Re: [R-sig-Geo] bitmap plots in loop

2008-01-21 Thread Takatsugu Kobayashi
hi, I have read a couple of threads about png and jpg not being supported in R CMD BATCH. So I decided to use bitmap() instead. I would like to repeat printing jobs 1000 times. I only got empty png files. Doesn't this loop open bitmap, plot, close bitmap everytime? rm(list=ls(all=T)) ### Incl

Re: [R-sig-Geo] Polygon perimeter calculation in PBSmapping? [SOLVED]

2008-01-21 Thread Takatsugu Kobayashi
I figured out by reading vignette('sp') and a PBSmapping manual. Thanks. Takatsugu Kobayashi wrote: > Hi, > > I created a grid of cells of varying sizes using makeGrid() in sp. I > could calculated the areas of these cells of varying sizes using > calcArea() and combinePolys() in PBSmapping. I

Re: [R-sig-Geo] ggwr and memory problems

2008-01-21 Thread Roger Bivand
On Mon, 21 Jan 2008, Luca Moiana wrote: > > > >> Date: Mon, 21 Jan 2008 14:38:18 +0100 >> From: [EMAIL PROTECTED] >> To: [EMAIL PROTECTED] >> CC: r-sig-geo@stat.math.ethz.ch >> Subject: Re: [R-sig-Geo] ggwr and memory problems >> >> On Mon, 21 Jan 2008, Luca Moiana wrote: >> >>> Dear List, >>> >>>

Re: [R-sig-Geo] ggwr and memory problems

2008-01-21 Thread Luca Moiana
> Date: Mon, 21 Jan 2008 14:38:18 +0100 > From: [EMAIL PROTECTED] > To: [EMAIL PROTECTED] > CC: r-sig-geo@stat.math.ethz.ch > Subject: Re: [R-sig-Geo] ggwr and memory problems > > On Mon, 21 Jan 2008, Luca Moiana wrote: > > > Dear List, > > > > Here is my problem: > > > > I wanna run a ggwr on

Re: [R-sig-Geo] ggwr and memory problems

2008-01-21 Thread Roger Bivand
On Mon, 21 Jan 2008, Luca Moiana wrote: > Dear List, > > Here is my problem: > > I wanna run a ggwr on a 9000 records Spatial Points Data Frame using R > on a Windows Machine (Dual processor, 4 GB RAM). Have you tuned Windows memory use as discussed in the R for Windows FAQ - section 2.9? The b

[R-sig-Geo] ggwr and memory problems

2008-01-21 Thread Luca Moiana
Dear List, Here is my problem: I wanna run a ggwr on a 9000 records Spatial Points Data Frame using R on a Windows Machine (Dual processor, 4 GB RAM). When I try to calculate bandwidth using: Sdati14400test.sel <- ggwr.sel(E14400 ~ V211 + V213 + V240 + V313 + V321 + V322 +