[R-sig-Geo] Error in Universal Kriging with 2nd order trend in geoR

2016-02-09 Thread GEMA FERNANDEZ-AVILES CALDERON
Dear list, I have two problems related with UK in geoR package. Q1) I can't perform UK with a 2nd order trend. The krige.conv() and ksline() functions reports me the same error all the time. Q2) I can't understand how carrying out an UK with 1st order trend and choosing moving neighborhood of

[R-sig-Geo] Universal kriging with geoR

2015-10-03 Thread GEMA FERNANDEZ-AVILES CALDERON
Dear list, I have a computational error and I can not found the solution... I would like to perform an Universal Kriging with geoR. I have a geodata object: log(price), long, lat and pollution, but 'krige.conv' and 'ksline' functions give me the same error: system is computationally singular.

[R-sig-Geo] error in splm()

2015-01-22 Thread GEMA FERNANDEZ-AVILES CALDERON
Dear list: I'm new in spatial panel data. I try to do a simple model but I have the following error in splm library. Please, could you help me? Best, Gema * ## Read the data library(splm) library("spdep") madrid

Re: [R-sig-Geo] Errror in 3D s-t variogram {variogramST} gstat

2013-02-22 Thread GEMA FERNANDEZ-AVILES CALDERON
eve we caught this bug; it should be resolved in 1.0-17, the development version of which can be downloaded from r-forge: https://r-forge.r-project.org/R/?group_id=378 On 02/22/2013 03:55 PM, GEMA FERNANDEZ-AVILES CALDERON wrote: > Dear list: > > I'm trying to fit a spatio-temporal vari

[R-sig-Geo] Errror in 3D s-t variogram {variogramST} gstat

2013-02-22 Thread GEMA FERNANDEZ-AVILES CALDERON
Dear list: I'm trying to fit a spatio-temporal variogram model in gstat. I'm reading: http://cran.r-project.org/web/packages/gstat/vignettes/st.pdf My dataset is: CO, 23 Monitoring stations (irregular), 24 hours. I create a STFDF object and it looks fine, but when I try to create a variogramST,

[R-sig-Geo] gstat() Median polish

2012-07-02 Thread GEMA FERNANDEZ-AVILES CALDERON
Dear list, I'm using the coal ash percentage data to perform a median polish kriging. Why the the residuals are different from data-overall effect-row effect-column effect? library(gstat) data(coalash) coal.mat <- tapply(coalash$coalash, list(factor(coalash$x),factor # percentages

[R-sig-Geo] geoR -- block kriging

2012-06-14 Thread GEMA FERNANDEZ-AVILES CALDERON
Dear list, I would like to know hoy to run block kriging with geoR. It is possible? What is the function? Thanks in advance, Gema Gema Fernández-Avilés Department of Statistics Faculty of Law and Social Sciences University of Castilla-La Mancha at Toledo http://www.uclm.es/profesorado/ge

[R-sig-Geo] geoR -- krweights()

2012-05-09 Thread GEMA FERNANDEZ-AVILES CALDERON
Dear list: I would like to compute the weights in Ordinary Kriging. I try to predict only in one point, and know the OK weights but I have the following error (please, see ## (1) ##). Also, I try to reply the example code but I have some errors (please, see ## (2) ##) I am using geoR version

Re: [R-sig-Geo] geoR -- bins in experimental semivariogram

2012-04-30 Thread GEMA FERNANDEZ-AVILES CALDERON
/ -Mensaje original- De: r-sig-geo-boun...@r-project.org en nombre de Tom Gottfried Enviado el: lun 30/04/2012 7:47 Para: r-sig-geo@r-project.org Asunto: Re: [R-sig-Geo] geoR -- bins in experimental semivariogram Gema, Am 29.04.2012 11:50, schrieb GEMA FERNANDEZ-AVILES CALDERON: > Paulo, thank

Re: [R-sig-Geo] geoR -- bins in experimental semivariogram

2012-04-29 Thread GEMA FERNANDEZ-AVILES CALDERON
aulo...@c3sl.ufpr.br] Enviado el: sáb 28/04/2012 17:01 Para: GEMA FERNANDEZ-AVILES CALDERON CC: Tom Gottfried; r-sig-geo@r-project.org Asunto: Re: [R-sig-Geo] geoR -- bins in experimental semivariogram Gema the varigram distances are gruped in classes (simular to what is done with an histogram)

Re: [R-sig-Geo] geoR -- bins in experimental semivariogram

2012-04-28 Thread GEMA FERNANDEZ-AVILES CALDERON
ins in experimental semivariogram Please express in R what you have done (see http://www.r-project.org/posting-guide.html) Am 27.04.2012 12:13, schrieb GEMA FERNANDEZ-AVILES CALDERON: > > Dear list: > > I have a 5x5 regular grid 100x100. When constructing the experimental > semivariog

[R-sig-Geo] geoR -- bins in experimental semivariogram

2012-04-27 Thread GEMA FERNANDEZ-AVILES CALDERON
Dear list: I have a 5x5 regular grid 100x100. When constructing the experimental semivariogram using gerR() I expected to have 14 different distances. However, I obtained 10 semivariogram points corresponding to 10 bins. - Which is exactly a bin? - Which is the bin correspondence wiht the 14

[R-sig-Geo] Logit model in R commander

2011-04-11 Thread GEMA FERNANDEZ-AVILES CALDERON
Dear all, I am trying to use logit model with R commander, but in my version R.2.10.0 this option is not available. Do you know what is the problem? Thank you very much, Best, Gema Gema Fernández-Avilés Department of Statistics Faculty of Law and Social Sciences University o

[R-sig-Geo] School in Spatial Econometrics

2011-03-14 Thread GEMA FERNANDEZ-AVILES CALDERON
Dear all, An International School in Spatial Econometrics "International Autumn School in Spatial Econometrics : Focal Themes" will be held: 22-24 September 2011 in Toledo (Spain), jointly organised by the George Mason University (J. Paelinck) and the University of Castilla la Mancha (J.

[R-sig-Geo] shapefiles + plot

2011-01-18 Thread GEMA FERNANDEZ-AVILES CALDERON
Dear all: first of all, thank you very much for helping me to solve the doubts I wrote you in the previous mail. I've a shapefiles with some variables and I would like to plot a map with the basic descriptives of the variable. How Can I do it? I am tryining to use "readOGR", but I don't kno

[R-sig-Geo] SHAPEFILES + DATABASES

2011-01-11 Thread GEMA FERNANDEZ-AVILES CALDERON
Dear all, first Happy 2011! I have two diferent files: - on the one hand a shapefile ( *.dbf, *,shp, *.shx) for a city and, -on the other hand different variables (*.csv or *.txt) for each district. I would like to joint the district with its variables for study its characteristics but