Re: [R] error using frailty term

2009-10-03 Thread Terry Therneau
--- begin included message - T rying to fit a model using the Surv() with a frailty term but get the following cryptic error message: -- Error in frailty.brent(sqrt(x), y, lower = 0) : Ties for max(y), I surrender Cal

[R] error using frailty term

2009-10-02 Thread Mary Slaughter
Trying to fit a model using the Surv() with a frailty term but get the following cryptic error message: -- Error in frailty.brent(sqrt(x), y, lower = 0) : Ties for max(y), I surrender Calls: runplots ... coxpenal.fit -> e