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math.ST2021★ 3 cited
The EM Perspective of Directional Mean Shift Algorithm
Yikun Zhang, Yen-Chi Chen
The directional mean shift (DMS) algorithm is a nonparametric method for pursuing local modes of densities defined by kernel density estimators on the unit hypersphere. In this pap…
math.ST2015★ 7 cited
Risk Bounds For Mode Clustering
Martin Azizyan, Yen-Chi Chen, Aarti Singh +1
Density mode clustering is a nonparametric clustering method. The clusters are the basins of attraction of the modes of a density estimator. We study the risk of mode-based cluster…