Question

我正在尝试运行以下代码，但出现此错误 unclass（x）[i，，drop = FALSE]中的错误：（下标）逻辑下标太长

library ( survival ) 
library(KMsurv)
data("tongue")
tongue
Weibull.1<-survreg(Surv(times,censor)~1, data=tongue, subset=(group==1),scale=1,dist="weibull")
Weibull.2<-survreg(Surv(times,censor)~1, data=tongue, subset=(group==2),scale=1,dist="weibull")

如何避免此错误？

Answer 1

我不太确定你在做什么。您指定的所有变量都不在数据集中。 Tongue只有3个变量，type，time和delta。如果您更正了这些，那么您将得到答案。

survreg(Surv(time, delta) ~ 1,
        data = tongue,
        subset = ( type == 1),
        scale = 1,
        dist = "weibull")

Call:
survreg(formula = Surv(time, delta) ~ 1, data = tongue, subset = (type == 
    1), dist = "weibull", scale = 1)

Coefficients:
(Intercept) 
   4.911231 

Scale fixed at 1 

Loglik(model)= -183.2   Loglik(intercept only)= -183.2
n= 52

错误（下标）逻辑下标太长

1 个答案: