[Rd] data types / numerative system

Prof Brian Ripley ripley at stats.ox.ac.uk
Wed Jan 16 16:46:21 CET 2008


On Wed, 16 Jan 2008, Duncan Murdoch wrote:

> On 1/16/2008 10:30 AM, AlexanderP at gmx.at wrote:
>> hello all,
>>
>> well it is a general question, surely this is written somewhere but I cannot find it.
>> where is the full list of 'shortcuts' for numerative systems?
>> (so 0x123 : hex, 123L : dec(?... or is it for a... long datatype?))
>> are there in R 'shortcuts' for data types?
>
> You want to look in the section on "Constants" of the R Language
> References (Section 3.1.1 in the PDF version in 2.6.1).

Or ?NumericConstants, linked from ?Syntax.  (The online help tends to be 
more up-to-date then that _draft_ reference manual.)

>
> In summary:  the 0x prefix indicates hex, the L suffix indicates the
> integer type.
>
> Duncan Murdoch
>
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-- 
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



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