生存数据计算C指数并进行比较

安装补充包

计算C指数

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library(survcomp)
C_index1 <- concordance.index(x=test_data$GS, surv.time=test_data$time, surv.event=test_data$status, method="noether")
C_index2 <- concordance.index(x=test_data$T, surv.time=test_data$time, surv.event=test_data$status, method="noether")
C_index3 <- concordance.index(x=test_data$Risk_Score_Ridge, surv.time=test_data$time, surv.event=test_data$status, method="noether")

比较C指数

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cindex.comp(C_index1, C_index3)
cindex.comp(C_index2, C_index3)

生存数据计算C指数并进行比较
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Author
Limour
Posted on
August 20, 2022
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