Xiaohui Chen

activity

20182024

K

-means for clustering probability distributions

5 citations · 6 across the 3 of their papers we have counts for

collaborators

Showing 2020Show all

2 papers · 1 filter

math.PR2020

A note on Stein equation for weighted sums of independent $χ^{2}$ distributions

Xiaohui Chen, Partha Dey

This note provides the Stein equation for weighted sums of independent $χ^{2}$ distributions.

math.ST2020

Cutoff for exact recovery of Gaussian mixture models

Xiaohui Chen, Yun Yang

We determine the information-theoretic cutoff value on separation of cluster centers for exact recovery of cluster labels in a $K$ -component Gaussian mixture model with equal clust…

A note on Stein equation for weighted sums of independent χ2 distributions

Cutoff for exact recovery of Gaussian mixture models

A note on Stein equation for weighted sums of independent $χ^{2}$ distributions