Hello List, It seems that stack() does not include factors. Any easy way of "stacking" factors in a dataframe without recoding to numbers?
Thanks Herry -------------------------------------------- Alexander Herr - Herry CSIRO Sustainable Ecosystems: http://www.cse.csiro.au/ -------------------------------------------- [[alternate HTML version deleted]] ______________________________________________ [EMAIL PROTECTED] mailing list http://www.stat.math.ethz.ch/mailman/listinfo/r-help
