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stat.ME2026
Robust Estimation of Polychoric Correlation for Complex Survey Designs Using Minimum Divergence Methods
Siqi Wei, David Kepplinger, Anand N. Vidyashankar
Standard maximum likelihood estimation of polychoric correlations is highly sensitive to contamination in survey data, including response errors, interviewer effects, and careless…
stat.ME2021★ 25 cited
Robust Variable Selection and Estimation Via Adaptive Elastic Net S-Estimators for Linear Regression
David Kepplinger
Heavy-tailed error distributions and predictors with anomalous values are ubiquitous in high-dimensional regression problems and can seriously jeopardize the validity of statistica…