[R] plot(pam.object) error with R-1.7.0 on Red-Hat 8.0 i686

[alessandro.semeria@cramont.it]

I don't know if there is some fault in compiling or a bug of the new 
R-1.7.0 version:

cl.pam.2 <- pam(as.dist(1-cor(mel.data)),2)
plot(cl.pam.2)

perform a right partitioning and silhouette plot on the old R-1.6.2
instead 
"Error in clusplot.default(x$diss,...... ;
        x is not numeric"
is the output on the new R-1.7.0.
 Same platform: RH8.0 i686. 
Some suggestions?

A.S.

----------------------------

Alessandro Semeria 
Models and Simulations Laboratory
The Environment Research Center - Montecatini (Edison Group), 
Via Ciro Menotti 48,
48023 Marina di Ravenna (RA), Italy
Tel. +39 544 536811
Fax. +39 544 538663
E-mail: asemeria at cramont.it