sp package mainly provides classes and methods for spatial data while
spatstat provides some statistical tools for analyzing spatial phenomena
(point processes). You can access help files for both packages by entering
commands ?sp and ?spatstat into your R console.

If you're having trouble installing packages, you can bet you can find a
solution in the archives of
R-help<http://r.789695.n4.nabble.com/R-help-f789696.html>.
I find StackOverflow <http://stackoverflow.com/questions/tagged/r> perfect
for coding questions in general. More specific questions should probably be
directed to specific lists like this one. Also, there's crossvalidated.com.
You might find it interesting.


Cheers,
Roman



On Fri, Feb 25, 2011 at 5:10 PM, Rich Shepard <rshepard@appl-ecosys.com>wrote:

>  I'm brand-new to R and my specific interest is spatial statistics and the
> integration of R and GRASS. I just bought a copy of "Applied Spatial
> Analysis with R" and have started reading it.
>
>  I've used GRASS on linux since the mid-1990s (and Microsoft-based GIS
> since the mid-1980s) and statistics in my academic and real-world work
> since
> the the early 1970s, so my ignorance is specific to R and spatial
> statistics
> with it. I'm a stream ecologist/fluvial geomorphologist, run my own
> consultancy, and focus on the natural resource industries.
>
>  The book references the sp package and I find another called spatstat.
> What are the differences between them?
>
>  I've also just signed up to subscribe to the R-help mail list because I
> need to learn how to install packages (the instructions in the book for
> ctv,
> and those I found on someone's Web site) aren't working for me.
>
>  While I'll be asking a lot of questions at first I expect to be providing
> answers and insights before too long.
>
> Rich
>
> _______________________________________________
> R-sig-Geo mailing list
> R-sig-Geo@r-project.org
> https://stat.ethz.ch/mailman/listinfo/r-sig-geo
>



-- 
In God we trust, all others bring data.

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