2 papers
math.ST2025
Nonparametric Inference on Unlabeled Histograms
Yun Ma, Pengkun Yang
Statistical inference on histograms and frequency counts plays a central role in categorical data analysis. Moving beyond classical methods that directly analyze labeled frequencie…
math.ST2025
On the best approximation by finite Gaussian mixtures
Yun Ma, Yihong Wu, Pengkun Yang
We consider the problem of approximating a general Gaussian location mixture by finite mixtures. The minimum order of finite mixtures that achieve a prescribed accuracy (measured b…