Message-ID: <3ED54186-ACFC-4071-BE1C-778034F81DF1@comcast.net>
Date: 2016-03-12T05:50:28Z
From: David Winsemius
Subject: R-3.2.4 Mac/Linux different in < on characters
In-Reply-To: <56E3846A.5040808@oracle.com>
> On Mar 11, 2016, at 6:52 PM, Mick Jordan <mick.jordan at oracle.com> wrote:
>
> Linux:
> > x<-c("0","1");y<-c("a","-1"); x<y
> [1] TRUE TRUE
>
> Mac:
>
> x<-c("0","1");y<-c("a","-1"); x<y
> [1] TRUE FALSE
>
On a Mac (and noting the the documentation [somewhere that I cannot find right now] warns us the the collation sequence for characters is OS dependent):
require(R.oo)
charToInt("-")
#[1] 45
charToInt("1")
#[1] 49
>
> On both systems, LC_COLLATE/LC_CTYPE/LANG are set to en_US.UTF-8
>
> In Java,FWIW, I get the Mac answer if I use String.compareTo and the Linux answer if I use Collator.compareTo, but the result is consistent on Mac and Linux.
>
> Mick Jordan
>
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David Winsemius
Alameda, CA, USA