Check out: https://www.stat.math.ethz.ch/pipermail/r-devel/2006-January/036034.html
On 2/6/06, Robert Mcfadden <[EMAIL PROTECTED]> wrote: > Dear R Users > I would like to use optim function to optimize a function. I read help but I > couldn't find what I need: is it possible to get information after each > iteration, for example as there is in MATLAB: > Gradient's > Iteration Func-count f(x) Step-size infinity-norm > 0 24 388.976 14 > 1 72 385.67 0.0292637 16.8 > 2 96 383.54 1 4.15 > 3 120 383.412 1 0.108 > 4 144 383.412 1 0.002 > 5 168 383.412 1 0.00149 > 6 192 383.412 1 6.23e-005 > 7 216 383.412 1 1.01e-005 > > > It is useful when iteration takes long time - I know what's happen > I would appreciate any suggestion > > Robert > > ______________________________________________ > [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 > ______________________________________________ [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
