An Extension of the Fuzzy Possibilistic Clustering Algorithm Using Type-2 Fuzzy Logic Techniques

Table 40

Statistical test for the IT2PE, IT2XB, and IT2MPE-DMFP indices of validation for Figure 2(d) clustering.

Dataset	Validation index	Algorithm				-value	-critical value	value
Figure 2(d)	IT2PE	IT2FCM	30	0.25820712			1.645	0
		IT2FPCM		0.2581946
	IT2XB	IT2FCM	30	0.07538511			1.645	1
		IT2FPCM		0.07538535
	IT2MPE-DMFP	IT2FCM	30	0.15969978			1.645	0
		IT2FPCM		0.15968716