Strength of Vegetated Coal-Bearing Soil under Dry-Wet Cycles: An Experimental Study

Table 4

Examples of Taguchi’s method for range analysis.

Test	Variable A	Variable B	Variable C	Evaluated parameter
1	A1	B1	C1	Y1
2	A1	B2	C2	Y2
3	A2	B1	C2	Y3
4	A2	B2	C1	Y4
K1	Y1+Y2	Y1+Y3	Y1+Y4
K2	Y3+Y4	Y2+Y4	Y2+Y3
Vi	2	2	2
	K1/Vi	K1/Vi	K1/Vi
	K2/Vi	K2/Vi	K2/Vi
Range ()	Max- min