X-Git-Url: https://git.auder.net/?a=blobdiff_plain;f=pkg%2FR%2FJ_Persistence.R;h=9e56742680a3db4702cb535a98f5aabdadbcfded;hb=3ddf1c12af0c167fe7d3bb59e63258550270cfc5;hp=7a7daef1c4c242e7354a4300574d74892cb2e4bd;hpb=99f83c9af27492f6fb9b10f51fb8704ed588f5c1;p=talweg.git

diff --git a/pkg/R/J_Persistence.R b/pkg/R/J_Persistence.R
index 7a7daef..9e56742 100644
--- a/pkg/R/J_Persistence.R
+++ b/pkg/R/J_Persistence.R
@@ -1,7 +1,15 @@
-#' Obtain jump forecast by the Persistence method
+#' getPersistenceJumpPredict
+#'
+#' Analog of the PersistenceForecaster: predict the jump after last observed value either
+#' by re-applying the last jump between similar day and its follower (if argument
+#' "same_day" is TRUE), or by re-using the very last observed jump (when "same_day" =
+#' FALSE).
 #'
 #' @inheritParams computeForecast
 #' @inheritParams getZeroJumpPredict
+#'
+#' @aliases J_Persistence
+#'
 getPersistenceJumpPredict = function(data, today, memory, horizon, params, ...)
 {
 	#return gap between end of similar day curve and first day of tomorrow (in the past)
@@ -12,7 +20,7 @@ getPersistenceJumpPredict = function(data, today, memory, horizon, params, ...)
 	{
 		{
 			last_serie_end = tail( data$getSerie(index), 1)
-			last_tomorrow_begin = data$getSerie(index+1)[1]
+			last_tomorrow_begin = head( data$getSerie(index+1), 1)
 			index = index - ifelse(same_day,7,1)
 		};
 		if (!is.na(last_serie_end) && !is.na(last_tomorrow_begin))