>>>>> Martin Maechler
>>>>> on Fri, 22 Mar 2024 11:17:34 +0100 writes:
>>>>> Davis Vaughan via R-devel
>>>>> on Thu, 21 Mar 2024 15:10:29 -0400 writes:
>> Hi all,
>> I recently learned that it is possible for
>> `as.data.frame.matrix()` to produce a data frame with 0
>> columns that is also entirely missing a `names`
>> attribute, and I think this is a bug:
>> ``` # No `names`, weird!
>> attributes(as.data.frame(matrix(nrow = 0, ncol = 0))) #>
>> $class #> [1] "data.frame"
>> #>
>> #> $row.names #> integer(0)
>> # This is what I expected attributes(data.frame()) #>
>> $names #> character(0)
>> #>
>> #> $row.names #> integer(0)
>> #>
>> #> $class #> [1] "data.frame" ```
>> In my experience, 0 column data frames should probably
>> still have a `names` attribute, and it should be set to
>> `character()`.
> I agree.
> A (very nice IMO) patch I'm currently testing is
> 317c317
> < names(value) <- collabs
> ---
> > names(value) <- collabs %||% character()
Commited to R's (R-devel) sources in svn rev 86169 .. to
become R 4.4.0 soonish.
Martin
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