SurvtoLR {PICBayes} | R Documentation |
Transform Surv object to data matrix with L and R columns
Description
Take a Surv
object and transforms it into a data matrix with two columns, L and R,
representing the left and right points of observed time intervals. For right-censored data, R = NA.
Usage
SurvtoLR(x)
Arguments
x |
a |
Details
The input Surv object should be in the form of Surv(L,R,type='interval2')
, where R = NA for right-censored data.
Value
A data matrix with two variables:
L |
left-points of observed time intervals |
R |
right-points of observed time intervals |
References
Michael P. Fay, Pamela A. Shaw (2010). Exact and Asymptotic Weighted Logrank Tests for Interval Censored Data: The interval R Package. Journal of Statistical Software, 36 1-34.
Examples
library(survival)
L<-c(45,6,0,46)
R<-c(NA,10,7,NA)
y<-Surv(L,R,type='interval2')
SurvtoLR(y)
[Package PICBayes version 1.0 Index]