Try: as.vect = function(x)
{ t1 = as.matrix(x) t2 = aperm(t1) t3 = as.vector(t2) return(t3) } This function converts entire dataframe into a vector. Alexander Pui PhD Candidate in Hydroclimatology, University of New South Wales Email: [EMAIL PROTECTED] ______________________________________________ R-help@r-project.org mailing list 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.