[R] R code to extract shape polygons for any state for loading into Geobugs

[Roger Bivand]

NEVER, ever, post a question on a new topic in an existing thread - see the
posting guide; you pollute the archive, and harm yourself by having your
question "disappear". For conversion of SpatialPolygons* objects to read
into WinBUGS, see ?sp2WB in the maptools package. Your question is more
appropriate for the R-sig-geo list.

Roger


Shant Ch wrote:
> 
> Hello R users,
> 
> I am fitting a spatio-temporal model for the areal data related to school 
> districts of Texas, US using geobugs. For that I need to load the polygon
> shape 
> file in geobugs.In Bradley Carlin's website there was an S-plus program
> called 
> poly.S to extract polygons for  any state in the United States in the 
> appropriate format for loading  into GeoBUGS which is no more now and that
> too 
> on S. Is there any R code to extract the polygons for all school districts
> of a 
> state in the United States or something of that type, the format which can
> be 
> used in geobugs?
> 
> Bhargab
> 
> 
> 
> 
> 
> 
> 
> ________________________________
> 
> To: r-help at r-project.org
> Sent: Thu, July 7, 2011 4:40:19 PM
> Subject: [R] subset from a dataset after comparing its one column to a
> related 
> vector
> 
> Hello R users,
> 
> I have two data sets like the following. Form of dataset:
> 
> data:
> 
>       X1       X2        X3    X4       X5
>      1902       RE        3      594        9
>       1903       RE        3     1340        7
>       1904       AA        3      760       14
>       1908       RE        4     1759       18
>       1909       EX        2      387        1
>       2901       AU        6     3116        2
>       3801       AA        1      304       29
>     3902       RE        5     2482        6
> 
> I need to select rows of a data set based on the common observations of
> X1. 
> Using intersect command I got the common observations of X1 from the two
> data 
> sets as:
> 
> common=c(1902, 1904, 1908, 1909, 3801).
> 
> Using subset command I can select portions separately. But in general if I
> am 
> given this type of dataset - "data" with large number of rows and also a
> list of 
> 
> X1 - "common" containing many elements, can anyone please let me know  how
> to 
> select portion of the data whose X1 values are same as common values.
> 
> If any questions let me know.
> 
> Shant.
>     [[alternative HTML version deleted]]
> 
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
> 
> 	[[alternative HTML version deleted]]
> 
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
> 


-----
Roger Bivand
Department of Economics
NHH Norwegian School of Economics
Helleveien 30
N-5045 Bergen, Norway

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