> Hi, > > Have anyone any idea if any of the software package like (SPSS, s-Plus, > Stata) includes any function in order to determine the optimum number of > groups in a data set using stopping rules of cluster Analysis. > > Thanks everyone in advance. > Sincerely yours, > George Feretzakis (MSc in Biostatistics) > > _________________________________________________________________ >
The MCLUST package allows you to determine the BIC values in order to determine the number of groups for a given model-based cluster analysis. You can download it from the statlib site. It is for both R and SPLUS. Best, Mark Hall
