13 citations · 32 across the 13 of their papers we have counts for
Showing 2020Show all
3 papers · 1 filter
stat.ME2020★ 7 cited
Dynamic Algorithms for Online Multiple Testing
Ziyu Xu, Aaditya Ramdas
We derive new algorithms for online multiple testing that provably control false discovery exceedance (FDX) while achieving orders of magnitude more power than previous methods. Th…
stat.ML2020★ 13 cited
Class-Weighted Classification: Trade-offs and Robust Approaches
Ziyu Xu, Chen Dan, Justin Khim +1
We address imbalanced classification, the problem in which a label may have low marginal probability relative to other labels, by weighting losses according to the correct class. F…
stat.ML2020★ 1 cited
Multiclass Classification via Class-Weighted Nearest Neighbors
Justin Khim, Ziyu Xu, Shashank Singh
We study statistical properties of the k-nearest neighbors algorithm for multiclass classification, with a focus on settings where the number of classes may be large and/or classes…