+
+#' Initialize empty Forecast object
+#'
+#' @param o Object of class Forecast
+#' @param private List of private members in o
+#' @param dates vector of dates where forecast occurs
+initialize = function(o, private, dates)
+{
+ private$.dates <<- dates
+ private$.pred <<- list()
+ invisible(o)
+}
+
+#' Number of individual forecasts"
+#'
+#' @inheritParams initialize
+getSize = function(private)
+ length(private$.pred)
+
+#' Obtain a new pair (serie, params)"
+#'
+#' @inheritParams initialize
+append = function(new_serie, new_params, new_index_in_data)
+{
+ private$.pred[[length(private$.pred)+1]] <<-
+ list("serie"=new_serie, "params"=new_params, "index_in_data"=new_index_in_data)
+}
+
+#' Dates where prediction occurs
+#'
+#' inheritParams initialize
+getDates = function(private)
+ private$.dates
+
+#' Serie values at specified index"
+#'
+#' @inheritParams initialize
+#' @param index Return value at this index
+getSerie = function(index)
+{
+ if (is(index,"Date"))
+ index = match(index, private$.dates)
+ private$.pred[[index]]$serie
+}
+
+#' Params at specified index"
+#'
+#' @inheritParams getSerie
+getParams = function(index)
+{
+ if (is(index,"Date"))
+ index = match(index, private$.dates)
+ private$.pred[[index]]$params
+}
+
+#' (day) Index in data where prediction took place"
+#'
+#' @inheritParams getSerie
+getIndexInData = function(index)
+{
+ if (is(index,"Date"))
+ index = match(index, private$.dates)
+ private$.pred[[index]]$index_in_data
+}