BOX-COX變換（R語言）

1.消除異方差 代碼實現如下： data3.2<-read.csv("C:/Users/Administrator/Desktop/data3.2.csv",head=TRUE) library(MASS) bc3.2<-boxcox(y~x1+x2,data=data3.2,lambda=seq(-2,2,0.01)) # λ的取值爲區間[-2,2]上步長爲0.01的值，bc3.2中保存了λ的值

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