#' @param Y matrix of responses (of size n*m)
#' @param fast boolean to enable or not the C function call
#'
-#' @return a list with phiInit, rhoInit, piInit, gamInit
+#' @return a list with phiInit (the regression parameter reparametrized),
+#' rhoInit (the covariance parameter reparametrized), piInit (the proportion parameter is the
+#' mixture model), gamInit (the conditional expectation)
#'
#' @importFrom stats cutree dist hclust runif
#'