tod: Calculate Time of Most Recent Dose
Description
Calculates time of most recent dose.
Usage
tod(x, ref, addl, ii, pre = T, ...)
Arguments
x
a numeric vector of event times
ref
length x vector of reference dose times
addl
length x integer: number of additional doses
ii
length x numeric: interdose interval for addl
pre
assume that simultaneous sample precedes implied dose