Re: [R-sig-Geo] write.asciigrid

2006-05-09 Thread Zev Ross
Title: Untitled Document Hi Roger and Andy, Thanks for the help. I'm using ArcGIS 9.1. writeGDAL works as promised. The one odd behavior was the initial display in ArcGIS once I first added the two bands. Using the "stretched" classification, the map initially looked all black. Under propertie

Re: [R-sig-Geo] How to improve calculation time of spatial weight matrices on spdep

2006-05-09 Thread Roger Bivand
On Tue, 9 May 2006, Hisaji ONO wrote: > Hello. > > Currently, among GeoComputaion community in Japan, > GeoDa's calculation speed of spatial weight matrices of > polygons are highly evaluated. > > Any idea to improve this of spdep? > Further to my previous message, the next release of spdep

Re: [R-sig-Geo] How to improve calculation time of spatial weight matrices on spdep

2006-05-09 Thread Roger Bivand
Hisaji: On Tue, 9 May 2006, Hisaji ONO wrote: > Hello. > > Currently, among GeoComputaion community in Japan, > GeoDa's calculation speed of spatial weight matrices of > polygons are highly evaluated. > > Any idea to improve this of spdep? > At present poly2nb() uses two steps, first to tr

[R-sig-Geo] How to improve calculation time of spatial weight matrices on spdep

2006-05-09 Thread Hisaji ONO
Hello. Currently, among GeoComputaion community in Japan, GeoDa's calculation speed of spatial weight matrices of polygons are highly evaluated. Any idea to improve this of spdep? Regards. ___ R-sig-Geo mailing list R-sig-Geo@stat.math.ethz.ch h