I am not sure to understand your problem, but it seems to me that you
can use directly the function on the range of the dates:
> x=as.Date(c('2007-01-01','2007-01-02'))
> fff=function(x){y=x+1;return(y)}
> fff(x)
[1] "2007-01-02" "2007-01-03"
> class(fff(x))
[1] "Date"
Perhaps your function use a different input (not a vector of dates but a
dataframe)?
domenico vistocco
Ranjan Bagchi wrote:
> On Wed, 5 Dec 2007, Prof Brian Ripley wrote:
>
>> [...]
>>
>
> Thanks I'll read it more carefully.
>
>
>> Perhaps if you told us what you are trying to achieve we might be able to
>> help you achieve it.
>>
>>
>
> I have a function which takes a date as an argument. I've tested it, and
> I'd like to run it over a range of dates. So I'm looking at apply- or
> map- type functions.
>
>
>> --
>> Brian D. Ripley, [EMAIL PROTECTED]
>> 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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