[R] Logarithm interpolation

Dear all, i want to know if in R exist a method that give a logarithm interpolation of a two columns of dates. I try to do the lm of logarithm of the dates: a<-lm(log(vettore)~log(as.numeric(pippo2[3,]))) but this is a linear correlation and not that i want. thanks giuseppe ___

[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:/

[R] (senza oggetto)

Dear all, I have a database x,y,value imported in R with read.table: dati<- read.table("dati.dat") value is a categorical data (land use) and i want to plot in the same colour the same land use. It is possible with R. Thanks a lot __ R-help@r-project.

[R] points geodata {geoR}

I used points graphic (geoR) in this way: points(zn,pt.divide=c("quintiles"), main="Location map of Zn",lambda=1,col="gray",yl="coord y",xl="coord x",x.leg=0. 3, y.leg=5.5,dig.leg=2,cex.min=0.5,cex.max=1,) Can I reduce legend characters (a sort of cex)? _

[R] (senza oggetto)

Dear all, excuse me for my simple questions: i had imported with read table a database with x, y,value and i must do variogram with gstat. can someone tell me how to do it? I read the help but I could not to obtain variogram, __ R-help@r-project.org mai

[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]

[R] oggetto gstat

Ciao a tutti ho appena iniziato ad utilizzare R per ora per attuare un'analisi geostatistica di dati. Volevo sapere come poter creare un oggetto gstat partendo da un file testo(che ho gia importato con read.table)e che contiene 3 colonne: x,y,value. Mi servirebbe far questo per costruire un var

[R] object gstat

dear all i have this dataset: x,y, datavalue > dati[,c(1,2,5)] [,1] [, 2] [,3] [1,] 2.386 3.077 1.740 [2,] 2.544 1.972 1.335 [3,] 2.807 3.347 1.610 [4,] 4.308 1.933 2.150 [5,] 4.383 1.081 1.565 [6,] 3.244 4.519 1.145 [7,] 3.925 3.785 0.894 [8,] 2.116 3.498 0.525 [9,]