本人小白一只,最近刚学R3.5.0,打算用glmnet包做logistic,代码如下data <- read.spss("D:/train.sav",
to.data.frame = TRUE)
x=as.matrix(data[,2:667])
y<-factor(data[,1],levels = c(0,1))
cvfit<-cv.glmnet(x,y,family="binomial", type.measure="deviance", nfolds=10)
用summary(cvfit)查看回归系数的P值时,结果却是这样的:
> summary(cvfit)
Length Class Mode
lambda 96 -none- numeric
cvm 96 -none- numeric
cvsd 96 -none- numeric
cvup 96 -none- numeric
cvlo 96 -none- numeric
nzero 96 -none- numeric
name 1 -none- character
glmnet.fit 13 lognet list
lambda.min 1 -none- numeric
lambda.1se 1 -none- numeric
不知道怎么回事,像各位大大求解。
数据在附件中


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