Helper Function for WeibSurvOS()

Helper Function for WeibSurvOS()

WeibOSInteg(x, h01, h02, h12, p01, p02, p12)

Arguments

x

(numeric)
variable of integration.

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

Numeric results of the integrand used to calculate the OS survival function for Weibull transition hazards, see WeibSurvOS().

Examples

WeibOSInteg(1:5, 0.2, 0.5, 2.1, 1.2, 0.9, 1)
#> [1]    4.05520   19.03191   83.79273  358.00660 1500.88185