ourMELONS/R/laskeLoggis.R

laskeLoggis <- function(counts, sumcounts, adjprior) {
  npops <- size(counts, 3)

  sum1 <- sum(sum(sum(lgamma(counts + repmat(adjprior, c(1, 1, npops))))))
  sum3 <- sum(sum(lgamma(adjprior))) - sum(sum(lgamma(1 + sumcounts)))
  logml2 <- sum1 - npops * sum3
  loggis <- logml2
  return(loggis)
}