Re: [R-sig-Geo] about "moran's I test"?

On Wed, 7 Feb 2007, Zhang Jian wrote: > I want to do "moran's I test" in R language. I try to use "gearymoran" in > Package "ade4","moran" in Package "spdep", and Moran.I in Package "ape". But > I do not know how to do it because data format is different. Please state clearly what the points are

[R-sig-Geo] about "moran's I test"?

I want to do "moran's I test" in R language. I try to use "gearymoran" in Package "ade4","moran" in Package "spdep", and Moran.I in Package "ape". But I do not know how to do it because data format is different. My data: xy dbh 111.0310.7 7 118.110.28 1.2 165

Re: [R-sig-Geo] GIS Tasks in R

On Tue, 6 Feb 2007, Tim Keitt wrote: > In addition to Rogers advise, you might take a peek at the functions > available in postgis. Once you have polys in the postgis database, you > can do quite a lot of geometry ops by eg "select intersection(poly1, > poly2) from tabname" and so on. There's some

Re: [R-sig-Geo] GIS Tasks in R

In addition to Rogers advise, you might take a peek at the functions available in postgis. Once you have polys in the postgis database, you can do quite a lot of geometry ops by eg "select intersection(poly1, poly2) from tabname" and so on. There's some grunt work involved. Its certainly not pointy

Re: [R-sig-Geo] GIS Tasks in R

On Tue, 6 Feb 2007, CJ Jackson wrote: > Hi everyone, > > I'm currently working on my PhD (geology) and would like to explore the > possible GIS capabilities of R. I currently use ESRI's ArcView (3.x), > ArcGIS (9.1), and ArcInfo (9) software for all of my GIS work. I have > written an "exten

[R-sig-Geo] GIS Tasks in R

Hi everyone, I'm currently working on my PhD (geology) and would like to explore the possible GIS capabilities of R. I currently use ESRI's ArcView (3.x), ArcGIS (9.1), and ArcInfo (9) software for all of my GIS work. I have written an "extension" for the old ArcView that performs various an

Re: [R-sig-Geo] export from adf to dat

On Tue, 6 Feb 2007, Maria Fantappiè wrote: > Hallo to everybody, > > I need to know how to export a file .adf (that is a DEM) to the ascii > format (.dat), Perhaps just use gdal_translate from AIG to AAIGrid: http://www.gdal.org/gdal_translate.html Or any ESRI product? The rgdal package for R

[R-sig-Geo] export from adf to dat

Hallo to everybody, I need to know how to export a file .adf (that is a DEM) to the ascii format (.dat), thank you, Maria [[alternative HTML version deleted]] ___ R-sig-Geo mailing list R-sig-Geo@stat.math.ethz.ch https://stat.ethz.ch/mailman