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Function to update tau_k given an Exp(lambda_2) prior

alpha_update.Rd

Function to update tau_k given an Exp(lambda_2) prior

Usage

alpha_update(
  alpha_tau,
  tau_vec,
  lambda_2,
  mu_tau,
  sigma_tau,
  window,
  trunc = c(0, 100)
)

Arguments

alpha_tau

numeric > 0, current value of alpha_tau shape parameter in tau_k prior

lambda_2

numeric > 0, parameter to the exponential prior Exp(lambda_2)

window

numeric > 0, parameter to set step size for tau update proposals from log-normal

trunc

numeric > 0, truncation for regularization parameter tau_k

tau_k

numeric > 0, current value of tau for Kth subject