A novel internal validity index based on the cluster centre and the nearest neighbour cluster

Some methods for classification and analysis of multivariate observations

James B. MacQueen · Defense Technical Information Center (DTIC) · 1967 · 22.8K citations

Natural Sciences, Mathematics, Statistical Computing +16

Silhouettes: A graphical aid to the interpretation and validation of cluster analysis

Peter J. Rousseeuw · Journal of Computational and Applied Mathematics · 1987 · 20.7K citations

Computing, Visualization, Data Visualization +7

Finding groups in data: an introduction to cluster analysis

Choice Reviews Online · 1991 · 10.6K citations

Computing, Biostatistics, Data Science +16

A Cluster Separation Measure

David L. Davies, Donald W. Bouldin · IEEE Transactions on Pattern Analysis and Machine Intelligence · 1979 · 8.8K citations

Computing, Data Science, Data Analytics +12

Clustering by Passing Messages Between Data Points

Brendan J. Frey, Delbert Dueck · Science · 2007 · 6.9K citations

Computing, Computer Science, Data Science +14