[R] getting ISO week

[Gabor Grothendieck]

Perhaps you mean is that the definition ought be otherwise but
at least according to one standard the definition is correct:

http://www.opengroup.org/onlinepubs/009695399/functions/strptime.html

On Thu, Dec 11, 2008 at 3:01 PM, Hans W. Borchers <hwborchers at gmail.com> wrote:
> Gabor Grothendieck <ggrothendieck <at> gmail.com> writes:
>
>>
>> According to the definition in ?strptime (which is not the same as the
>> ISO definition):
>>
>> format(x, "%W") returns
>>
>> "Week of the year as decimal number (00–53) using Monday as the first
>> day of week (and typically with the first Monday of the year as day 1
>> of week 1). The UK convention."
>>
>> The first day of 2008 is a Tuesday which means that 2008 starts in week 0.
>
> Yes I read that but it is still misleading and -- I think -- incorrect.
> See <www.dateandtime.org/calendar> to find out that this is week 50 even
> in the UK.
> We would have had a lot of misplaced business meetings in our company if
> the week numbers in Great Britain, Germany, and Sweden would actually be
> different.
>
> Hans Werner
>
>> >>
>> >> ... [rest deleted]
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>>
>>
>
> ______________________________________________
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> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>