It seems that hypatia.math.ethz.ch is hoarding messages to the r-help list for up to 13 hours ... ? Ted. -------------------------------------------------------------------- E-Mail: (Ted Harding) <Ted.Harding at nessie.mcc.ac.uk> Fax-to-email: +44 (0)870 167 1972 Date: 03-Apr-03 Time: 21:22:12 ------------------------------ XFMail ------------------------------