Table 10. Comparative analysis of the PCA and entropy methods.

Dimensions	Case Study 1				Case Study 2
	Entropy	PCA	Mean	Std. Deviation	Entropy	PCA	Mean	Std. Deviation
Dim. 1	32.70%	24.37%	28.54%	0.0059	5.12%	7.21%	6.17%	0.0148
Dim. 2	23.82%	24.76%	24.29%	0.0007	7.48%	5.91%	6.70%	0.0111
Dim. 3	26.02%	25.51%	25.77%	0.0004	27.23%	7.21%	17.22%	0.1416
Dim. 4	17.46%	25.36%	21.41%	0.0056	5.30%	11.08%	8.19%	0.0409
Dim. 5					5.98%	10.75%	8.37%	0.0337
Dim. 6					13.22%	8.72%	10.97%	0.0318
Dim. 7					7.41%	10.79%	9.10%	0.0239
Dim. 8					3.44%	10.67%	7.06%	0.0511
Dim. 9					4.87%	9.15%	7.01%	0.0303
Dim. 10					2.02%	10.35%	6.19%	0.0589
Dim. 11					17.92%	8.16%	13.04%	0.0566
Max-Min	8.88%	1.14%	7.13%	0.0055	25.21%	5.17%	11.05%	0.1305
Average of Max-Min	3.81%	0.29%	1.78%	0.0014	2.29%	0.47%	1.00%	0.0119
Average	25.00%	25.00%	25.00%	0.0032	9.09%	9.09%	9.09%	0.0450