[Rd] order() and sort() on single row data.frames

[Kurt Hornik]

>>>>> Benjamin Becker writes:

> Hi,
> not sure whether this belongs here or has been reported/asked before.

> In the current R devel the behavior of order() and sort() on data.frames 
> with a single row has changed.

> Before (release):

>> sort(data.frame("b", "a"))
>    X.a. X.b.
> 1    a    b

> Now (devel):

>> sort(data.frame("b", "a"))
>    X.b.
> 1    b

> I did not find any specific documentation in the daily news log on
> this.

Work in progress.  Likely this will become an error: ? sort clearly says
it does not work on data frames.

Best
-k

> Thanks,
> Benjamin

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