[R] How to use as.Date (or something else) with "31-Jul-2010 23:59:00"
ggrothendieck at gmail.com
Fri Jul 29 14:28:31 CEST 2011
On Thu, Jul 28, 2011 at 6:54 PM, Eduardo M. A. M.Mendes
<emammendes at gmail.com> wrote:
> Many thanks.
> Sorry for not replying earlier but I have followed advice and read as much
> documentation as I could.
> I managed to get a zoo object the way I want
> dadoszoo : 'zoo' series from 2010-06-27 to 2010-08-05
> Data: num [1:56161, 1:14] 74 74.2 74.2 74.1 73.9 ...
> Index: POSIXct[1:56161], format: "2010-06-27 00:00:00" "2010-06-27
> 00:01:00" ...
> I did not manage to get plot.zoo to give x-axis a nice format (I only got
> Jun 30 Jul10 Jul 20 Jul 30). I guess the way to change it is the
> documentation too but I am yet to find it.
> Many thanks
Two things to try:
1. Try xyplot.zoo. See ?xyplot.zoo for a another way.
2. plot.zoo uses axis from the core of R to draw the axes. You can
call axiss yourself to customize as shown in the example section of
?plot.zoo. Also see ?axis
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