pava_ifr function

PAVA order restriction under increasing failure rate (IFR)

This function imposes the PAVA IFR order restriction by eliminating change-points violating the restriction

pava_ifr(time_die,ttot,deaths)

Arguments

• time_die: event times
• ttot: the total time on test (ttot) corresponding to the event times
• deaths: the number of deaths at each event time

Returns

time2 the event times after PAVA ttot2 the corresponding ttot after PAVA deaths2 the corresponding number of deaths after PAVA

Examples

data(pava_dfrd)
t_d = pava_dfrd[,1]
t = pava_dfrd[,2]
d = pava_dfrd[,3]
pava_ifr(t_d, t, d)