[R] division of decimal number
Prof Brian Ripley
ripley at stats.ox.ac.uk
Thu Apr 19 18:39:26 CEST 2007
On Thu, 19 Apr 2007, Gavin Simpson wrote:
> On Wed, 2007-04-18 at 16:06 +0100, Barry Rowlingson wrote:
>> Schmitt, Corinna wrote:
>>> Dear R-Experts,
>>>
>>> how can I divide the number 0.285 with 2. I need a function.
>>> Result: 0.285 / 2 = 0.1425
>>
>> Just get the / operator:
>>
>> > divide = get("/")
>> >
>> > divide(0.285,2)
>> [1] 0.1425
>>
>> Is that what you want?
>>
>> Barry
>
> You can use the function directly, by quoting it:
>
>> "/"(0.285, 2)
> [1] 0.1425
Quoting by `` is preferred nowadays because that will work in more places
than "" does: see ?Quotes. For example
divide <- `/`
simplfies Baz's expression, and is not the same as divide <- "/".
--
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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