"sum" (and perhaps other functions?) allows partial argument name matching after its three-dots argument:
> sum(1:4, NA, n=78, na.rm=FALSE) [1] 10 > sum(1:4, NA, n=78, na.rm=TRUE) [1] 11
I can see there could be a discussion about whether or not this is a bug, but I think all will agree that it's a might peculiar.
This is done in 2.0.1 but the same behavior is in 1.8.1.
> version
_ platform i386-pc-mingw32
arch i386 os mingw32 system i386, mingw32 status major 2 minor 0.1 year 2004 month 11 day 15 language R
Patrick Burns
Burns Statistics [EMAIL PROTECTED] +44 (0)20 8525 0696 http://www.burns-stat.com (home of S Poetry and "A Guide for the Unwilling S User")
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