Research Article
An Extension of the Fuzzy Possibilistic Clustering Algorithm Using Type-2 Fuzzy Logic Techniques
Table 3
Results of the IT2XB validation index for WDBC dataset clustering using IT2FPCM and IT2FCM algorithm with
= [1.5, 2] and
= [1.5, 2.5] as parameters.
| Index validation IT2XB | Dataset | Clusters | IT2FPCM | IT2FCM | Defuzz | Lower | Upper | Defuzz | Lower | Upper |
| WDBC | 2 | 0.06048 | 0.05100 | 0.06995 | 0.06137 | 0.05115 | 0.07159 | 3 | 0.06220 | 0.05061 | 0.07378 | 0.06586 | 0.05283 | 0.07889 | 4 | 0.17967 | 0.13465 | 0.22470 | 0.18209 | 0.13502 | 0.22915 | 5 | 0.18247 | 0.13453 | 0.23042 | 0.18533 | 0.13494 | 0.23572 | 6 | 0.17079 | 0.12100 | 0.22059 | 0.17506 | 0.12244 | 0.22768 | 7 | 0.22981 | 0.15569 | 0.30393 | 0.23242 | 0.15547 | 0.30937 | 8 | 0.19547 | 0.13585 | 0.25509 | 0.19844 | 0.13601 | 0.26088 | 9 | 0.17247 | 0.12025 | 0.22468 | 0.17563 | 0.12098 | 0.23028 | 10 | 0.18893 | 0.12504 | 0.25282 | 0.19963 | 0.13171 | 0.26754 |
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