Multinomial logistic regression?

How can I look for collinearity diagnostics, particularly condition indexes and proportions of variance in Multinomial logistic regression?

• Jochem, I've merged your two accounts (thanks to @Macro who noticed that). You still need to register your account once and for all. – chl May 18 '12 at 13:00

• The corr() command does the same for R – gregmacfarlane May 18 '12 at 11:33