X-Git-Url: https://git.auder.net/?a=blobdiff_plain;f=pkg%2FR%2FJ_Persistence.R;h=37d05fe7968c845ae0362ab8553a838826c956c0;hb=102bcfda4afbb5cfee885cbee0f55545624168fd;hp=8ac597c3f17acc4ee3cfaa9003b646630e748be4;hpb=469529710f56c790ae932b45d13fed2e34bcabf2;p=talweg.git

diff --git a/pkg/R/J_Persistence.R b/pkg/R/J_Persistence.R
index 8ac597c..37d05fe 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
 #'
-#' @inheritParams getForecast
+#' 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
+#'
+#' @alias 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))