Dimitris Rizopoulos <dimitris.rizopoulos <at> med.kuleuven.be> writes:
> > you don't need L-BFGS-B in this case since you can easily > re-parameterize you problem, i.e., you can always write: > > pi_i = exp(a_i) / sum(exp(a_i)), with e.g., a_1 = 0 > > and thus maximize with respect to a_i's. > > I hope it helps. > > Best, > Dimitris although this may be problematic if some of the original parameters lie on the boundary ... ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
