> Just for clarification, my interest was only to provide an > alternative that provided for a more generic approach, at > least in a narrow application, not that I was advocating it's > need.
Understood, apologies for falsely implying your advocation. > I would agree with Prof. Ripley's comments, that one needs to > be quite careful in manipulating factors in this fashion, not > the least of which would be ordered factors, which have not > been considered here and could/would introduce their own > idiosyncrasies in this context. I agree with that of course. > If something like this gets implemented (ie. concat()) one > would need to fully understand the behavioral subtleties and > the nature of the results, lest naive users find themselves > in the potential presence of cascading errors. Agree with that too. ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel