1 개요
- R polr()
- "Ordered Logistic Or Probit Regression"
R
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library(MASS)
options(contrasts = c("contr.treatment", "contr.poly"))
house.plr <- polr(Sat ~ Infl + Type + Cont, weights = Freq, data = housing)
house.plr
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summary(house.plr, digits = 3)
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summary(update(house.plr, method = "probit", Hess = TRUE), digits = 3)
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summary(update(house.plr, method = "loglog", Hess = TRUE), digits = 3)
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summary(update(house.plr, method = "cloglog", Hess = TRUE), digits = 3)
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predict(house.plr, housing, type = "p")
addterm(house.plr, ~.^2, test = "Chisq")
house.plr2 <- stepAIC(house.plr, ~.^2)
house.plr2$anova
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anova(house.plr, house.plr2)
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house.plr <- update(house.plr, Hess=TRUE)
pr <- profile(house.plr)
confint(pr)
plot(pr)
pairs(pr)
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2 같이 보기
3 참고
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