OS Survival Function from Weibull Transition Hazards

OS Survival Function from Weibull Transition Hazards

WeibSurvOS(t, h01, h02, h12, p01, p02, p12)

Arguments

t

(numeric)
study time-points.

h01

(positive number)
transition hazard for 0 to 1 transition.

h02

(positive number)
transition hazard for 0 to 2 transition.

h12

(positive number)
transition hazard for 1 to 2 transition.

p01

(positive number)
rate parameter of Weibull distribution for h01.

p02

(positive number)
rate parameter of Weibull distribution for h02.

p12

(positive number)
rate parameter of Weibull distribution for h12.

Value

This returns the value of OS survival function at time t.

Examples

WeibSurvOS(c(1:5), 0.2, 0.5, 2.1, 1.2, 0.9, 1)
#> [1] 0.55296798 0.29049135 0.14798080 0.07421549 0.03684786