#' Construct the data-driven grid for the regularization parameters used for the Lasso estimator
#' @param phiInit value for phi
#' Construct the data-driven grid for the regularization parameters used for the Lasso estimator
#' @param phiInit value for phi
#' @param mini minimum number of iterations in EM algorithm
#' @param maxi maximum number of iterations in EM algorithm
#' @param tau threshold to stop EM algorithm
#' @param mini minimum number of iterations in EM algorithm
#' @param maxi maximum number of iterations in EM algorithm
#' @param tau threshold to stop EM algorithm