Many thanks for that Lee,

As a student, I think would appreciate having in that script a summary of
general strategies for extracting the values from each type of object and
also for applying functions to them.

Cheers
Agus,


2013/12/26 <ldecola@comcast.net>

> you can find a first cut at presenting BASE and SPATIAL objects at :
>
> http://ldecola.net/programs/R/bestiary.R
>
> i'll be using this in spatial R workshops i conduct and would appreciate
> comments!
>
>
> Lee De Cola.
> ----- Original Message -----
> From: "Etienne B. Racine" <etiennebr@gmail.com>
> To: "Lee De Cola" <ldecola@comcast.net>
> Cc: r-sig-geo@r-project.org
> Sent: Wednesday, December 18, 2013 5:15:29 PM
> Subject: Re: [R-sig-Geo] a spatial bestiary?
>
>
>
>
> Lee, I share your confusion. Maybe something like a cheatsheet could help
> ? It's not highly structured, but it present information in a different
> way. These are two I'm aware of (I've made the last one).
>
> http://www.maths.lancs.ac.uk/~rowlings/Teaching/UseR2012/cheatsheet.html
> or
> http://www.rpubs.com/etiennebr/visualraster
>
> Etienne
>
>
>
>
> 2013/12/13 < ldecola@comcast.net >
>
>
>
>
>
> I’ve been teaching and using R (and S-PLUS) for a couple of decades, and
> using its spatial libraries for about half of that, but i still get
> confused by the various ‘geographically-aware’ data objects that are
> supported. Although Bivand’s Spatial.html page is quite helpful, I wonder
> is there a ‘bestiary’ that outlines (perhaps in some kind of tree format?)
> what they are, what geometries are represented, which libraries create or
> support them, etc.?
>
> Lee De Cola, PhD, MCP.
> DATA to Insight
> LDECOLA@COMCAST.NET
> Reston, Virginia
> 703 709 6972
> 571 315 0577 mobile
>
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>


-- 
Agustín Camacho Guerrero.
Doutor em Zoologia.
Laboratório de Herpetologia, Departamento de Zoologia, Instituto de
Biociências, USP.
Rua do Matão, trav. 14, nº 321, Cidade Universitária,
São Paulo - SP, CEP: 05508-090, Brasil.

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