Hi. I don't know if this a bug or just annoying to me:
> x <- c(1,2,3,NA)
> table(x, exclude=NULL)
x
1 2 3 <NA>
1 1 1 1
> table(factor(x), exclude=NULL)
1 2 3
1 1 1
I don't think many people use factor(x, exclude=NULL): it is not the
default handling of character data by read.table().
Cheers, David Duffy.
--
| David Duffy (MBBS PhD) ,-_|\
| email: [EMAIL PROTECTED] ph: INT+61+7+3362-0217 fax: -0101 / *
| Epidemiology Unit, Queensland Institute of Medical Research \_,-._/
| 300 Herston Rd, Brisbane, Queensland 4029, Australia GPG 4D0B994A v
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