Hierarchical hesitant fuzzy K-means clustering algorithm

摘要

Due to the limitation and hesitation in one's knowledge,the membership degree of an element to a given set usually has a few different values,in which the conventional fuzzy sets are invalid. Hesitant fuzzy sets are a powerful tool to treat this case. The present paper focuses on investigating the clustering technique for hesitant fuzzy sets based on the K-means clustering algorithm which takes the results of hierarchical clustering as the initial clusters. Finally,two examples demonstrate the validity of our algorithm.