Re: [R-sig-Geo] GWR SDF

2006-11-13 Thread Roger Bivand
On Mon, 13 Nov 2006, Raphael Saldanha wrote: > Thanks Roger! I'm just making some tests with the method > > Take a look below, this is what I have. > > > summary(lm(V03 ~ V04 + V05, as.data.frame(x))) > > Call: > lm(formula = V03 ~ V04 + V05, data = as.data.frame(x)) > > Residuals: > Min

Re: [R-sig-Geo] GWR SDF

2006-11-13 Thread Raphael Saldanha
Thanks Roger! I'm just making some tests with the method Take a look below, this is what I have. > summary(lm(V03 ~ V04 + V05, as.data.frame(x))) Call: lm(formula = V03 ~ V04 + V05, data = as.data.frame(x)) Residuals: Min 1Q Median 3Q Max -5.909 -3.855 -3.380 -2.694 185.

Re: [R-sig-Geo] GWR SDF 2

2006-11-13 Thread Roger Bivand
On Mon, 13 Nov 2006, Raphael Saldanha wrote: > The best way to export the results to a shapefile is: > > writePolyShape(res.adpt$SDF, "nameshape") Yes, it should work, unless there are questions about the values output by gwr(). Roger > > Is not? > > -- Roger Bivand Economic Geography Se

Re: [R-sig-Geo] GWR SDF

2006-11-13 Thread Roger Bivand
On Mon, 13 Nov 2006, Raphael Saldanha wrote: > Help! > > In the SDF results, what exactly means these fields: > > sum_w > X.Intercept > V04 > V05 > X1 > X2 > X3 The spgwr package is not really intended to help people use GWR, which is not generally accepted as a technique of analysis (because i

[R-sig-Geo] GWR SDF 2

2006-11-13 Thread Raphael Saldanha
The best way to export the results to a shapefile is: writePolyShape(res.adpt$SDF, "nameshape") Is not? -- Atenciosamente, Raphael Saldanha [EMAIL PROTECTED] [EMAIL PROTECTED] * O conteúdo desta mensagem eletrônica, incluindo seus anexos, é conf

[R-sig-Geo] GWR SDF

2006-11-13 Thread Raphael Saldanha
Help! In the SDF results, what exactly means these fields: sum_w X.Intercept V04 V05 X1 X2 X3 I'm using this code: > x <- readShapePoly("domicilio_3136702.shp", IDvar = "ID_") > x.adapt.gauss <- gwr.sel(V03 ~ V06 + V07 + V08, data=x, adapt=TRUE) > res.adpt <- gwr(V03 ~ V06 + V07 + V08, data=x,

Re: [R-sig-Geo] how to do a principle component analysis with geo-referenced points

2006-11-13 Thread Hufkens Koen
Some articles: >From fields to objects: A review of geographic boundary analysis http://www.springerlink.com/content/q1kxcfqegmrmjv92/ Integrating Edge Detection and Dynamic Modeling in Quantitative Analyses of Ecological Boundaries http://www.bioone.org/perlserv/?request=get-abstract&issn=0006-