5 papers
On randomized batch-sampling coordinate descent methods for solving linear least-squares problems
Dong-Yue Xie, Xi Yang
This paper refines randomized block coordinate descent by introducing a coordinate-level batch-sampling distribution characterization, yielding a fine-grained randomized batch-samp…
Sequential Preconditioned Conjugate Gradient Method for Linear Statistical Models
Guan-Yu Chen, Dong-Yue Xie, Xi Yang +1
We propose a randomized iterative method for the ordinary least-squares estimation problem in large-scale linear statistical models, namely the Sequential Preconditioned Conjugate…
Randomized batch-sampling Kaczmarz methods for solving linear systems
Dong-Yue Xie, Xi Yang
To conduct a more in-depth investigation of randomized solvers for solving linear systems, we adopt a unified randomized batch-sampling Kaczmarz framework with per-iteration costs…
Sequential Least-Squares Estimators with Fast Randomized Sketching for Linear Statistical Models
Guan-Yu Chen, Dong-Yue Xie, Xi Yang
We propose a novel randomized framework for the estimation problem of large-scale linear statistical models, namely Sequential Least-Squares Estimators with Fast Randomized Sketchi…
Off-Policy Selection for Initiating Human-Centric Experimental Design
Ge Gao, Xi Yang, Qitong Gao +3
In human-centric tasks such as healthcare and education, the heterogeneity among patients and students necessitates personalized treatments and instructional interventions. While r…