2 citations · 3 across the 2 of their papers we have counts for
2 papers
stat.ME2022★ 1 cited
Selecting Valid Instrumental Variables in Linear Models with Multiple Exposure Variables: Adaptive Lasso and the Median-of-Medians Estimator
Xiaoran Liang, Eleanor Sanderson, Frank Windmeijer
In a linear instrumental variables (IV) setting for estimating the causal effects of multiple confounded exposure/treatment variables on an outcome, we investigate the adaptive Las…
stat.ME2021★ 2 cited
Agglomerative Hierarchical Clustering for Selecting Valid Instrumental Variables
Nicolas Apfel, Xiaoran Liang
We propose a procedure which combines hierarchical clustering with a test of overidentifying restrictions for selecting valid instrumental variables (IV) from a large set of IVs. S…