I recommend that you use RExcel to get your files directly from the xls or xlsx file into R. RExcel correctly transfers dates from Excel to R.
rcom.univie.ac.at for full information. You can begin with the RExcelInstaller package from CRAN. Rich [[alternative HTML version deleted]] ______________________________________________ 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.