Re: [R-sig-Geo] GWR Output

2010-09-17 Thread Raphael Saldanha
tandard error, EDF = effective > degrees of freedom, but not sure if this is correct. I have checked the docs > on R and cannot seem to get any information on this. > > Cheers, > Chris > > -- > *From:* Raphael Saldanha [mailto:saldanha.plan...@gmail.com] &

Re: [R-sig-Geo] GWR Output

2010-09-17 Thread Raphael Saldanha
these headings and I cannot seem to make sense > of them given the values in the tables. Any help would be greatly > appreciated. > > Thank you in advance, > Chris > > >[[alternative HTML version deleted]] > > _______ &g

[R-sig-Geo] Region raster

2010-05-14 Thread Raphael Saldanha
s with the SRTM data (max und minimun) for each region of the other raster. Can anyone give me a hint? Regards, Raphael Saldanha Brazil saldanha.plan...@gmail.com [[alternative HTML version deleted]] ___ R-sig-Geo mailing list R-sig-Geo@stat.ma

Re: [R-sig-Geo] PCA (Factor Analysis) with R spatial

2010-04-06 Thread Raphael Saldanha
gt;[[alternative HTML version deleted]] > > ___ > R-sig-Geo mailing list > R-sig-Geo@stat.math.ethz.ch > https://stat.ethz.ch/mailman/listinfo/r-sig-geo > -- Regards, Raphael Saldanha Brazil saldanha.plan...@gmail.com [[alternative HTML version deleted]] ___ R-sig-Geo mailing list R-sig-Geo@stat.math.ethz.ch https://stat.ethz.ch/mailman/listinfo/r-sig-geo

Re: [R-sig-Geo] spatial W-matrix

2010-03-24 Thread Raphael Saldanha
gt; cell. 3496420807 > Fax +39-0382986228 > e-mail: msa...@eco.unipv.it > http://economia.unipv.it/pagp/pagine_personali/msassi/moreinfo.htm >[[alternative HTML version deleted]] > > ___ > R-sig-Geo mailing list > R-sig

Re: [R-sig-Geo] newbie questions

2009-11-15 Thread Raphael Saldanha
e most simple way is above. Personally, I use R to make the final maps only when I have to produce a long series of simple maps. I think the best way is the integration of GIS software with R, each one with his specialty. King regards, Raphael Saldanha BRAZIL saldanha.plan...@gmail.com

[R-sig-Geo] GWR and NAs

2009-10-13 Thread Raphael Saldanha
0 + le00 + ma00 + ou00, data = dados, adapt = g.adapt.gauss.00, : new data matrix rows mismatch Regards, Raphael Saldanha BRAZIL saldanha.plan...@gmail.com [[alternative HTML version deleted]] ___ R-sig-Geo mailing list R-sig-Geo@s

[R-sig-Geo] Variables inside a for

2008-12-01 Thread Raphael Saldanha
t doesn't work... lm tries to find a variable inside database named variable[i] ... Suggestions? King regards! Raphael Saldanha Brasil [[alternative HTML version deleted]] ___ R-sig-Geo mailing list R-sig-Geo@stat.math.ethz.ch https://

[R-sig-Geo] Spatial and temporal analysis

2008-11-18 Thread Raphael Saldanha
Hi! I'm looking for some introductory bibliography about modelling spatial and temporal series for areal data. Recommendations? -- King regards, Raphael Saldanha [EMAIL PROTECTED] [[alternative HTML version deleted]] ___ R-sig-Geo ma

Re: [R-sig-Geo] Models

2008-11-17 Thread Raphael Saldanha
Thanks professor! You always helps a lot! On Mon, Nov 17, 2008 at 8:36 PM, Roger Bivand <[EMAIL PROTECTED]> wrote: > On Mon, 17 Nov 2008, Raphael Saldanha wrote: > > Hi! >> >> Running some models, I'm having, pratically, the same results with the >> mo

[R-sig-Geo] Models

2008-11-17 Thread Raphael Saldanha
ror model ML residual variance (sigma squared): 42.561, (sigma: 6.5239) Number of observations: 853 Number of parameters estimated: 5 AIC: 5729.7, (AIC for lm: 6075.8) -- Regards, Raphael Saldanha [EMAIL PROTECTED] [[alternative HTML version deleted]] __

