今天在使用R语言对Weekly进行交叉验证时，发生如下报错：错误于eval(family$initialize):y值必需满足0<=y<=1错误代码为：Weekly<-read.csv("Weekly.csv")set.seed(1)attach(Weekly)glm.fit1=glm(Direction~Lag1+Lag2,data=Weekly,family=binomial)summary(glm.fit1)