A New Classification Analysis of Customer Requirement Information Based on Quantitative Standardization for Product Configuration

Table 4

Quantitative analysis of nominal multiple feature variables: depth.

Feature (depth)	Trapezoidal distribution	Quantitative values	Standardized values
Ultrathin	(0.0, 0.0, 0.9, 0.9)	0.45	0
Thin	(0.9, 0.9, 1.0, 1.0)	0.95	0.78
Ordinary	(1.0, 1.0, 1.2, 1.2)	1.10	1