ttime {event}

Create a Vector of Total Time Elapsed for each Individual for a Point Process

Description

ttime creates a vector of length sum(y) of times since each individual began for use with ehr.

Usage

ttime(y, id)

Arguments

y

Vector of times.

id

Vector of corresponding individual identifiers for who had which sequence of times.

Value

ttime creates a vector of length sum(y) of times since each individual began for use with ehr.

Author(s)

J.K. Lindsey

See Also

bp, ehr, ident, pp, tccov, tpast, tvcov.

Examples

y <- c(5,3,2,4)
id <- c(1,1,2,2)
itime <- ttime(y, id)
itime