
or whatever it's called. It works to run
mymodel -noest -nohess -mcmc N -mcsave M
which will start at the initial values rather than those in the .pin file,
but it definitely makes use of the correct Hessian matrix info.
On Tue, Jan 31, 2012 at 4:09 PM, Mark Maunder <mmaunder at iattc.org> wrote:
> I think there is, but not sure how to do it.
> -----Original Message-----
> From: Mollie Brooks [mailto:mbrooks at ufl.edu]
> Sent: Tuesday, January 31, 2012 3:12 PM
> To: Mark Maunder
> Cc: ADMB Users
> Subject: Re: [ADMB Users] mcpin
> Thanks Mark.
> I think I already estimated the variance covariance matrix in the first
> model run. Is there a way to give it to ADMB?
> On 31 Jan 2012, at 5:47 PM, Mark Maunder wrote:
> > You also need the variance-covariance matrix for the jumping rule. You
> could use
> > xxxx -ainp xxxx.par -mcmc 100000000
> > To start the model at the parameter estimates (makes it run quicker),
> estimate the hessian (will take some time), and run the mcmc
> > -----Original Message-----
> > From: users-bounces at admb-project.org [mailto:
> users-bounces at admb-project.org] On Behalf Of Mollie Brooks
> > Sent: Tuesday, January 31, 2012 2:16 PM
> > To: ADMB Users
> > Subject: [ADMB Users] mcpin
> > Hi,
> > I have already found point estimates for the parameters of my model. Now
> I'm interested in doing mcmc sampling.
> > Can I use the command line option -mcpin to start the mcmc sampling at
> the values stored in model.par without redoing the maximum likelihood
> estimation? The manual talks about using -mcpin with values from profiling,
> but I can't do profiling because I'm interested in the distribution of the
> variance parameters of random effects.
> > thanks,
> > Mollie
> > Mollie Brooks
> > Ph.D. Candidate
> > NSF IGERT Fellow
> > Biology Department
> > University of Florida
> > mbrooks at ufl.edu
> > http://people.biology.ufl.edu/mbrooks
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> > Users at admb-project.org
> > http://lists.admb-project.org/mailman/listinfo/users
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