Hello, how to compute the between sum of squares the for the clusters obtained by kmeans for the example below? I would like to compute the SSB-SSW based information measures for the clusters, as implemented in "cclust", but I am getting an error message. Serguei x1,x2,x3,x4,x5,cl 1.3,0.2,-1.2,3.2,-2.5,1 1.3,-0.4,-1.2,2.8,-1.8,1 -1.4,-0.3,0.7,-0.9,0.5,2 -1,-0.6,1.3,-0.6,0.9,2 -1.4,-0.1,0.8,-0.5,1.1,2 -1,-0.6,0.9,-0.4,1.4,2 0.8,0.9,-1,0.3,-1.1,3 -1.4,-0.8,2.8,-1.1,1.1,4 -0.5,-0.3,-0.1,0.5,-0.3,5 -0.1,1,0,0.1,0.2,5 -0.1,-0.3,-0.4,-0.2,0.4,5 -1.4,2.8,0.7,-0.9,0.6,6 -1,1.8,0.6,-1,1.7,6 0.4,-0.4,0.9,-0.7,0.4,7 0.4,-0.4,0.8,-0.6,0.8,7 0.4,-0.6,0.7,-0.2,1,7 -1.4,1.9,0.6,-0.4,-0.2,8 -1.4,1.7,0.3,-0.4,-0.1,8 [[alternative HTML version deleted]]