Title :
Comparison of fuzzy clustering algorithms for classification
Author :
Almeida, R.J. ; Sousa, J.M.C.
Author_Institution :
Dept. of Mech. Eng., Tech. Univ. of Lisbon
Abstract :
The identification of fuzzy models for classification is a very complex task. Often, real world databases have a large number of features and the most relevant ones must be chosen. Recently, a new automatic feature selection for classification problems was proposed to construct compact fuzzy classification models. This technique used the classical fuzzy c-means algorithm. However, other fuzzy clustering algorithms, such as possibilistic c-means, fuzzy possibilistic c-means or possibilistic fuzzy c-means can be used to cluster the data. An open topic of research is what clustering algorithms can be used to derive fuzzy models for classification. This paper addresses this topic, by comparing fuzzy clustering algorithms in terms of computational efficiency and accuracy in classification problems. The algorithms were tested in well-known data sets: iris plant, wine, hepatitis, breast cancer and in a difficult real-world problem: the prediction of bankruptcy
Keywords :
feature extraction; fuzzy set theory; pattern classification; pattern clustering; automatic feature selection; data clustering; data mining; fuzzy c-means; fuzzy classification; fuzzy clustering; Classification algorithms; Clustering algorithms; Computational efficiency; Data mining; Decision making; Fuzzy systems; Partitioning algorithms; Pattern analysis; Spatial databases; Testing; Fuzzy classification; feature selection; fuzzy clustering; missing data; weighted classification;
Conference_Titel :
Evolving Fuzzy Systems, 2006 International Symposium on
Conference_Location :
Ambleside
Print_ISBN :
0-7803-9719-3
Electronic_ISBN :
0-7803-9719-3
DOI :
10.1109/ISEFS.2006.251138