Welcome !

Hi, My name is Ruiqi Liu (刘瑞琪).
I am an Assistant Professor in the Department of Mathematics and Statistics at Texas Tech University.

My research focuses on developing statistical procedures to solve real-world problems and understanding the foundations of statistics. You can find my recent work HERE.

A detailed CV can be found HERE.

Contact Information
Office: MA 235, Department of Mathematics & Statistics
Address: Texas Tech University, 1108 Memorial Circle, Lubbock, TX, 79409
Phone: (806) 834-8498
Email: ruiqliu (at) ttu (dot) edu


  • Identification and Estimation in Panel Models with Overspecified Number of Groups (Ruiqi Liu, Zuofeng Shang, Qiankun Zhou and Yonghui Zhang, 2020. Journal of Econometrics, 215, 574-590) Published Version & Preprint
  • A Consistent Test of Independence and Goodness-of-fit in Linear Regression Models (Qiqing Yu and Ruiqi Liu, 2020. Communications in Statistics - Simulation and Computation, to appear) Published Version
  • Statistical Inference on Panel Data Models: A Kernel Ridge Regression Method (Shunan Zhao, Ruiqi Liu and Zuofeng Shang, 2021. Journal of Business & Economic Statistics, 39, 325-337) Published Version & Preprint
  • Testing Community Structure for Hypergraphs (Mingao Yuan, Ruiqi Liu, Yang Feng and Zuofeng Shang, 2021. Annals of Statistics, to appear) Preprint

Previous Semeters

  • STAT 5378 -- Stochastic Processes
  • STAT 5376 -- Statistical Machine Leraning

Fall 2021

  • STAT 5328 -- Intermediate Mathematical Statistics I

Academic Experience