In R 1.9.0, make.names will accept "_" as a valid character for a syntactically valid name.
I would appreciate to have an option in ``read.delim'' (etc.) that would change "_" in headers of input files to "." for compatibility with code and data written for R 1.8.1 and before. Wolfram Fischer ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-devel
