Re: [R] optimization with Sparse matrices

2011-06-17 Thread Ben Bolker
Dube, Jean-Pierre chicagobooth.edu> writes: > > To whom it may concern, > > I am trying to maximize a log-likelihood function using optim. > This is a simple problem with only 18 > parameters. To conserve memory, I am using sparse matrices > (SLAM) for some of the data matrices used in the >

Re: [R] optimization with Sparse matrices

2011-06-16 Thread Berend Hasselman
Dube, Jean-Pierre wrote: > > To whom it may concern, > > I am trying to maximize a log-likelihood function using optim. This is a > simple problem with only 18 parameters. To conserve memory, I am using > sparse matrices (SLAM) for some of the data matrices used in the > computation of the lik

[R] optimization with Sparse matrices

2011-06-16 Thread Dube, Jean-Pierre
To whom it may concern, I am trying to maximize a log-likelihood function using optim. This is a simple problem with only 18 parameters. To conserve memory, I am using sparse matrices (SLAM) for some of the data matrices used in the computation of the likelihood. However, optim appears to co