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stat.ME2023
Efficient Multiple-Robust Estimation for Nonresponse Data Under Informative Sampling
Kosuke Morikawa, Kenji Beppu, Wataru Aida
Nonresponse after probability sampling is a universal challenge in survey sampling, often necessitating adjustments to mitigate sampling and selection bias simultaneously. This stu…
stat.ME2023
Verifiable identification condition for nonignorable nonresponse data with categorical instrumental variables
Kenji Beppu, Kosuke Morikawa
We consider a model identification problem in which an outcome variable contains nonignorable missing values. Statistical inference requires a guarantee of the model identifiabilit…