Research
Publications
Under Revison
  • Statistical Inference with Stochastic Gradient Methods under $\phi$-mixing Data  
    Ruiqi Liu, Xi Chen and Zuofeng Shang, 2023
    Major Revision at Journal of the American Statistical Association

  • Inverse Regression for Spatially Distributed Functional Data
    Suneel Babu Chatla and Ruiqi Liu, 2023
    Major Revision at Bernoulli

  • Calibrating Multi-dimensional Complex ODE from Noisy Data via Deep Neural Networks  
    Kexuan Li, Fangfang Wang, Ruiqi Liu, Fan Yang and Zuofeng Shang, 2021
    Major Revision at Journal of Statistical Planning and Inference

  • Dynamic Resource Matching in Manufacturing using Reinforcement Learning
    Saunak Kumar Panda, Yisha Xiang and Ruiqi Liu, 2023
    Major Revision at European Journal of Operational Research

Preprints
  • Statistical Inference on Partially Linear Panel Model under Unobserved Linearity  
    Ruiqi Liu, Ben Boukai and Zuofeng Shang, 2019

  • On Deep Instrument Variables Estimate  
    Ruiqi Liu, Zuofeng Shang and Guang Cheng, 2020

  • A Computationally Efficient Classification Algorithm in Posterior Drift Model: Phase Transition and Minimax Adaptivity  
    Ruiqi Liu, Kexuan Li and Zuofeng Shang, 2020

  • Minimax Optimal Deep Neural Network Classifiers under Smooth Decision Boundary  
    Tianyang Hu, Ruiqi Liu, Zuofeng Shang and Guang Cheng, 2022

  • Identification and Estimation of Parameter Instability in High Dimensional Approximate Factor Models  
    Ruiqi Liu and Yiru Wang, 2023

  • Estimation and Hypothesis Testing of Derivatives in Smoothing Spline ANOVA Models  
    Ruiqi Liu, Kexuan Li and Meng Li, 2023