[R] Week of the Year date conversion

[Prof Brian Ripley]

On 15 Dec 2003, Peter Dalgaard wrote:

> Neither of those definitions coincide with ISO, BTW.

ISO 8601 week of the year (as distinct from ISO C where these come from)  
is %V, of course.

R-devel has an extended (relative to 1.8.1) description in ?strptime

-- 
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)
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