nhpp | R Documentation |
Generate a random draws from the distribution of recurrent set of survival times under a a non homogeneous Poisson process following Leemis (1987)
nhpphr(SURVIVAL, hr, prevtime)
nhppaft(SURVIVAL, aft, prevtime)
SURVIVAL |
Object of survival class |
hr |
Vector of hazard ratios |
prevtime |
Vector of previous survival times |
aft |
Vector of accelerated failure ratios |
Vector of survival times
nhpphr()
: Recurrent episodes under a proportional hazard model
nhppaft()
: Recurrent episodes under an accelerated failure time model
s_obj <- s_exponential(fail = 0.4, t = 1)
hr <- c(1,1,0.5,0.5)
time1 <- rsurvhr(s_obj, hr)
time2 <- nhpphr(s_obj,hr, time1)
s_obj <- s_exponential(fail = 0.4, t = 1)
aft <- c(1,1,0.5,0.5)
timea <- rsurvaft(s_obj, aft)
timeb <- nhppaft(s_obj, aft, timea)
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