The default nstart in ?bigkmeans is 1. Try ans<-bigkmeans(data,k,nstart=8)
Good luck On Mon, Feb 20, 2012 at 4:22 PM, Lishu Liu <lishu...@gmail.com> wrote: > Hi, all, > > I have a really big matrix that I want to run k-means on. > I tried: >>data <- > read.big.memory('mydata.csv',type='double',backingfile='mydata.bin',descriptorfile='mydata.desc') > I'm using doMC to register multicore. >>library(doMC) >>registerDoMC(cores=8) >>ans<-bigkmeans(data,k) > > In system monitor, it seems only one thread running R. Is there anything I > did wrong? > Thanks in advance for any suggestions. > > Best, > Lishu > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.