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

Table 5

Performance evaluation of MLR prediction models.

	Mean	Prediction	ER (EI/9)	Mean	Prediction	ER (EI/9)
	Rakish			Family
1	5.23	5.10	12.8%	7.70	6.59	17.6%
2	2.77	2.88	12.8%	6.33	5.81	15.0%
3	5.23	4.99	17.1%	7.57	7.20	11.1%
4	2.33	2.49	14.3%	8.43	8.49	8.0%
5	1.77	4.56	31.9%	6.23	6.56	13.6%
6	6.80	7.08	13.3%	6.37	5.97	14.6%
	Average ER = 17.03%			Average ER = 13.32%
	Formal			Classical
1	4.33	5.07	21.0%	3.40	4.91	22.0%
2	6.63	5.42	21.6%	5.53	5.72	13.2%
3	5.10	5.01	14.2%	4.53	5.77	23.6%
4	6.47	6.41	15.4%	5.40	4.74	18.0%
5	4.73	3.27	22.4%	3.20	3.95	12.1%
6	3.47	4.89	20.5%	4.93	5.29	20.1%
	Average ER = 19.18%			Average ER = 18.17%
	Elegant			Modern
1	4.50	4.24	18.1%	4.93	4.14	18.7%
2	8.10	6.63	19.0%	3.97	4.10	20.2%
3	7.70	6.59	17.6%	5.23	4.84	16.5%
4	5.17	7.29	27.1%	4.60	3.91	21.0%
5	4.93	4.85	14.9%	4.63	6.25	24.9%
6	4.57	5.00	14.2%	5.47	6.39	22.1%
	Average ER = 18.48%			Average ER = 20.57%