output.coxphout {TimeVTree}

Summary of coxph.tree output

Description

This funtion organizes coxph.tree output into a format that can be used as an input for prune, plot_coxphtree, and mat.tvbeta.

Usage

output.coxphout(coxout) 

Arguments

coxout

output from coxph.tree

Value

output.coxphout returns a table with following columns.

Depth

Depth value specified in the argument

Block

Time intervals present at each depth

Node

Unique number assigned to each block

Left

Node of a block that was divided into the left side in the next depth

Right

Node of a block that was divided into the right side in the next depth

Score

Modified score statistic of each node

lkl

Likelihood ratio value of each node

Start

Starting time of the node

End

Ending time of the node

# of Cases

Number of observations in each node

# of Events

Number of events in each node

References

Xu, R. and Adak, S. (2002), Survival Analysis with Time-Varying Regression Effects Using a Tree-Based Approach. Biometrics, 58: 305-315.