You are trying to fit a neural network with no connections. That makes no sense unless skip=T (as on the page you are quoting).
On Mon, 14 Jun 2004, Manoj - Hachibushu Capital wrote: > Hi, > I am trying to determine the number of units in the hidden layer > and the decay rate using the CVnn2 script found in MASS directory > (reference: pg 348,MASS-4). > > The model that I am using is in the form of Y ~ X1 + X2 + X3... > + X11 and the underlying data is time-series in nature. > > I found the MASS and nnet package extremely useful (many thanks > to the contributors). `contributors'? Do see the DESCRIPTION file: it is hardly anonymous work. > However I am getting an error while using the CVnn2 > function...it says You have not shown us the call you used, but the default arguments are size = rep(6, 2), lambda = c(0.001, 0.01) so you have used non-default args without telling us what. > Fold 1 > Size = 0, decay = 0, inner fold 1 Error in nnet.default(x,y,w,....): No > weights to fit. > > Obliviously I am doing something wrong but am not able to figure > it out. Please do re-read the basic description of neural nets and nnet(). > Do I have pass any weights? I am bit confused since the > documentation of nnet suggests says "Wts: initial parameter vector. If > missing chosen at Random". Has anybody faced the same error? I am using > the latest R version on Linux box. -- 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
