Grey Relational Analysis and Its Application Based on the Angle Perspective in Time Series

Table 4

Result comparisons of three different methods.

Method	r			Source
	The grey relational model based on the angle perspective	0.9062	0.7715		0.7709	Presented in this paper
Improvement model on grey T’s relational degree	0.8712	0.7147	0.7063	Presented in [2]
The concept and the computation method of T’s relational degree	0.7578	0.5663	0.5682	Presented in [8]