-#' a period of time of H<=24 hours, from hour P+1 until P+H, where P+1 is taken right
-#' after the end of the period designated by \code{getIndexInData()}. In other terms,
-#' \code{forecast$getForecast(i)} return forecasts for \code{data$getSerie(i+1)}.
-#' Each cell .pred[[i]] is itself a list containing three slots, as described in the
-#' 'field' section.
+#' a period of time of H<=24 hours, from hour P until P+H-1, where P == predict_from.
+#' \code{forecast$getForecast(i)} output forecasts for
+#' \code{data$getSerie(forecast$getIndexInData(i))}.