The degrees of freedom of a variance estimator in a probability sample

Better coverage intervals for estimators from a complex sample survey

The Role of Weights in Regression Modeling and Imputation

Exploring some uses for instrumental-variable calibration weighting

Calibration-Weighting a Stratified Simple Random Sample with SUDAAN

Calibration weighting with a blended (probability and nonprobability) sample: Mean and variance estimation when errors can come from both samples