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stat.ME2024★ 1 cited
Conformalized Tensor Completion with Riemannian Optimization
Hu Sun, Yang Chen
Tensor data, or multi-dimensional arrays, is a data format popular in multiple fields such as social network analysis, recommender systems, and brain imaging. It is not uncommon to…
stat.ME2023★ 1 cited
Matrix Autoregressive Model with Vector Time Series Covariates for Spatio-Temporal Data
Hu Sun, Zuofeng Shang, Yang Chen
We develop a new methodology for forecasting matrix-valued time series with historical matrix data and auxiliary vector time series data. We focus on a time series of matrices defi…