R/backward_probabilities.R

In AdvancedR-2021/hmm: Hidden Markov Models

Defines functions backward_probabilities

Documented in backward_probabilities

#' @describeIn forward_probabilities Matrix of backward probabilities
backward_probabilities <- function(x, Gamma, p){
  p_mat <- outer(1:ncol(Gamma), x, FUN=p)
  return(backward_prob_cpp(Gamma, p_mat))
}