[R] Convert numeric value to POSIXct

Matt Pocernich pocernic at rap.ucar.edu
Thu Jan 23 00:42:03 CET 2003


I found my error.  I was using cbind to connect a vector of POSIXct values
and numeric values.  Doing this caused the POSIXct format of the date
vector to be lost.  By correctly connecting them with data.frame, this was
not a problem.

Thanks,

Matt Pocernich
NCAR - Research Applications Program
303-497-8312

On Wed, 22 Jan 2003 ripley at stats.ox.ac.uk wrote:

> You can't safely.  Why do you want to do this?
>
> If there is a good reason,
>
>    structure(ddd, class=c("POSIXt", "POSIXct"))
>
> will work currently, with no guarantees for the future.
>
> On Wed, 22 Jan 2003, Matt Pocernich wrote:
> --
> 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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