.tau_update {BayesFBHborrow}

Sample tau from posterior distribution

Description

Sample tau from posterior distribution

Usage

.tau_update(
  lambda_0,
  lambda,
  J,
  s,
  a_tau,
  b_tau,
  c_tau = NULL,
  d_tau = NULL,
  p_0 = NULL,
  type
)

Arguments

lambda_0

historical baseline hazard

lambda

baseline hazard

J

number of split points

s

split point locations, J + 2

a_tau

Inverse Gamma hyperparameter

b_tau

Inverse Gamma hyperparameter

c_tau

Inverse Gamma hyperparameter

d_tau

Inverse Gamma hyperparameter

p_0

mixture ratio

type

choice of borrowing, "mix", "uni", or any other string for borrowing on every baseline hazard without mixture

Value

list containing tau and new mixture ratio