[ADMB Users] mcmc with a high N

Edgar Gonzalez edgarjgonzalez at ymail.com
Thu Jul 5 09:00:37 PDT 2012

Hi everyone:

I'm trying to run mcmc on ADMB. I ran a pre-run to estimate the Total N required to obtain the posterior distribution of my parameters. I got a rounded N of 6 000 000. As this would take weeks (months?) to do, I'd like to know if there is a way to partition this into 12 runs with N = 500 000 and to assemble them into a single run. As far as I know, the mcmc involves random walks, but when I ran two mcmc's I got the same walk (the traces look the same).

Thanks in advance,
Edgar J. González
Ecology and Natural Resources Dept.
Science Faculty, UNAM
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