Re: [R-sig-Geo] how to handle large datafile in R?

2009-04-07 Thread Anwesha Chakrabarti
ar.ncdf(ncdata,"time") > dat<-get.var.ncdf(ncdata,"air") Error: cannot allocate vector of size 1.2 Gb now my question is how do i load the subsets of the data? regards On Tue, Apr 7, 2009 at 12:42 PM, Roger Bivand wrote: > On Tue, 7 Apr 2009, Anwesha Chakrabarti wr

[R-sig-Geo] how to handle large datafile in R?

2009-04-06 Thread Anwesha Chakrabarti
hi all, i want to read a .netcdf file in R. the file contains one variable that has three dimensions lon, lat and time. and the data consists of a 192x94 matrix of the variable. whenever i'm trying to open the file i'm getting the following error msg "can not allocate vector of size 1.2gb"! so i gu

[R-sig-Geo] help

2009-02-02 Thread Anwesha Chakrabarti
hi; i just started using R and need to do the following. i want to plot weather data (which is in a .netCDF file). i was trying to plot some climate data for westbengal region and then i tried to interpolate the data for kolkata (which will be a subset of the oroginal data for westbengal). i tried