2 papers
stat.ME2019
Semiparametric Imputation Using Conditional Gaussian Mixture Models under Item Nonresponse
Danhyang Lee, Jae Kwang Kim
Imputation is a popular technique for handling item nonresponse in survey sampling. Parametric imputation is based on a parametric model for imputation and is less robust against t…
stat.ME2018
Semiparametric fractional imputation using Gaussian mixture models for handling multivariate missing data
Hejian Sang, Jae Kwang Kim
Item nonresponse is frequently encountered in practice. Ignoring missing data can lose efficiency and lead to misleading inference. Fractional imputation is a frequentist approach…