R: Kaplan-Meier product-limit estimate of survival.

KM {condSURV} | R Documentation

## Kaplan-Meier product-limit estimate of survival.

### Description

This function provides survival estimates using the product-limit Kaplan-Meier estimator.

### Usage

    KM(time, status, t)

### Arguments

`time` | Survival time of the process.
`status` | Censoring indicator of the survival time of the process; 0 if the survival time is censored and 1 otherwise.
`t` | The time for obtaining survival estimates.

### Author(s)

Luis Meira-Machado and Marta Sestelo

### References

E. Kaplan and P. Meier. Nonparametric estimation from incomplete observations. Journal of the American Statistical Association, 53:457-481, 1958.

### See Also

`PKM`

### Examples

    require(survival)
    obj <- with(colonCS, survCS(time1, event1, Stime, event))
    KM(time = obj$Stime, status = obj$event, t = 1095)

    fit <- survfit(Surv(obj$Stime, obj$event) ~ 1, data = obj)
    summary(fit, time = 1095)$surv

[Package condSURV version 2.0.1 Index]