Improving robust ratio estimation in longitudinal surveys with outlier observations
The Hulliger’s robust estimation technique consists in the re-weighting of units identified as outliers through a Robustified Ratio Estimator (RRE), according to which outliers contribute to the final estimate with a sample weight reduced with respect to the original one. Outlier observations are id...
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Format: | Article |
Language: | English |
Published: |
University of Bologna
2013-05-01
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Series: | Statistica |
Online Access: | http://rivista-statistica.unibo.it/article/view/3575 |