R语言 多项式回归 polynomial regression

R语言 多项式回归示例 rm(list=ls()) data <- swiss data[,1:5] <- scale(data[,1:5]) data1 <- data for (i in 1:3) { mdl <- lm(Examination ~ poly(Education, degree=i), data = data) data1[,6+i] <- predict(mdl,d

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