#' Zero Forecaster
#'
-#' Flat prediction: always forecast a serie of zeros.
-#' This serie is then adjusted using the ".pjump" function (see \code{Forecaster} class).
+#' Flat prediction: always forecast a serie of zeros (adjusted by 'pjump' function).
#'
#' @usage # ZeroForecaster$new(pjump)
#'