Showing 2026 · stat.MEShow all
2 papers · 2 filters
stat.ME2026
Learning a directed acyclic graph with additive heteroscedastic errors
Xintao Xia, Li Chen, Yue Hu +1
This paper studies causal discovery for a directed acyclic graph under a structural equation model with additive heteroscedastic errors. We first establish new identifiability resu…
stat.ME2026
Model Checking for Regressions Based on Weighted Residual Processes with Diverging Number of Predictors
Yue Hu, Haiqi Li, Xintao Xia
The integrated conditional moment (ICM) test is a classical and widely used method for assessing the adequacy of regression models. Although it performs well in fixed-dimension set…