[R] hex format

[Steve Vejcik]

On Thu, 2005-04-07 at 11:06, Prof Brian Ripley wrote:
> On Thu, 7 Apr 2005, Steve Vejcik wrote:
> 
> > Thanks for your advice.  Unfortunately, your answers are inconsistent:
> > as.numeric("0x1AF0") returns a decimal value for a hex string. I'd like
> 
> You don't understand how R works:
> 
> x <- as.numeric("0x1AF0")
> 
> produces an number, not its decimal representation.  A number is a number 
> is a number irrepsective of the the base of its character representation.
> 
"as.numeric("0x1AF0") returns a decimal value for a hex string.
If you prefer, substitute the word "shows" for "returns".

> > to dothe opposite-use hex notation to represent a decimal.
> > e.g.
> >    x<-0x000A
> >    y<-0x0001
> >    x+y=0x00B
> >
> >     Cheers.
> >
> > On Thu, 2005-04-07 at 08:45, Prof Brian Ripley wrote:
> >> On Thu, 7 Apr 2005, Steve Vejcik wrote:
> >>
> >>> Hello world:
> >>> 	Has anyone used hex notation within R to represents integers?
> >>
> >> That's a spectacularly vague question.  Short answer: yes.
> >>
> >>> as.numeric("0x1AF0")
> >> [1] 6896
> >>
> >> (which BTW is system-dependent, but one person used it as you asked).
> >>
> >> PLEASE read the posting guide and try for a `smarter' question.
> >
> >