Re: [R-sig-Geo] spplot question in sp_0.9-98

2012-04-04 Thread Mauricio Zambrano-Bigiarini
2012/4/3 Edzer Pebesma edzer.pebe...@uni-muenster.de: Thanks for notifying this. Removing the cex=.7 solves this, as does replicating cex, as in spplot(meuse, c(cadmium, copper, lead, zinc), do.log = TRUE, key.space = right, as.table = TRUE, sp.layout=list(rv, scale, text1, text2, arrow),

Re: [R-sig-Geo] Comparing Estimating Spatial Simultaneous Autoregressive Models Using spautolm and lagsarlm functions

2012-04-04 Thread Roger Bivand
On Wed, 4 Apr 2012, Roosbeh Nowrouzian wrote: Hi dear List members: I estimated a Spatial Simultaneous Auto-regressive Model using spautolm [ family=SAR] and lagsarlm [type=lag].The estimated coefficients are approximately equal but the Lambda estimated are somehow different. These do not

Re: [R-sig-Geo] read shapefile into R larger than 2GB

2012-04-04 Thread Rainer M Krug
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 03/04/12 20:44, Carlos Valenzuela wrote: Hello all, I was hoping someone may be able to help me with this problem. I am trying to read a shapefile into R that is larger than 2GB. I?ve tried In my opinion, a 2GB shape file is insane Is the

[R-sig-Geo] Image Classification - Wish List?

2012-04-04 Thread Eric Momsen
Hello all, I'm looking for some feedback and ideas regarding the need to improve image classification abilities in GRASS GIS.  My understanding is that since the required classification techniques aren't available in GRASS, the researchers doing that work are found elsewhere.  Hopefully this is a

Re: [R-sig-Geo] Image Classification - Wish List?

2012-04-04 Thread Rainer M Krug
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 04/04/12 14:16, Eric Momsen wrote: Hello all, I'm looking for some feedback and ideas regarding the need to improve image classification abilities in GRASS GIS. My understanding is that since the required classification techniques

Re: [R-sig-Geo] read shapefile into R larger than 2GB

2012-04-04 Thread Carlos Valenzuela
Thank you all for your replies. Rainer - In regards to the size of the .shp, it is due to the .dbf file. There are over 500,000 cases (for the entire city). Now the kicker is that we also want to include more data in the future. But, it seems like that we would be even more difficult as all of

Re: [R-sig-Geo] Image Classification - Wish List?

2012-04-04 Thread Eric Momsen
On Wed, Apr 4, 2012 at 7:27 AM, Rainer M Krug r.m.k...@gmail.com wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 04/04/12 14:16, Eric Momsen wrote: An interface like this would help your work tremendously, as it would make the linking much easier. Nevertheless, I have no

Re: [R-sig-Geo] Transform decimal degrees units in km - ReadOGR owin{spatstat}

2012-04-04 Thread Aurelie C.Godin
Thanks for the hint Tom, I did came across this post previously: http://r-sig-geo.2731867.n2.nabble.com/readOGR-default-unit-td7337370.html http://r-sig-geo.2731867.n2.nabble.com/readOGR-default-unit-td7337370.html This is what I've done so far, but I don't understand why/if I need to do so.

[R-sig-Geo] error calling gstat::idw.locations

2012-04-04 Thread Anthony Fischbach
I receive the following error after issuing the function call below with the following objects. Please advise. Objects ## ## NARR a SpatialPointsDataFrame containing values to be interpolated coordinatesvalue 1(-170.312, 70.5) 1.141060 2(-170.125, 70.5) 1.128586 3

[R-sig-Geo] problem when cropping soil layers

2012-04-04 Thread Agus Camacho
Dear list, For first time after using it several times, I had warnings using the crop function with a raster stack from soil layers in format geotiiff derived from the HWSD. http://spatial-analyst.net/wiki/index.php?title=Global_datasets#Soil.2Fgeology_maps specifically, when: soil=crop(soil,

Re: [R-sig-Geo] error calling gstat::idw.locations

2012-04-04 Thread Anthony Fischbach
Thank you! That solved it. loc.idw - idw(value~1, NARR, loc, idp = 1.0, debug.level = 1) [inverse distance weighted interpolation] loc.idw coordinates var1.pred var1.var 1 (-170.27, 70.6) 1.268308 NA - Tony Fischbach, Wildlife Biologist Walrus Research Program Alaska

Re: [R-sig-Geo] problem when cropping soil layers

2012-04-04 Thread Sarah Goslee
I think that should be: On Wed, Apr 4, 2012 at 12:51 PM, Agus Camacho agus.cama...@gmail.com wrote: Dear list, For first time after using it several times, I had warnings using the crop function with a raster stack from soil layers in format geotiiff derived from the HWSD.

Re: [R-sig-Geo] problem when cropping soil layers

2012-04-04 Thread Robert J. Hijmans
Agus, I think you can ignore this warning, but better still would be to run update.packages() or at least update the raster package, as I think the warning goes away after you do that. Robert On Wed, Apr 4, 2012 at 9:51 AM, Agus Camacho agus.cama...@gmail.com wrote: Dear list, For first

Re: [R-sig-Geo] problem when cropping soil layers

2012-04-04 Thread Agus Camacho
Thanks Sarah and Robert, The hint from Sarah worked fine, but im also going to upgrade. Cheers Agus El 4 de abril de 2012 15:27, Robert J. Hijmans r.hijm...@gmail.comescribió: Agus, I think you can ignore this warning, but better still would be to run update.packages() or at least

[R-sig-Geo] (no subject)

2012-04-04 Thread fernando del bon
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[R-sig-Geo] Error in Moran.test: In sqrt(VI) : NaNs

2012-04-04 Thread Fabricio Vasselai
Dear list, Maybe someone can shed some light on this error. I have a dataset with thousands of candidates with electoral support per city. I wrote a R script to calculate both Moran.test and Moran.MC (9 iterations), and also Geary C test. The script run very fine, but at the end I have