On Tue, Mar 1, 2016 at 12:48 PM, Martin Maechler
<maech...@stat.math.ethz.ch> wrote:
>>>>>> Hadley Wickham <h.wick...@gmail.com>
>>>>>> on Tue, 1 Mar 2016 09:12:00 -0600 writes:
>
> > This is admittedly minor, and you shouldn't have repeated names in a
> > data frame anyway, but:
>
> > df <- data.frame(1:3, 1:3, 1:3)
>
> > # Ok
> > setNames(df, c("x", "y", ""))
>
> > # Not ok
> > setNames(df, c("x", "", ""))
>
> > Hadley
> > --
> > http://hadley.nz
>
> This has been fixed in R-devel several months ago, but not been
> ported to R-patched, the change really being in
> format.data.frame(.) which in R-devel makes use of a quite
> smartly improved as.data.frame.list() method.
Thanks Martin!
> At the time, I was reluctant to port all these changes to
> R-patched, as they were non trivial... but indeed I did like the
> result (code, not just this case) quite a bit better.
>
> This is the log entry
> ------------------------------------------------------------------------
> r69582 | maechler | 2015-10-29 17:12:54 +0100 (Thu, 29 Oct 2015) | 2 lines
>
> PR#16580: data frames with column name "StringsAsFactors" now format and
> print correctly;
> data.frame() gains argument `fix.empty.names` and as.data.frame.list() gets
> new `cut.names`, `col.names` and `fix.empty.names`.
> ------------------------------------------------------------------------
>
>
> I'm still a bit reluctant to port this to R-patched... but may
> could be motivated ...
It's not high priority for me - I'm happy knowing that it'll be fixed in R 3.3.0
Hadley
--
http://hadley.nz
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