Hi there, I want to do classify some 2-dimensional points into four clusters by pam() in the cluster package. However, I encountered some problems. 1. How can I change the "xlab" and "ylab" instead of the default "Component 1" and "Component 2"? When I put "xlab" option in the function, it always says "formal argument "xlab" matched by multiple actual arguments". 2. There seems to be some rotation of the clusplot from the original plot of points. Is there any way to remove this rotation? Any suggestion is appreciated. Haiyong