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coorxy
2005 Nov 12
0
Error message in polr
Dear members of the list,
I'm fitting ordinal regressions using polr, and in some models I
get the error copied below. Dependent variable is an ordered factor
of bird abundance categories, and predictors are continuous habitat
variables.
> ro6 <- polr(formula = abun ~ InOmbrot + Oliva.OC + ToCultAr +
DivCulArb + AltitMax + COORXY)
> summary(ro6)
Re-fitting to get Hessian