Re: [R-sig-Geo] using gwr

2008-11-11 Thread Raphael Saldanha
> sp.gauss <- gwr((tab$PERIDOSO~tab$PERREN20),data=tab,coords=mapcents, > bandwidth=sjc.bw, hatmatrix=TRUE) > > ___ > R-sig-Geo mailing list > R-sig-Geo@stat.math.ethz.ch > https://stat.ethz.ch/mailman/listinfo/r-sig-geo > -- Atenciosamente, Raphael Saldanha [EMAIL PRO

[R-sig-Geo] Instrumental Varibles

2008-11-10 Thread Raphael Saldanha
Hi! Is there any way to estimate model with instrumental variables in R? Regards, Raphael Saldanha [EMAIL PROTECTED] [[alternative HTML version deleted]] ___ R-sig-Geo mailing list R-sig-Geo@stat.math.ethz.ch https://stat.ethz.ch/mailman

[R-sig-Geo] poly2nb

2008-10-21 Thread Raphael Saldanha
Hi! As suggested, I'm using poly2nb to make queen and rook contiguity matrices, but all they are first order. How can I work with another orders? Regards, Raphael Saldanha [EMAIL PROTECTED] [[alternative HTML version deleted]] ___ R-si

[R-sig-Geo] Spatial Weights

2008-10-20 Thread Raphael Saldanha
Hi! Can I create queen or rook spatial weights with R? I'm migrating from Geoda to R, is there any good introductory text for basic functions of spatial econometrics with R ? Best regards, Raphael Saldanha [[alternative HTML version de

Re: [R-sig-Geo] Spatial Sample

2008-07-28 Thread Raphael Saldanha
> > Hi, >> >> One option is: >> >> ?spsample >> > > - which implements most of Ripley (1981, reprinted 2004, ch.3), and for > even more choice, see functions in the spatstat package for point patterns, > and the spsurvey package. > > Roger > >

[R-sig-Geo] Spatial Sample

2008-07-26 Thread Raphael Saldanha
Hi! How can I make a spatial sample? Can someone recommend theorical books and materials for this? -- Raphael Saldanha UFJF - Brazil [[alternative HTML version deleted]] ___ R-sig-Geo mailing list R-sig-Geo@stat.math.ethz.ch https

Re: [R-sig-Geo] GWR SDF

2006-11-13 Thread Raphael Saldanha
6, eq. 4.21): 4723.854 AIC (GWR p. 96, eq. 4.22): 4692.986 Residual sum of squares: 134705.6 > names(res.adpt$SDF) [1] "sum.w""X.Intercept." "V04" "V05" "gwr.R2" "X1" "X2"

[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

[R-sig-Geo] GWR SDF

2006-11-13 Thread Raphael Saldanha
dpt <- gwr(V03 ~ V06 + V07 + V08, data=x, adapt= x.adapt.gauss, hatmatrix = TRUE) -- Atenciosamente, Raphael Saldanha [EMAIL PROTECTED] [EMAIL PROTECTED] * O conteúdo desta mensagem eletrônica, incluindo seus anexos, é confidencial sendo restri

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

2006-11-11 Thread Raphael Saldanha
os resultados de modelos lineares tipo OLS com os resultados da GWR. Você está familiarizado com a GWR (Geographically Weighted Regression) ? Vamos trocar experiências! É praticamente impossível achar bilbiografia em portugues ou mesmo alguém que trabalhe com isso que fale portugues... Raphael

[R-sig-Geo] GWR Newbie

2006-11-07 Thread Raphael Saldanha
Hi, I'm using a SpatialPolygonsDataFrame object called "x" derived from a shapefile. Here is what I have: > x.adapt.gauss <- gwr.sel(PESSOAS ~ ENSFUND + ENSMEDI, data=x, adapt=TRUE) Adaptive q: 0.381966 CV score: 0 Adaptive q: 0.618034 CV score: 0 Adaptive q: 0.527864 CV score: 0 Adaptive q: 0.5

[R-sig-Geo] Newbie!

2006-06-25 Thread Raphael Saldanha
Hi! My name is Raphael Saldanha, I'm a student in Brazil. I'm using R by the first time now (and maybe my english too! hehehe), it's really a very good program for spatial data analysis. But I have some questions: 1. How can I discard some variables using princomp with a datafra