Re: [R-sig-Geo] merging tables by columns AND row names (coordinates)

2006-09-07 Thread Michael Sumner
Hello, I can think of a couple of simple-minded approaches that would take some time - either relying on direct string-matching for the unique coordinates, or by some contrived overlay. However, there's probably far better approaches - a couple of questions: Can you predefine the set of all uni

[R-sig-Geo] rgdal on Mac OS X 3.9

2006-09-07 Thread Jonathan Boyd Thayn
I am trying to install the rgdal package on my Mac OS X 3.9. I have installed the proj4 library and the GDAL library. I get the following error: How do I know where the GDAL libraries are located? What is their path? Thanks. * Installing *source* package 'rgdal' ... ./configure: line 1: g

[R-sig-Geo] exact ponit location of dsease and clustering problem

2006-09-07 Thread Debarchana Ghosh
Hi, I have a data set with exact locations (x,y) of West Nile Virus positive birds and mosquitoes. From what I read and understood (hopefully) in the Dcluster package, the clustering methods requires the study area to be divided into small regions and use the centroids of those constructed region

[R-sig-Geo] merging tables by columns AND row names (coordinates)

2006-09-07 Thread isidora k
Hi everyone! I have 100 tables of the form: XCOORD,YCOORD,OBSERVATION 27.47500,42.52641,177 27.48788,42.52641,177 27.50075,42.52641,179 27.51362,42.52641,178 27.52650,42.52641,180 27.53937,42.52641,178 27.55225,42.52641,181 27.56512,42.52641,177 27.57800,42.52641,181 27.59087,42.52641,181 27.60375,

Re: [R-sig-Geo] spatial autoregressive parameter space

2006-09-07 Thread Roger Bivand
On Wed, 6 Sep 2006, Griffin, Terry W wrote: > Greetings once again, > > I've been searching to explain some odd results that I'm having with > general moments (GM) estimators with the spatial error model. The > spatial autoregressive parameter lambda is outside the parameter space > and is usua