[R] round() and negative digits

[Rolf Turner]

On 09/10/11 10:39, Duncan Murdoch wrote:
> On 11-10-08 5:32 PM, Rolf Turner wrote:
>> On 09/10/11 00:18, Duncan Murdoch wrote:
>>> On 11-10-07 5:26 PM, Carl Witthoft wrote:
>>>> Just wondering here -- I tested and found to my delight that
>>>>
>>>> %  round(325.4,-2)
>>>> [1] 300
>>>>
>>>> gave me exactly what I would have expected (and wanted).  Since 
>>>> it's not
>>>> explicitly mentioned in the documentation that negative 'digits' is
>>>> allowed, I just wanted to ask whether this behavior is intentional 
>>>> or a
>>>> happy turn of events.  I'm always paranoid that something not 
>>>> explicitly
>>>> documented might disappear in future revisons.
>>>>
>>>
>>> It is intentional, and one of the regression tests confirms that it's
>>> there, so it won't disappear by mistake, and would be very unlikely to
>>> disappear intentionally.
>>
>> Uh, wouldn't it be *nice* to mention this --- not completely obvious ---
>> capability
>> in the help file?
>
> If we told you all of R's secrets, we'd have to kill you.

Fortune nomination?

     cheers,

         Rolf