Martin Maechler wrote:
> Gregor Gorjanc bfro.uni-lj.si> writes:
>
>
>>Hello!
>>
>>Data.frames have new rownames funcionality, however in use of colnames<-
>>in R-devel "changes" this. Here is the example:
>>
>>
>>>df1 <- data.frame(letters[1:5])
>>>attributes(df1)
>>
>>$names
>>[1] "letters.1.5.
Martin Maechler r-project.org> writes:
...
> because colnames() and rownames() work via dimnames(), and so do
> "colnames<-" and "rownames<-" ---
> I think it would be unwise to change this, since it's well documented
> property of these functions.
>
> As you noted yourself, using names()
Gregor Gorjanc bfro.uni-lj.si> writes:
>
> Hello!
>
> Data.frames have new rownames funcionality, however in use of colnames<-
> in R-devel "changes" this. Here is the example:
>
> > df1 <- data.frame(letters[1:5])
> > attributes(df1)
> $names
> [1] "letters.1.5."
>
> $row.names
> [1] 1 2 3 4
Hello!
Data.frames have new rownames funcionality, however in use of colnames<-
in R-devel "changes" this. Here is the example:
> df1 <- data.frame(letters[1:5])
> attributes(df1)
$names
[1] "letters.1.5."
$row.names
[1] 1 2 3 4 5
$class
[1] "data.frame"
> colnames(df1) <- "bla"
> attributes(d
