Research Article
An Extension of the Fuzzy Possibilistic Clustering Algorithm Using Type-2 Fuzzy Logic Techniques
Table 2
Results of the IT2PE validation index for WDBC dataset clustering using IT2FPCM and IT2FCM algorithms with
= [1.5, 2] and
= [1.5, 2.5] as parameters.
| Index validation IT2PE | Dataset | Clusters | IT2FPCM | IT2FCM | Defuzz | Lower | Upper | Defuzz | Lower | Upper |
| WDBC | 2 | 0.12504 | 0.10470 | 0.14539 | 0.12531 | 0.10476 | 0.14585 | 3 | 0.19601 | 0.15366 | 0.23835 | 0.20312 | 0.16011 | 0.24613 | 4 | 0.29863 | 0.24209 | 0.35517 | 0.29892 | 0.24215 | 0.35569 | 5 | 0.34488 | 0.26872 | 0.42105 | 0.34477 | 0.26853 | 0.42100 | 6 | 0.39213 | 0.30051 | 0.48375 | 0.39355 | 0.30176 | 0.48533 | 7 | 0.42646 | 0.32156 | 0.53137 | 0.42798 | 0.32287 | 0.53310 | 8 | 0.43077 | 0.32277 | 0.53877 | 0.43215 | 0.32387 | 0.54044 | 9 | 0.45241 | 0.33526 | 0.56956 | 0.45486 | 0.33697 | 0.57276 | 10 | 0.48363 | 0.35382 | 0.61344 | 0.48387 | 0.35353 | 0.61421 |
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