[R] dist label names

2007-04-25 Thread L . Stirton
Hello, I am trying to do a multi-dimensional scaling of the World Bank's quality of governance indicators for the Balkan region. I am having trouble labelling my plot. Could some kind person help me out. How do I set the attribute Label by a variable (say, "Code")? At present I get this: >qog.dis

[R] Robust estimators for ordered logistic regression

2007-08-13 Thread L . Stirton
Hello, I am trying to estimate an ordered logistic regression in R, and I wish to use robust estimators. Can this be (simply) done? More specifically, can this be done using polr (in MASS) together with sandwich. I am using R 2.5.1 on Mac OS 10.4.10. If not, is there any other way? I can fit a mo