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Helper function to transform between survival function and CHF
survival_to_cumulative_hazard(survival_functions, epsilon = 0)
A matrix or vector transformed to the form of a cumulative hazard function.
matrix or vector, with each row representing a survival function
a positive numeric number to add, so that the logarithm can be taken
library(survex) vec <- c(1, 0.9, 0.8, 0.7, 0.6) matr <- matrix(c(1, 0.9, 0.8, 1, 0.8, 0.6), ncol = 3) survival_to_cumulative_hazard(vec) survival_to_cumulative_hazard(matr)
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