362 citations · 612 across the 28 of their papers we have counts for
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stat.ML2023
Some issues in robust clustering
Christian Hennig
Some key issues in robust clustering are discussed with focus on Gaussian mixture model based clustering, namely the formal definition of outliers, ambiguity between groups of outl…
stat.ML2019
Clustering with the Average Silhouette Width
Fatima Batool, Christian Hennig
The Average Silhouette Width (ASW; Rousseeuw (1987)) is a popular cluster validation index to estimate the number of clusters. Here we address the question whether it also is suita…
stat.ML2016★ 362 cited
Recovering the number of clusters in data sets with noise features using feature rescaling factors
Renato Cordeiro de Amorim, Christian Hennig
In this paper we introduce three methods for re-scaling data sets aiming at improving the likelihood of clustering validity indexes to return the true number of spherical Gaussian…