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polr
2007 Jul 25
0
Function polr and discrete ordinal scale
...classes) with a set of environmental variables, I used the polr and predict.polr functions. I would like to know how to bring the cumulated probabilities back to a discrete ordinal scale.
For the moment I used the predict.polr function with the argument "class". Is there an other way?
polrf <- polrf <- polr_mod(formula = acipenser_gueldenstaedtii ~ Long + poly(Surf, 2, raw = TRUE) + poly(TempSum, 2, raw = TRUE) , data = mydata, method = "logistic", Hess = TRUE, na.action = na.omit)
pred1 <- predict.polr(polrf, newdata = mydata2, type = "class")
predict...