It seems OS-dependent. I got different results when trying it on windows
xp and Redhat linux.
> R.version
_
platform x86_64-unknown-linux-gnu
arch x86_64
os linux-gnu
system x86_64, linux-gnu
status
major 2
minor 9.1
year 2009
month 06
day 26
svn rev 48839
language R
version.string R version 2.9.1 (2009-06-26)
> sort(c("X.","X0B"))
[1] "X." "X0B"
> sort(c("X.Z","X0B.Z"))
[1] "X.Z" "X0B.Z"
> R.version
_
platform x86_64-unknown-linux-gnu
arch x86_64
os linux-gnu
system x86_64, linux-gnu
status
major 2
minor 9.1
year 2009
month 06
day 26
svn rev 48839
language R
version.string R version 2.9.1 (2009-06-26)
> sort(c("X.","X0B"))
[1] "X." "X0B"
> sort(c("X.Z","X0B.Z"))
[1] "X0B.Z" "X.Z"
On 2012-2-20 23:27, statquant2 wrote:
Ok I have :
R) str(R.Version())
List of 13
$ platform : chr "x86_64-unknown-linux-gnu"
$ arch : chr "x86_64"
$ os : chr "linux-gnu"
$ system : chr "x86_64, linux-gnu"
$ status : chr ""
$ major : chr "2"
$ minor : chr "12.2"
$ year : chr "2011"
$ month : chr "02"
$ day : chr "25"
$ svn rev : chr "54585"
$ language : chr "R"
$ version.string: chr "R version 2.12.2 (2011-02-25)"
R) sort(c("X.","X0B"))
[1] "X." "X0B"
R) sort(c("X.Z","X0B.Z"))
[1] "X0B.Z" "X.Z"
I am using a linux redHat
$ uname -a
Linux 2.6.18-238.9.1.el5 #1 SMP Fri Mar 18 12:42:39 EDT 2011 x86_64 x86_64
x86_64 GNU/Linux
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