[R] years from as.POSIXlt

Prof Brian Ripley ripley at stats.ox.ac.uk
Wed Mar 10 08:13:46 CET 2004


On Wed, 10 Mar 2004, Thomas Petzoldt wrote:

> >as.numeric(format(x, f="%j"))
> 
> which is the right code, works perfectly, too.

but the recommended procedure is on the help page ?julian, and of course 
works perfectly.  Just use 1+x$yday if you want 1-based day of the year.

-- 
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)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595




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