eha (version 2.11.2)

table.events: Calculating failure times, risk set sizes and No. of events in each risk set

Description

From input data of the 'interval' type, with an event indicator, summary statistics for each risk set (at an event time point) are calculated.

Usage

table.events(enter = rep(0, length(exit)), exit, event, strict = TRUE)

Value

A list with components

times

Ordered distinct event time points.

events

Number of events at each event time point.

riskset.sizes

Number at risk at each event time point.

Arguments

enter

Left truncation time point.

exit

End time point, an event or a right censoring.

event

Event indicator.

strict

If TRUE, then tabulating is not done after a time point where all individuals in a riskset failed.

Author

Göran Broström

See Also

risksets

Examples

exit = c(1,2,3,4,5)
event = c(1,1,0,1,1)
table.events(exit = exit, event = event)