Dear Kimmo, I already used df$speed[training] in df.xyf but I get this error: Error in xyf(Xtraining,factor(df$speed[training]),grid=somgrid(5, : NA/NaN/Inf in foreign function call (arg 1)
On Wednesday, June 22, 2016 3:48 AM, K. Elo <mailli...@pp.inet.fi> wrote: Hi again! 21.06.2016, 21:33, chalabi.el...@yahoo.de wrote: > Hi Kimmo, Thanks for your reply. I think now my problem is that I > don't understand what does factor(df.classes[training]) do? Sorry, my mistake, should habe been 'df$speed'. Please try the following: --- snip --- set.seed(7) training <- sample(nrow(df), 120) Xtraining<- scale(df[training,]) Xtest <- scale(df[-training,], center = attr(Xtraining, "scaled:center"), scale = attr(Xtraining, "scaled:scale")) xyf.df <- xyf(Xtraining, factor(df$speed[training]), grid = somgrid(5, 5, "hexagonal")) --- snip --- HTH, Kimmo ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
