On 01-09-2013, at 15:34, Simona Augyte <simona.aug...@uconn.edu> wrote:
> Ok, thanks, that helps. > > What about running the same code on a bit of a different set of data, ex.; > korma<- read.csv(text=" > GR T C M B > 1 0 0 0 1 > 2 0 1 0 0 > 3 1 1 0 1 > 4 1 0 1 1 > 5 0 0 0 1 > 6 1 0 1 1… Is the … part of your data? It makes column 5 a factor. Is tha > ",sep="",row.names=1,header=TRUE) > > str(korma) > dist(korma) > korma.dist<- dist(korma) > korma.mds <- isoMDS(korma.dist) > #Error in isoMDS(korma.dist) : zero or negative distance between objects 1 > and 5 > # What do I need to do to my data to avoid the error message? I don't know. Maybe remove … from column 5? Where does isoMDS come from? Berend ______________________________________________ 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.