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Robust Three-Step Regression Based on Comedian and Its Performance in Cell-Wise and Case-Wise Outliers
2020
Mathematics
Both cell-wise and case-wise outliers may appear in a real data set at the same time. Few methods have been developed in order to deal with both types of outliers when formulating a regression model. In this work, a robust estimator is proposed based on a three-step method named 3S-regression, which uses the comedian as a highly robust scatter estimate. An intensive simulation study is conducted in order to evaluate the performance of the proposed comedian 3S-regression estimator in the
doi:10.3390/math8081259
fatcat:wu6u7m2isbeldak3bzey4rnp4u