-#' @description Return the last centered (similar) day curve.
-#' Inherits \code{\link{Forecaster}}
-PersistenceForecaster = setRefClass(
- Class = "PersistenceForecaster",
- contains = "Forecaster",
+#' @format R6 class, inherits Forecaster
+#' @alias F_Persistence
+#'
+PersistenceForecaster = R6::R6Class("PersistenceForecaster",
+ inherit = Forecaster,