On Sat, 5 Jul 2003, Yongchao Ge wrote: > Hi Matt, > > Thanks for the help. I'm just wondering if some package or some > options in par or ps.options exists so that I can just use it directly. > As we know, we can not just randomly sample 1000 of them as we may miss some > important extreme points (outliers). We need to define a small distance > d, when a clouds of points are within the distance of d, > then we can randomly sample a few points from each clouds so we don't > lose any visual information. What it really needs is a fast algorithm > to group 60,000 points into 1000+ of clusters. Each cluster's radius must > be less than d. >
I think the hexbin package (http://www.bioconductor.org) will do what you want. -thomas ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help
