在做最优分箱
ggplot(train2,aes(x=x27,y=..count..,))+geom_histogram(fill="blue",colour="grey60",size=0.2,alpha=0.2,binwidth = 100)
x27result=smbinning(df=train2,y="z",x="x27",p=0.05)
smbinning.plot(x27result,option="WoE",sub="x27")
进行到这步时
smbinning.plot(x27result,option="WoE",sub="x27")
出现
Error: $ operator is invalid for atomic vectors


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