| butterfly | Butterfly data |
| cl.memb | Cluster membership |
| cl.memb.H | Cluster membership |
| cl.memb.t | Cluster membership |
| cl.size | Cluster size |
| cl.size.H | Cluster size |
| Fclust | Interactive fuzzy clustering analysis |
| Fclust.index | Clustering indices |
| FKM | Fuzzy _k_-means |
| FKM.ent | Fuzzy _k_-means with entropy regularization |
| FKM.ent.noise | Fuzzy _k_-means with entropy regularization and noise cluster |
| FKM.gk | Gustafson and Kessel - like fuzzy _k_-means |
| FKM.gk.ent | Gustafson and Kessel - like fuzzy _k_-means with entropy regularization |
| FKM.gk.ent.noise | Gustafson and Kessel - like fuzzy _k_-means with entropy regularization and noise cluster |
| FKM.gk.noise | Gustafson and Kessel - like fuzzy _k_-means with noise cluster |
| FKM.med | Fuzzy _k_-medoids |
| FKM.med.noise | Fuzzy _k_-medoids with noise cluster |
| FKM.noise | Fuzzy _k_-means with noise cluster |
| FKM.pf | Fuzzy _k_-means with polynomial fuzzifier |
| FKM.pf.noise | Fuzzy _k_-means with polynomial fuzzifier and noise cluster |
| Hraw | Raw prototypes |
| Mc | McDonald's data |
| MPC | Modified partition coefficient |
| PC | Partition coefficient |
| PE | Partition entropy |
| plot.fclust | Plotting fuzzy clustering output |
| print.fclust | Printing fuzzy clustering output |
| SIL | Silhouette index |
| SIL.F | Fuzzy silhouette index |
| summary.fclust | Summarizing fuzzy clustering output |
| synt.data | Synthetic data |
| unemployment | Unemployment data |
| VAT | Visual Assessment of (Cluster) Tendency |
| VCV | Visual Cluster Validity |
| VCV2 | (New) Visual Cluster Validity |
| VIFCR | Visual inspection of fuzzy clustering results |
| XB | Xie and Beni index |