Comparison of Two Quantitative Analysis Techniques to Predict the Evaluation of Product Form Design

Table 6

Performance evaluation of NN prediction model.

	Mean	Prediction	ER (EI/9)	Mean	Prediction	ER (EI/9)
	Rakish			Rakish
1	5.23	5.71	13.8%	7.70	8.18	13.6%
2	2.77	3.73	16.5%	6.33	6.52	14.0%
3	5.23	4.17	20.8%	7.57	6.89	12.7%
4	2.33	4.12	24.4%	8.43	7.84	10.3%
5	1.77	3.02	16.2%	6.23	6.84	14.7%
6	6.80	5.72	20.4%	6.37	6.88	15.0%
	Average ER = 16.30%			Average ER = 13.38%
	Rakish			Rakish
1	4.33	5.13	21.3%	3.40	5.07	23.4%
2	6.63	5.97	18.4%	5.53	5.12	13.8%
3	5.10	5.37	14.5%	4.53	6.33	27.7%
4	6.47	5.97	16.3%	5.40	6.11	18.2%
5	4.73	4.37	15.9%	3.20	3.72	12.4%
6	3.47	5.03	21.7%	4.93	5.18	19.8%
	Average ER =  18.02%			Average ER = 19.22%
	Rakish			Rakish
1	4.50	4.23	18.1%	4.93	4.53	17.1%
2	8.10	6.99	15.6%	3.97	4.44	20.9%
3	7.70	8.02	13.1%	5.23	4.58	17.5%
4	5.17	7.66	30.8%	4.60	4.03	20.6%
5	4.93	5.67	17.0%	4.63	5.03	17.9%
6	4.57	4.81	13.6%	5.47	5.12	20.0%
	Average ER = 18.03%			Average ER =  19.00%