rpeng at jhsph.edu schreef: > This is a misunderstanding, I think, not a bug. R is using partial > matching and the `2', since it is not named, is being sent through the > `...'. That is not very sensible behaviour, and it certainly doesn't explain why 2 is set equal to 3. -- Peter Kleiweg http://www.let.rug.nl/~kleiweg/