Exploring Cook's Statistic Graphically

Exploring Cook's Statistic Graphically

An index plot of Cook's statistic is frequently used to highlight influential observations. In this article we illustrate how enhanced higher dimensional plots of Cook's statistic can provide further useful information about sets of influential observations. We provide examples using norma...

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Veröffentlicht in:The American statistician 1995-11, Vol.49 (4), p.389-394
Hauptverfasser: Hines, R. J. O'Hara, Hines, W. G. S.
Format: Artikel
Sprache:eng
Schlagworte:
Body weight
Circles
Distribution theory
Dosage
Exact sciences and technology
Exploratory data analysis
Generalized linear model
Graphs
Groups of influential observations
Larvae
Linear models
Linear regression
Liver
Masked influence
Mathematics
Mortality
Multivariate analysis
Probability and statistics
Sciences and techniques of general use
Statistical Practice
Statistics
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Beschreibung
Zusammenfassung:An index plot of Cook's statistic is frequently used to highlight influential observations. In this article we illustrate how enhanced higher dimensional plots of Cook's statistic can provide further useful information about sets of influential observations. We provide examples using normal and generalized linear models.
ISSN:0003-1305
1537-2731
DOI:10.1080/00031305.1995.10476191