Effect of Parameter Selection on Fuzzy Clustering
Öz
Clustering is one of the
most useful tasks in data mining process for discovering groups and identifying
interesting distributions and patterns in the underlying data. Cluster analysis
seeks to partition given data set into groups based on specified features so
that the data points within a group are more similar to each other than the
points in different groups. Clustering can be performed in hard or fuzzy mode.
One of the important conditions in order to reach accurate results in
clustering analysis is to determine the initial parameters. In many studies,
researchers do not have prior information about the number of clusters.
Clustering algorithms in general need the number of clusters as a prior, which
is mostly hard for domain expert to estimate. In this work, in order to
overcome this problem, cluster validity indices in literature were reviewed and
these indices were used in genetic data set. The result was simply analyzed and
according to the analysis, validity indices do not always discover the optimal
number of clusters.
Anahtar Kelimeler
Kaynakça
- Bezdek J.C., Fuzzy mathematics in pattern classification, Ph.D. Dissertation, Cornell University, Ithaca, NY, 1973.
- Bezdek J.C., “Cluster validity with fuzzy sets”, J. Cybernet., 3, 58–73, 1974.
- Bezdek J.C., Pattern Recognition with Fuzzy Objective Function Algorithms, Plenum Press, New York, 1981.
- Dave R.N., “Validating fuzzy partition obtained through c-shells clustering”, Pattern Recognition Lett., 17, 613–623, 1996.
- El-Melegy, M.T., Zanaty, E.A., Abd-Elhafiez, W.M. and Farag, A., "On cluster validity indexes in fuzzy and hard clustering algorithms for image segmentation”, IEEE international conference on computer vision, vol. 6, VI 5-8, 2007.
- Fukuyama Y. and Sugeno M., “A new method of choosing the number of clusters for the fuzzy c-means method”, in: Proc. Fifth Fuzzy Systems Symp., 1989, pp. 247–250.
- Hartigan J.A, Clustering Algorithms, Wiley, NewYork, 1975.
- https://archive.ics.uci.edu/ml/datasets.html.
Ayrıntılar
Birincil Dil
İngilizce
Konular
Mühendislik
Bölüm
Araştırma Makalesi
Yayımlanma Tarihi
30 Mart 2018
Gönderilme Tarihi
2 Kasım 2017
Kabul Tarihi
15 Kasım 2017
Yayımlandığı Sayı
Yıl 2018 Cilt: 2 Sayı: 1
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