机经中也出现好多遍了,但好像意见不统一,查了教材也没查到
categorize variables, 4 variable levels VS 8 variable levels, (choose two)
A. 4 can have less dimensions
B. 8 can lead to collinearity
C. 4 can avoid overfitting
D. don't remember
好像就是前三个中,不知道该选哪两个。有哪位同学有查到吗?
谢谢!