X-Git-Url: https://git.auder.net/?a=blobdiff_plain;f=pkg%2FR%2FcomputeError.R;h=c3bc4f381da34112eca28f339db3093582ed9d67;hb=1e8327df4e8abce5c23808be4f98037635bb2714;hp=3aa028fb88282b41a4f55b92545f1de030e8dd94;hpb=c8ef2ddb2d1f28b8356a6c0aa7c8495406226a32;p=talweg.git

diff --git a/pkg/R/computeError.R b/pkg/R/computeError.R
index 3aa028f..c3bc4f3 100644
--- a/pkg/R/computeError.R
+++ b/pkg/R/computeError.R
@@ -13,11 +13,11 @@
 #'   step, averaged on the L forecasting days.
 #'
 #' @export
-computeError = function(data, pred, horizon=data$getStdHorizon())
+computeError = function(data, pred, predict_from, horizon=length(data$getSerie(1)))
 {
 	L = pred$getSize()
-	mape_day = rep(0, horizon)
-	abs_day = rep(0, horizon)
+	mape_day = rep(0, horizon-predict_from+1)
+	abs_day = rep(0, horizon-predict_from+1)
 	mape_indices = rep(NA, L)
 	abs_indices = rep(NA, L)
 
@@ -25,8 +25,8 @@ computeError = function(data, pred, horizon=data$getStdHorizon())
 	for (i in seq_len(L))
 	{
 		index = pred$getIndexInData(i)
-		serie = data$getSerie(index+1)[1:horizon]
-		forecast = pred$getForecast(i)[1:horizon]
+		serie = data$getSerie(index)[predict_from:horizon]
+		forecast = pred$getForecast(i)[predict_from:horizon]
 		if (!any(is.na(serie)) && !any(is.na(forecast)))
 		{
 			nb_no_NA_data = nb_no_NA_data + 1