Response-based multiple imputation method for minimizing the impact of covariate detection limit in logistic regression

Shahadut Hossain, Zahirul Hoque and Jacek Wesolowski

Communications in Statistics - Theory and Methods, 2021, vol. 50, issue 2, 371-386

Abstract: Presence of detection limit (DL) in covariates causes inflated bias and inaccurate mean squared error to the estimators of the regression parameters. This paper suggests a response-driven multiple imputation method to correct the deleterious impact introduced by the covariate DL in the estimators of the parameters of simple logistic regression model. The performance of the method has been thoroughly investigated, and found to outperform the existing competing methods. The proposed method is computationally simple and easily implementable by using three existing R libraries. The method is robust to the violation of distributional assumption for the covariate of interest.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:taf:lstaxx:v:50:y:2021:i:2:p:371-386

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DOI: 10.1080/03610926.2019.1635699

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