This doesn't seem right; I'm using R version 2.4.1 (2006-12-18) on Mac OS and Win XP and find the same issue:
> mydataframe <- data.frame(ppi=c(.5,.5),mmu=c(5,10)) > dput(mydataframe,"mydataframe.txt") > dget("mydataframe.txt") Error in attributes(.Data) <- c(attributes(.Data), attrib) : row names must be 'character' or 'integer', not 'double' > mydataframe3 <- data.frame(ppi=c(.5,.5,.5),mmu=c(5,10,15)) > dput(mydataframe3,"mydataframe3.txt") > dget("mydataframe3.txt") ppi mmu 1 0.5 5 2 0.5 10 3 0.5 15 -- Peter D.M. Macdonald, D.Phil., P.Stat. Professor of Math & Statistics McMaster University Hamilton, Ontario, Canada L8S 4K1 ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel