Linear Regression Models with Incomplete Categorical Covariates

  title={Linear Regression Models with Incomplete Categorical Covariates},
  author={Helge Toutenburg and Thomas Nittner},
  journal={Computational Statistics},
SummaryWe present three different methods based on the conditional mean imputation when binary explanatory variables are incomplete. Apart from the single imputation and multiple imputation especially the so-called pi imputation is presented as a new procedure. Seven procedures are compared in a simulation experiment when missing data are confined to one independent binary variable: complete case analysis, zero order regression, categorical zero order regression, pi imputation, single… CONTINUE READING


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