[R] an alternative to R for nonlinear stat models

From: <benedikt.gehr_at_ieu.uzh.ch>
Date: Wed, 16 Jun 2010 07:35:05 +0200

   Hi
   I implemented the age-structure model in Gove et al (2002) in R, which is a    nonlinear statistical model. However running the model in R was very slow.    So Dave Fournier suggested to use the AD Model Builder Software package and    helped me implement the model there.
   ADMB was incredibly fast in running the model:    While running the model in R took 5-10 minutes, depending on the settings,    in ADMB it took 1-2 seconds!
   I'm reporting this so that people who have performance issues with nonlinear    statistical models in R will know that there is a good free alternative for    more difficult problems.
   There is also a help platfrom equivalent to the one for R, and people    running it are extremley helpful.
   I hope this might help someone
   cheers
   Beni



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