Hi All,

I'm starting to work with spatio temporal data, and wondered if there were
any extensions to the sp package that include a temporal component. (for
example, any classes that might contain 3 objects/data frames, one for the
spatial information, one for the temporal information, and one for the
data).

My first goals are (1) getting some basic classes together for my own narrow
set of circumstances (focus on SpatialPointsDataFrames with regular hourly
time series), and (2) getting some basic visualization together.  So far
I've used some kriging (in combination with the animation package) for
making movies of kriging predictions along with some FDA of the temporal
side (fourier series to examine the strong diurnal pattern).  It would be
nice to be able to eventually make some visualizations in a way that could
be shared with others, and I know that kml allows you to share both the raw
data and use, say, google earth to visualize the time element.

I know it sounds ambitious, but it's something I'll be working on off and on
over the next year.  I have enough data at the moment that it's worth my
while to add some structure ( (S4?) classes/methods) to my dusty decks.

If anybody is interested in collaborating or watching, I'll try and put up a
website at some point, maybe with a skeleton package.

Cheers,
Blair

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