Identification of Outliers in a One-Way Random Effects Model

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Date

2000

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Universitätsbibliothek Dortmund

Abstract

We distinguish between three types of outliers in a one-way ran-dom effects model. These are formally described in terms of their position relative to the main part of the observations. We propose simple rules for identifying such outliers and give an example which involves median-based statistics.

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Keywords

median, median absolute deviation, mixed linear model, random effects, robust statistics, variance components

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