• G. Barrie Wetherill
  • P. Duncombe
  • M. Kenward
  • J. Köllerström
  • S. R. Paul
  • B. J. Vowden
Part of the Monographs on Statistics and Applied Probability book series (MSAP)


We have emphasized in Chapter 2 that outlying observations may occur in a data set due to a variety of causes. There are two quite separate questions which arise and these must be carefully distinguished. One problem is to have some statistical techniques which may indicate outlying observations and so select them for special study. That is the problem which we discuss in the rest of this chapter. The second problem is what to do with these outliers, once they are located, and we make a few remarks on that problem now.


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Further Reading

  1. Paul, S. R. (1985b) A note on maximum likelihood ratio test of no outliers in regression models. Biom. J. (to appear).Google Scholar
  2. Wetherill, G. B. (1981) Intermediate Statistical Methods. Chapman and Hall, London.CrossRefGoogle Scholar

Copyright information

© G. Barrie Wetherill 1986

Authors and Affiliations

  • G. Barrie Wetherill
    • 1
  • P. Duncombe
    • 2
  • M. Kenward
    • 3
  • J. Köllerström
    • 3
  • S. R. Paul
    • 4
  • B. J. Vowden
    • 3
  1. 1.Department of StatisticsThe University of Newcastle upon TyneUK
  2. 2.Applied Statistics Research UnitUniversity of Kent at CanterburyUK
  3. 3.Mathematical InstituteUniversity of Kent at CanterburyUK
  4. 4.Department of Mathematics and StatisticsUniversity of WindsorCanada

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