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Ralph Dennis Cook (born June 20, 1944) is an American statistician, mostly known for Cook's distance and the Cook–Weisberg test. Cook is a professor of statistics at the University of Minnesota.

After graduating from Northern Montana College (1967), Cook earned his master's (1969) and Ph.D. (1971) degrees from Kansas State University. His dissertation, The Dynamics of Finite Populations: The Effects of Variable Selection Intensity and Population Size on the Expected Time to Fixation and the Ultimate Probability of Fixation of an Allele, was supervised by Raj Nassar.

He is the author of several books, including Introduction to Envelopes: Dimension Reduction for Efficient Estimation in Multivariate Statistics and Residuals and Influence in Regression.

In 1982 he was elected as a Fellow of the American Statistical Association.

References

1. Cook, R. Dennis (February 1977). "Detection of Influential Observations in Linear Regression". Technometrics. 19 (1). American Statistical Association: 15–18. doi:10.2307/1268249. JSTOR 1268249. MR 0436478.
2. Cook, R. D.; Weisberg, S. (1983). "Diagnostics for Heteroscedasticity in Regression". Biometrika. 70 (1): 1–10. doi:10.1093/biomet/70.1.1. hdl:11299/199411.
3. Curriculum Vitae: R. Dennis Cook
4. R. Dennis Cook at the Mathematics Genealogy Project
5. Dennis Cook, R. (9 October 2018). An Introduction to Envelopes: Dimension Reduction for Efficient Estimation in Multivariate Statistics. John Wiley & Sons. ISBN 978-1119422938.
6. Cook, R. D.; Weisberg, S. (21 October 1982). Residuals and Influence in Regression. Taylor & Francis. ISBN 041224280X.
7. View/Search Fellows of the ASA, accessed 2016-10-15.

External links

• Website at University of Minnesota

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