R help - Apr 2005 - hex format

Hello world:
	Has anyone used hex notation within R to represents integers?
        	Cheers,
		Steve Vejcik

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.

-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

> From: 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".
You don't seem to get the point.  as.numeric() is a function that _returns_
a _value_.  How you want that _value_ to be _shown_ is a different matter.
Would you substitute `I gave the money to the cashier' with `I showed the
money to the cashier'?

Andy

 
> > > 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.
> > >
> > >
> 
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> 
> 
>