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diff --git a/R/F_Persistence.R b/R/F_Persistence.R
deleted file mode 100644
index 19cf2e4..0000000
--- a/R/F_Persistence.R
+++ /dev/null
@@ -1,36 +0,0 @@
-#' @include Forecaster.R
-#'
-#' @title Persistence Forecaster
-#'
-#' @description Return the last centered (similar) day curve.
-#'   Inherits \code{\link{Forecaster}}
-PersistenceForecaster = setRefClass(
-	Class = "PersistenceForecaster",
-	contains = "Forecaster",
-
-	methods = list(
-		initialize = function(...)
-		{
-			callSuper(...)
-		},
-		predictShape = function(today, memory, horizon, ...)
-		{
-			# Return centered last (similar) day curve, avoiding NAs until memory is run
-			first_day = max(1, today-memory)
-			same_day = ifelse(hasArg("same_day"), list(...)$same_day, TRUE)
-			# If 'same_day', get the last known future of similar day: -7 + 1 == -6
-			index = today - ifelse(same_day,6,0)
-			repeat
-			{
-				{
-					last_serie = data$getCenteredSerie(index)[1:horizon]
-					index = index - ifelse(same_day,7,1)
-				};
-				if (!any(is.na(last_serie)))
-					return (last_serie);
-				if (index < first_day)
-					return (NA)
-			}
-		}
-	)
-)