Entirely by coincidence I just now discovered that this issue was raised in 2013 [1] with similar suggestions for improvements. My search did not initially uncover this message, so apologies for the repost which was actually a nearly 16 year later "bump" posting.
[1] https://stat.ethz.ch/pipermail/r-devel/2013-May/066727.html Regards, - Jonathan. On Mon, 11 Feb. 2019, 9:19 pm Jonathan Carroll, <j...@jcarroll.com.au> wrote: > The final two examples in ?make.unique do not appear to be relevant to > that function, namely > > rbind(data.frame(x = 1), data.frame(x = 2), data.frame(x = 3)) > rbind(rbind(data.frame(x = 1), data.frame(x = 2)), data.frame(x = 3)) > > both producing > > x > 1 1 > 2 2 > 3 3 > > (identically) on R 3.4.3 and 3.5.1. Following a brief discussion on > Twitter, Rich FitzJohn [1] identified that under R 1.8.0 (circa 2003, > around the time these examples were added) the rownames for the output > of these lines was c("1", "11", "12"). This suggests that perhaps the > example was added to demonstrate behaviour which is no longer > supported. > > A more relevant example might be > > data.frame(x = 1, x = 2, x = 3) > > producing > > x x.1 x.2 > 1 1 2 3 > > or, perhaps more in keeping with the original intention, > > rbind(data.frame(x = 1, row.names = "a"), data.frame(x = 2, row.names > = "a"), data.frame(x = 3, row.names = "a")) > > producing output with rownames c("a", "a1", "a2"). > > Regards, > > - Jonathan. > > [1] https://twitter.com/rgfitzjohn/status/1094885131532275712 > [[alternative HTML version deleted]] ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
