This has nothing to do with write.table. The column names in x are
"x" and "x.1".
This is documented in the NEWS file:
o data.frame(check.names = TRUE) (the default) enforces unique
names, as S does.
Duncan Murdoch
On Mon, 25 Oct 2004 10:36:48 +0200 (CEST), [EMAIL PROTECTED] wrote:
>Full_Name: Andreas
>Version: R 2.0.0
>OS: Linux
>Submission from: (NULL) (193.174.58.148)
>
>
>R 2.0.0
>
>> x <- data.frame(x=c(1,2), x=c(1,2))
>> write.table(x, col.names=NA, sep="\t")
>"" "x" "x.1"
>"1" 1 1
>"2" 2 2
>
>
>R 1.9.1
>
>> write.table(x, col.names=NA, sep="\t")
>"" "x" "x"
>"1" 1 1
>"2" 2 2
>
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