All,
I have some data of animal movements that I'm plotting using xyplot() from lattice. I
want to have the date (class POSIXct object) on the Y-axis and the animals longitude
on X-axis.
Eg.
xyplot(date ~ longitude, groups = animal, data = my.data)
with data like:
animal ptt year month day lon date
125 03P0014 13273 2003 7 10 150.38 2003-07-10 14:03:48
126 03P0192 20890 2003 7 10 151.13 2003-07-10 14:00:47
127 03P0197 30466 2003 7 10 150.74 2003-07-10 14:02:21
...etc
It all works fine except for the format of the dates that gets displayed.
I am not sure what I need to change within the lattice frame work to get a specific
date format (eg. "%Y-%-m-%d"). Does anyone have any tips or, even better, some example
code that they could pass on?
Many thanks.
Toby
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