Displaying 1 result from an estimated 1 matches for "propensityordaodb".
2007 Nov 10
1
polr() error message wrt optim() and vmmin
...sage.
Any suggestions welcome.
Thanks,
Anders
> summary(data$ordaodb)
0 1 2 3 4
8228 3505 1755 559 1757
> summary(data$gpconc)
Min. 1st Qu. Median Mean 3rd Qu. Max.
0.138 0.280 0.313 0.305 0.332 0.515
> formula<-data$ordaodb~data$gpconc
> propensityordaodb.plr <- polr(formula, method="cauchit")
> propensityordaodb.plr
Call:
polr(formula = formula, method = "cauchit")
Coefficients:
data$gpconc
8.508
Intercepts:
0|1 1|2 2|3 3|4
2.651 3.569 4.593 5.304
Residual Deviance: 40009.85
AIC: 40019.85
> summary(pr...