Cumulative distribution function of the PWE for a vectorized hazard rate parameter

Extends PWEALL::pwe() to allow for vectorization over the hazard rates.

Usage

ppwe(hazard, end_of_study, cutpoints = NULL)

Arguments

hazard

matrix. A matrix of hazard rate parameters with number of columns one greater than the length of the cutpoints vector. The number of rows can be anything, and is typically dictated by the number of MCMC draws.

end_of_study

finite positive time at which the cumulative event probability is evaluated. It must be greater than every cutpoint.

cutpoints

finite, positive, strictly increasing vector of interior times at which the hazard rate changes. The number of hazard rates must be one greater than the number of cutpoints. Use NULL for a constant hazard.

Value

A vector of (0, 1) probabilities from evaluation of the PWE cumulative distribution function. Length of the vector matches the number of rows of the hazard matrix parameter.