Re: [R-sig-Geo] merge 2 txt file

2008-11-04 Thread Alex Mandel
Alessandro wrote: > Hi all, > > > > I have two txt file with X,Y,Z column and I need to merge together > > > > I tried > > file_all <- merge("file1.txt","file2.txt") > > but I don't sure about the result. Is It this code correct? > > Thanks Ale > > That would merge 2 data frames tog

[R-sig-Geo] merge 2 txt file

2008-11-04 Thread Alessandro
Hi all, I have two txt file with X,Y,Z column and I need to merge together I tried file_all <- merge("file1.txt","file2.txt") but I don't sure about the result. Is It this code correct? Thanks Ale [[alternative HTML version deleted]] _

Re: [R-sig-Geo] classIntervals function not finishing

2008-11-04 Thread Paul Hiemstra
Hi, My experience with the fisher method of calculating intervals is that it becomes very slow if applied to a larger dataset. Your dataset is much much larger than what I have tried to do with style="fisher". So it is not strange what you are seeing. You could select a subset of the data to

[R-sig-Geo] classIntervals function not finishing

2008-11-04 Thread Edward Tomlinson
Hi List, I am having trouble with the classIntervals function. Something seems to be going wrong as the function is not returning (in 8hr +). i am trying to call the function as follows t1 <- classIntervals(map$map.mapset, n=7, style="fisher") there are about 2.3 million cells in the image. Th

Re: [R-sig-Geo] Memory issue

2008-11-04 Thread Roger Bivand
On Mon, 3 Nov 2008, Mikael Carlsson wrote: Hi,   First, thanks for all help so far...but I still have some problems. Here is the code: cumark <- read.table("k:/test/helamarkcu.txt", header=T, sep = ";") One copy of 3*40K*8 = 1MB memory.limit(size = 1897)    attach(cumark) vew <- as.vecto

Re: [R-sig-Geo] Memory issue

2008-11-04 Thread ONKELINX, Thierry
Dear Mikael, Try to split the locations you want to interpolate into different subset. Interpolate each of the subsets and them merge them together. HTH, Thierry ir. Thierry Onkelinx Instituut voor natuur- en bos