Hi all. Has anyone ever applied cluster analysis to the study of noise pollution (e.g. comparison of different sites in a town)? Any paper reference or web page indications are welcome. Thanks Giorgio Dr. Giorgio De Nunzio Gruppo di Calcolo del Dipartimento di Scienza dei Materiali Universita' di Lecce via Arnesano 73100 Lecce (Italy) tel. +39 0832 320545 fax +39 0832 320548 [log in to unmask] %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%