[R] factor level issue after subsetting
Schreiber, Stefan
Stefan.Schreiber at ales.ualberta.ca
Tue Nov 1 22:59:48 CET 2011
An embedded and charset-unspecified text was scrubbed...
Name: not available
URL: <https://stat.ethz.ch/pipermail/r-help/attachments/20111101/2a11c7c4/attachment.pl>
More information about the R-help
mailing list