Also, presumably is.na<- could be redefined by the user for particular classes so if you got in the habit of setting NAs that way it would generalize better.
--- Date: Wed, 8 Oct 2003 11:49:29 +0100 (BST) From: Prof Brian Ripley <[EMAIL PROTECTED]> I don't think it can ever `go wrong', but it can do things other than the user intends. The intention of is.na<- is clearer, and so perhaps user error is less likely? That is the thinking behind the function, anyway. _______________________________________________ No banners. No pop-ups. No kidding. Introducing My Way - http://www.myway.com ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help