读取样本数据
D=D\[!is.na(apply(D,1,mean)),\] ; dim(D)
## \[1\] 416 7查询部分数据(结果和预测因子)
head(D)
## time status age albumin edema protime bili
## 1 400 1 58.76523 2.60 1.0 12.2 14.5
## 2 4500 0 56.44627 4.14 0.0 10.6 1.1
## 3 1012 1 70.07255 3.48 0.5 12.0 1.4
## 4 1925 1 54.74059 2.54 0.5 10.3 1.8
## 5 1504 0 38.10541 3.53 0.0 10.9 3.4
## 6 2503 1 66.25873 3.98 0.0 11.0 0.8模型0和模型1的结果数据和预测变量集
outcome=D\[,c(1,2)\]
covs1
covs0
head(outcome)
## time status
## 1 400 1
## 2 4500 0
## 3 1012 1
## 4 1925 1
## 5 1504 0
## 6 2503 1
``````
head(covs0)
## age albumin edema protime
## 1 58.76523 2.60 1.0 12.2
## 2 56.44627 4.14 0.0 10.6
## 3 70.07255 3.48 0.5 12.0
## 4 54.74059 2.54 0.5 10.3
## 5 38.10541 3.53 0.0 10.9
## 6 66.25873 3.98 0.0 11.0
``````
head(covs1)
## age albumin edema protime bili
## 1 58.76523 2.60 1.0 12.2 14.5
## 2 56.44627 4.14 0.0 10.6 1.1
## 3 70.07255 3.48 0.5 12.0 1.4
## 4 54.74059 2.54 0.5 10.3 1.8
## 5 38.10541 3.53 0.0 10.9 3.4
## 6 66.25873 3.98 0.0 11.0 0.8
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