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Journal of the Royal Statistical Society Series C (Applied Statistics)
Article . 2022 . Peer-reviewed
License: CC BY NC ND
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zbMATH Open
Article . 2022
Data sources: zbMATH Open
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Robust Correspondence Analysis

Robust correspondence analysis
Authors: Riani, Marco; Atkinson, Anthony C.; Torti, Francesca; Corbellini, Aldo;

Robust Correspondence Analysis

Abstract

AbstractCorrespondence analysis is a method for the visual display of information from two-way contingency tables. We introduce a robust form of correspondence analysis based on minimum covariance determinant estimation. This leads to the systematic deletion of outlying rows of the table and to plots of greatly increased informativeness. Our examples are trade flows of clothes and consumer evaluations of the perceived properties of cars. The robust method requires that a specified proportion of the data be used in fitting. To accommodate this requirement we provide an algorithm that uses a subset of complete rows and one row partially, both sets of rows being chosen robustly. We prove the convergence of this algorithm.

Countries
Italy, United Kingdom
Keywords

informative plotting, automobile comparisons, minimum covariance determinant estimation, robustness, outlier detection, Applications of statistics, contingency table analysis

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
8
Top 10%
Average
Top 10%
Green
hybrid