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loglikelihood
2010 Jul 05
3
selection of optim parameters
Hi all,
I am trying to rebuild the results of a study using a different data
set. I'm using about 450 observations. The code I've written seems to
work well, but I have some troubles minimizing the negative of the
LogLikelyhood function using 5 free parameters.
As starting values I am using the result of the paper I am rebuiling.
The system.time of the calculation of the function is about 0.65 sec.
Since the free parameters should be within some boundaries I am using
the following command:
optim(fn=calculateLogLikely...