[R] Extracting future and past workday dates

Sergey Goriatchev sergeyg at gmail.com
Thu Aug 5 14:42:17 CEST 2010


Thank you David, will check it out, as I use chron and zoo!

Regards,
Sergey

On Thu, Aug 5, 2010 at 14:29, David Winsemius <dwinsemius at comcast.net> wrote:
>
> On Aug 5, 2010, at 8:09 AM, Sergey Goriatchev wrote:
>
>> Hi, Henrique
>>
>> Thank you for trying, but that is not what I want. You get WEEKdays, I
>> need WORKdays, and preferably sorted in order from future to the past.
>
> Perhaps you would be pleased to know that there is an is.holiday function in
> chron:
>
> http://finzi.psych.upenn.edu/R/library/chron/html/is.holiday.html
>
> --
> David.
>
>>
>> Best,
>> Sergey
>>
>> On Thu, Aug 5, 2010 at 14:06, Henrique Dallazuanna <wwwhsd at gmail.com>
>> wrote:
>>>
>>> Try this:
>>>
>>> c(Sys.Date() + 0:3, Sys.Date() - 0:3)
>>>
>>> or
>>>
>>> 0:3 %*% matrix(c(1, -1), ncol = 2) + Sys.Date()
>>>
>>> On Thu, Aug 5, 2010 at 8:36 AM, Sergey Goriatchev <sergeyg at gmail.com>
>>> wrote:
>>>>
>>>> Hello everyone
>>>>
>>>> I need to extract a vector of (t-3) to (t+3) dates, only working days.
>>>> How can I do that?
>>>>
>>>> For today I need a vector:
>>>> 10.08.210
>>>> 09.08.2010
>>>> 06.08.2010
>>>> 05.08.2010
>>>> 04.08.2010
>>>> 03.08.2010
>>>> 02.08.2010
>>>>
>>>> Regards,
>>>> Sergey
>>>>
>>>> --
>>>> Kniven skärpes bara mot stenen.
>>>>
>>>> ______________________________________________
>>>> R-help at r-project.org mailing list
>>>> https://stat.ethz.ch/mailman/listinfo/r-help
>>>> PLEASE do read the posting guide
>>>> http://www.R-project.org/posting-guide.html
>>>> and provide commented, minimal, self-contained, reproducible code.
>>>
>>>
>>>
>>> --
>>> Henrique Dallazuanna
>>> Curitiba-Paraná-Brasil
>>> 25° 25' 40" S 49° 16' 22" O
>>>
>>
>>
>>
>> --
>> Kniven skärpes bara mot stenen.
>>
>> ______________________________________________
>> R-help at r-project.org mailing list
>> https://stat.ethz.ch/mailman/listinfo/r-help
>> PLEASE do read the posting guide
>> http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>
> David Winsemius, MD
> West Hartford, CT
>
>



-- 
Kniven skärpes bara mot stenen.



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