3 papers
stat.ME2026
Evaluating Black-Box Classifiers via Stable Adaptive Two-Sample Inference
Yuchen Chen, Jing Lei
We consider the problem of evaluating black-box multi-class classifiers. In the standard setup, we observe class labels generated according to the conditi…
math.ST2024
Minimax Optimal Probability Matrix Estimation For Graphon With Spectral Decay
Yuchen Chen, Jing Lei
We study the optimal estimation of probability matrices of random graph models generated from graphons. This problem has been extensively studied in the case of step-graphons and H…
stat.ME2024
De-Biased Two-Sample U-Statistics With Application To Conditional Distribution Testing
Yuchen Chen, Jing Lei
In some high-dimensional and semiparametric inference problems involving two populations, the parameter of interest can be characterized by two-sample U-statistics involving some n…