20. 20
Learning outcome for Sony Xperia Z
2013/6/1
2013/8/5
2013/10/7
2013/12/9
2014/2/10
2014/4/14
2014/6/16
2014/8/18
2014/10/202014/12/8
050100150200250
Actual
ES
RM
MCM
CM
21. 21
Learning outcome for Sony Xperia Z
2013/6/1
2013/8/5
2013/10/7
2013/12/9
2014/2/10
2014/4/14
2014/6/16
2014/8/18
2014/10/202014/12/8
050100150200250
Actual
MCM
CM
41. 41
Comparisons of the three methods
Items (consumption quantitiy from large to small)
MAPE
Item Time Series
Product Time Series
Prediction Aggregation
0 100 200 300
0.00.20.40.60.81.01.2