19 citations · 21 across the 4 of their papers we have counts for
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math.ST2021
Survival Analysis with Graph-Based Regularization for Predictors
Liyan Xie, Xi He, Pinar Keskinocak +1
We study the variable selection problem in survival analysis to identify the most important factors affecting survival time. Our method incorporates prior knowledge of mutual corre…
stat.ML2021★ 19 cited
Early Detection of COVID-19 Hotspots Using Spatio-Temporal Data
Shixiang Zhu, Alexander Bukharin, Liyan Xie +4
Recently, the Centers for Disease Control and Prevention (CDC) has worked with other federal agencies to identify counties with increasing coronavirus disease 2019 (COVID-19) incid…