An Iterative Procedure for Optimizing the Performance of the Fuzzy-Neural Job Cycle Time Estimation Approach in a Wafer Fabrication Factory

Table 12

Comparisons of the performances of various approaches.

	MAE (hours)	MAPE	RMSE (hours)
Statistical analysis	73	6.1%	99
CBR	81	6.5%	104
BPN	33	2.8%	71
SOM-WM	30	2.5%	64
EFR	30	2.6%	65
SOM-FBPN	22	2.0%	38
Postclassifying FBPN	40	2.7%	88
Bidirectional classifying BPN	19	1.9%	37
The proposed methodology	15	1.2%	36