R help - Jan 2011 - Problem with uploading library

Hello.

I'm new on that forum, so I would use some help... I'm programing with R
program, have some exercise to do.

So here it goes.

1. I have to upload two  libraryes "sp" and "maptools"
2. This command is troubling me : towns <-
readShapeSpatial("OB/OB.shp")
3. When I'm pressing f5, there is an error called: Error: could not find
function "readShapeSpatial"

So, I would use some help. Thanx in advance.

Gaja
-- 
View this message in context:
http://r.789695.n4.nabble.com/Problem-with-uploading-library-tp3170455p3170455.html
Sent from the R help mailing list archive at Nabble.com.

Dear Gaja,

If "sp" and "maptools" are not already installed, you'll
need to do
that.  It is often recommended that you update your existing packages
before installing new ones.  Once that is done (or if you have
already), then you just need to load the packages, and then R will be
able to find the readShapeSpatial() function (it is in the 'maptools'
package).  Something like this should get you going:

########################
update.packages()
install.packages(c("sp", "maptools"))
require(sp)
require(maptools)
?readShapeSpatial #documentation
towns <- readShapeSpatial("OB/OB.shp")
############################

Hope that helps,

Josh


On Sat, Jan 1, 2011 at 1:25 PM, gaja <gajahorvat at hotmail.com>
wrote:
>
> Hello.
>
> I'm new on that forum, so I would use some help... I'm programing
with R
> program, have some exercise to do.
>
> So here it goes.
>
> 1. I have to upload two ?libraryes "sp" and "maptools"
> 2. This command is troubling me : towns <-
readShapeSpatial("OB/OB.shp")
> 3. When I'm pressing f5, there is an error called: Error: could not
find
> function "readShapeSpatial"
>
> So, I would use some help. Thanx in advance.
>
> Gaja
> --
> View this message in context:
http://r.789695.n4.nabble.com/Problem-with-uploading-library-tp3170455p3170455.html
> Sent from the R help mailing list archive at Nabble.com.
>
> ______________________________________________
> 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.
>


-- 
Joshua Wiley
Ph.D. Student, Health Psychology
University of California, Los Angeles
http://www.joshuawiley.com/

On 01/02/2011 04:18 PM, Joshua Wiley wrote:
> ...
> This makes me wonder if you could somehow have it return any or all layers?
>
One of the first things I did was look for a function that would return 
all the information I needed to know. I thought that "ogrInfo" might
do
the trick, but it doesn't.
>...
> When I was browsing, I ran across this whitepaper on shapefiles:
> http://www.esri.com/library/whitepapers/pdfs/shapefile.pdf
>
Thanks for that, I now know quite a bit more about shapefiles, but no 
mention of layers.
> perhaps it will be useful/mean something to you.
>
I'm a bit further down the track, I'll keep looking. Thanks.

Jim