Re: [R-sig-Geo] RSAGA issues

2012-10-28 Thread Rainer Hurling
On 26.10.2012 09:44 (UTC+2), Ludwig Hilger wrote: > > Dear list, > > I am comparatively new to RSAGA and have come across three problems I > have not been able solve by searching on the internet. Your help would > be very much appreciated. This is SAGA 2.0.8 and R 2.15.1. > > 1. Is there a way t

Re: [R-sig-Geo] plot only cross variogram in gstat

2012-10-28 Thread Collins, Douglas Parker
Thanks! That was just what I was looking for. Doug Collins Small Farms Extension Specialist Center for Sustaining Agriculture and Natural Resources 2606 W Pioneer Puyallup, WA 98371 Office: 253-445-4658 Cell: 206-387-9569 [[alternative HTML version deleted]] _

Re: [R-sig-Geo] plot only cross variogram in gstat

2012-10-28 Thread Edzer Pebesma
plot(meuse.g.var[meuse.g.var$id == "zn.cu",], meuse.g.fit$model[[2]]) On 10/28/2012 12:49 AM, Collins, Douglas Parker wrote: > Hi All, > > I'm trying to show two cross variograms and their fitted models side-by-side. > Models and variograms are produced with the gstat function fit.lmc. I would

[R-sig-Geo] Autologistic regression

2012-10-28 Thread Mitra Devkota
Dear group,I am interested to analyze autologistic regression and now am looking for a data set (spatial data set with binary response) so that I can fit autologistic regression in R.If possible, I would prefer a data set which has not been analysed yet.Does any one direct me where I can get

Re: [R-sig-Geo] spatstat crashes R when converting tess to sp objects

2012-10-28 Thread Roger Bivand
On Sun, 28 Oct 2012, O'Hanlon, Simon J wrote: Dear Roger and Barry, Thank you so much for your, as ever, lightening fast responses. This is one of the many reasons why I love using R as a platform so much. That workaround has solved the issue for me now. Simon, With a good reproducible exam

Re: [R-sig-Geo] spatstat crashes R when converting tess to sp objects

2012-10-28 Thread O'Hanlon, Simon J
Dear Roger and Barry, Thank you so much for your, as ever, lightening fast responses. This is one of the many reasons why I love using R as a platform so much. That workaround has solved the issue for me now. Many, many thanks, Simon From: Roger Bivand [

Re: [R-sig-Geo] spatstat crashes R when converting tess to sp objects

2012-10-28 Thread Roger Bivand
On Sun, 28 Oct 2012, Barry Rowlingson wrote: On Sun, Oct 28, 2012 at 12:22 PM, O'Hanlon, Simon J wrote: Dear list, #Reproducible example I think maptools isn't coping with certain types of tess object. I can reproduce this in three lines without needing a download :) I'm seeing: Warnin

[R-sig-Geo] kriging limits

2012-10-28 Thread marco milella
Dear all, I'm a relatively new with R. However, I realized from colleagues the great capabilities of R or analyzing geo data. I'm interested in performing an ordinary kriging to interpolate z value on a world map sarting from a dataset that (unfortunately) includes rather few observations (13 loca

Re: [R-sig-Geo] spatstat crashes R when converting tess to sp objects

2012-10-28 Thread Barry Rowlingson
On Sun, Oct 28, 2012 at 12:22 PM, O'Hanlon, Simon J wrote: > Dear list, > #Reproducible example I think maptools isn't coping with certain types of tess object. I can reproduce this in three lines without needing a download :) 1, start R, use some packages: $ R --vanilla R version 2.15.1 (20

Re: [R-sig-Geo] spatstat crashes R when converting tess to sp objects

2012-10-28 Thread O'Hanlon, Simon J
>I am guessing that the cause of my problems lies within the Polygons_c file >within spatstat? Apologies, I guessed wrong here, as such a file does not exist. I now suspect (but again am not sure) that the crash is being thrown up from the sp_xports.c file from within the src directory of sp. B

Re: [R-sig-Geo] gDistance on a LARGE Spatial Object?

2012-10-28 Thread Peter Versteegen
Wouter Steenbeek nscr.nl> writes: Your problem suggests that the spatial extent is not very large. I have a similar problem with over 600,000 data points. They describe bathymetric measurements of the lake. I'm working on making contours.. Project all of your coordinates on a plane. Means that

[R-sig-Geo] spatstat crashes R when converting tess to sp objects

2012-10-28 Thread O'Hanlon, Simon J
Dear list, I am experiencing a reoccurring crash in R when trying to convert a tess object from spatstat into an sp object. It seems to occur only when I create a tess object using the dirichlet function, specifically when specifying a polygonal owin object in the window argument. I am using R 2

[R-sig-Geo] ordinary kriging problem

2012-10-28 Thread marco milella
Dear all, I'm a relatively new with R. However, I realized from colleagues the great capabilities of R or analyzing geo data. I'm interested in performing an ordinary kriging to interpolate z value on a world map sarting from a dataset that (unfortunately) includes rather few observations (less th