KMWdf {survivalREC}

Kaplan-Meier Weighted estimator for the bivariate distribution function.

Description

Provides estimates for the bivariate distribution function based on Kaplan-Meier Weights (KMW).

Usage

KMWdf(object, x, y)

Arguments

object

An object of class multidf.

x

The first time for obtaining estimates for the bivariate distribution function.

y

The second time for obtaining estimates for the bivariate distribution function.

Value

Vector with the Kaplan-Meier weights estimates for the bivariate distribution function.

Author(s)

Gustavo Soutinho and Luis Meira-Machado

References

de Una-Alvarez J, Meira Machado LF (2008). "A Simple Estimator of the Bivariate Distribution Function for Censored Gap Times", Statistical and Probability Letters, 78, 2440-2445.

Davison, A.C. and Hinkley, D.V. (1997) "Bootstrap Methods and Their Application", Chapter 5. Cambridge University Press.

See Also

IPCWdf, LDMdf, LINdf and WCHdf.

Examples

data("bladder4state")

b3state<-multidf(gap1=bladder4state$y1, event1=bladder4state$d1, 
                 gap2=bladder4state$y2, status=bladder4state$d2, 
                 size=bladder4state$size)
                 
KMWdf(b3state, x=13, y=20)