Hi all i am using the following command to do clustering using hopach ....and getting the following error .... eset.s is a matirx containing genes filtered through a ttest ... my data contains 3 treatments and 3 controls > gene.dist <- distancematrix(eset.s, d="cosangle") > dim(gene.dist) [1] 112 112 > gene.hobj <- hopach(eset.s, dmat=gene.dist) Error in is.logical(j) : 'j' is missing Please help to sort out this problem Thanks Rohit -- Rohit Farmer M.Tech Bioinformatics Department of Computational Biology and Bioinformatics Jacob School of Biengineering and Biotechnology Sam Higginbottom Institute of Agriculture, Technology and Sciences (Formerly known as Allahabad Agricultural Institute - Deemed University) Allahabad, UP, INDIA - 211 007 Ph. No. 9839845093, 9415261403 e-Mail rohit.farmer@gmail.com Blog http://rohitsspace.blogspot.com [[alternative HTML version deleted]]