R/em.R

In okamumu/Rsrat: A Software Reliability Assessment Tool with NHPP-Based Models

#' EM step
#'
#' Execute one EM step for software reliability models.
#'
#' @name em
#' @param params A numeric vector for model parameters
#' @param data A faultdata
#' @param divide An integer for the number of integration points.
#' @param eps A numeric value for tolerance error.
#' @param w0 A numeric value indicating the expected number of faults before 0.
#' @param w1 A numeric value indicating the expected number of faults after te.
#' @param ... Other parameters
#' @return A list with an updated parameter vector (param),
#' absolute difference of parameter vector (pdiff),
#' log-likelihood function for a given parameter vector (llf),
#' the number of total faults (total).
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