[R] Variogram (nlme) of a lme object - corSpatial element question

Dear Users, >From previous analysis (semi-variograms using package gstat), I found spatial autocorrelation in my dataset. The best fitted model to this spatial correlation structure is the Gaussian model (Spherical, Exponential, Linear tested and comparison done by Sum of Square errors). So I used

Re: [R] variogram

It probably means that your data is not in the right format. PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. If you show the data, it might help. It sounds like something is empty, but it is hard to te

[R] variogram

Hello everybody, I want to run the following R-code, but it does'nt work. > res.vgm = variogram(ertrag ~ rep, # !!! + loc = ~ xpos + ypos, # !!! + width = start.range / 10, + data = d) Error in vector("double", length) : element 2 is em

[R] Variogram fitted by Cauchy

Hi I'm using R(2.9.0) and gstat package under Windows to plot sample variograms. When I want to fit them, I don't have the possibility to choose Cauchy functions. Under Mathematica for example, we have it and it seems to be the best one to fit the variograms I have I tested the others function

[R] Variogram: Tollerance in lag and angle

Dear all, i have my dataset (x,y,zvalue) and I will change tollerance in lag and in angle of the variogram. I usa gtat and variogram. What I must change for the lag: width o cutoff?And for the angle tollerance? This is that i have: dati<-read.table("a.dat") coordx<-dati[,1] coordy<-dati[,2]

Re: [R] Variogram with Gstat

nden: dinsdag 24 maart 2009 12:45 Aan: r-help@r-project.org Onderwerp: [R] Variogram with Gstat Dear all can you help me? i have this problem: i have a dataset in a text file in a matrix of 3 columns: x, y, z where x and y are the coordinates and Z are the mesur

[R] Variogram with Gstat

Dear all can you help me? i have this problem: i have a dataset in a text file in a matrix of 3 columns: x, y, z where x and y are the coordinates and Z are the mesurements. How can i do a variogram with R? __ R-help@r-project.org mailing list https:/

Re: [R] Variogram problem

Thanks for your help, It is definitely that it is needed to me in finale, I therefore did not use the package check. I am going to try to understand step how is that now. Still thanks for your help! -- View this message in context: http://www.nabble.com/Variogram-problem-tp16953929p16958219.htm

Re: [R] Variogram problem

ble answer can be extracted from a given body of data. ~ John Tukey -Oorspronkelijk bericht- Van: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Namens Fritier Nicolas Verzonden: dinsdag 29 april 2008 9:53 Aan: r-help@r-project.org Onderwerp: [R] Variogram problem Hello, I'm french

[R] Variogram problem

Hello, I'm french and I have some difficulties in carry out the semiones under R with an aim to carry out an interpolation by krigeage. My goal is to obtain a chart of the distribution of precipitations/temperatures in Europe starting from 73 different stations (and, of course, distributed irre