> From: Uwe Ligges > > Mag. Ferri Leberl wrote: > > Dear everybody! > > I have load a list A of numbers and want a histogram to be drawn. > > on > > hist(Y) > > the Machine returns: > > Error in hist.default(A) : `x' must be numeric > > I found out, that the list is of type data.frame. > > Y<-as.numeric(Y) > > returns > > Error in as.double.default(A) : (list) object cannot be > coerced to double > > What schould I do? > > Than you in advance! > > Extract the relevant vector from your data frame Y (this is a very > prbably guess).
I suspect Ferri might have the numbers in one line in a file, and read them into R with read.table(). That would put the numbers into a data frame with n variables and one observation. If that's the case, just replacing read.table() with scan() should do it. Andy > Uwe Ligges > ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
