A New Graphical Method for Detecting Single and Multiple Outliers in Univariate and Multivariate Data

J. Bacon‐Shone and W. K. Fung

Journal of the Royal Statistical Society Series C, 1987, vol. 36, issue 2, 153-162

Abstract: A new graphical approach based on Wilks's (1963) statistic is proposed. The method is found to be useful in the detection of outliers in univariate and multivariate data. Masking and swamping effects in the sample are easily revealed. The method is illustrated with examples and simulations.

Date: 1987
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