Re: [R] CLARA and determining the right number of clusters

Hi there, I've tried your suggestion and it seems promising. But I have a couple of questions. I am reading a three column ASCII file (lon, lat, sst) mydata <- read.table("INFILE", header=FALSE,sep="", na.strings="99.00",dec=".",strip.white=TRUE,col.names=c("lon","lat","sst")) then I extract

Re: [R] CLARA and determining the right number of clusters

Hi Christian and thanks I've tried your suggestion and it seems promising. But I have a couple of questions. I am reading a three column ASCII file (lon, lat, sst) > mydata <- read.table("INFILE", header=FALSE,sep="", na.strings="99.00",dec=".",strip.white=TRUE,col.names=c("lon","lat","sst")) th

Re: [R] CLARA and determining the right number of clusters

Hi there, generally finding the right number of clusters is a difficult problem and depends heavily on the cluster concept needed for the particular application. No outcome of any automatic mathod should be taken for granted. Having said that, I guess that something like the example given in