On Tue, 4 May 2004, Tarca Adi Laurentiu wrote: > Hi I got two questions about the nnet function in R. I would be thankful to > have an answer.
I don't think you have consulted the book this R code supports: please do so. > 1) Does the function intrinsically normalize the X and Y matrices before > the training, or normalization should be > done by the user. The documentation (p.247) answers that. > 2) I need to understand the $wts matrix. I do imagine that it is a single > column transformation of the two > matrices of weighs (input to hidden Ninputs+1 x Nodes) and hidden to output > (Nodes+1 x Noutputs). There are no `matrices' of weights, just weights along links in the network. See the documentation for all the details. -- Brian D. Ripley, [EMAIL PROTECTED] Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ University of Oxford, Tel: +44 1865 272861 (self) 1 South Parks Road, +44 1865 272866 (PA) Oxford OX1 3TG, UK Fax: +44 1865 272595 ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
