activity
20142026
most citedProjected principal component analysis in factor models

155 citations · 294 across the 14 of their papers we have counts for

collaborators

15 papers

cs.RO2026

PointWalker: Mapless Quadruped Locomotion Directly From Raw LiDAR Point Clouds

Sicen Li, Zhen Chu, Chao Li +3

Quadruped robots deployed for inspection and field missions must cross heterogeneous terrain, from stairs, slopes, and gaps to high platforms, stepping stones, and balance beams, w…

stat.ME2023★ 3 cited

Spectral Ranking Inferences based on General Multiway Comparisons

Jianqing Fan, Zhipeng Lou, Weichen Wang +1

This paper studies the performance of the spectral method in the estimation and uncertainty quantification of the unobserved preference scores of compared entities in a general and…

stat.ML2023

Inference on Time Series Nonparametric Conditional Moment Restrictions Using General Sieves

Xiaohong Chen, Yuan Liao, Weichen Wang

General nonlinear sieve learnings are classes of nonlinear sieves that can approximate nonlinear functions of high dimensional variables much more flexibly than various linear siev…

stat.ME2022★ 5 cited

Ranking Inferences Based on the Top Choice of Multiway Comparisons

Jianqing Fan, Zhipeng Lou, Weichen Wang +1

This paper considers ranking inference of items based on the observed data on the top choice among randomly selected items at each trial. This is a useful modification of t…

math.CO2022

Some statistics on generalized Motzkin paths with vertical steps

Yidong Sun, Di Zhao, Wenle Shi +1

Recently, several authors have considered lattice paths with various steps, including vertical steps permitted. In this paper, we consider a kind of generalized Motzkin paths, call…

math.ST2021

Volatility prediction comparison via robust volatility proxies: An empirical deviation perspective

Weichen Wang, Ran An, Ziwei Zhu

Volatility forecasting is crucial to risk management and portfolio construction. One particular challenge of assessing volatility forecasts is how to construct a robust proxy for t…