Transformations and influential cases in regression

R. D. Cook*, P. C. Wang

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

56 Scopus citations

Abstract

We describe a diagnostic method for assessing the degree to which individual cases and groups of cases influence the Box-Cox likelihood estimate of the transformation parameter for the response variable in linear regression models. We compare the method to a method proposed by Atkinson (1982) and sketch the extension to explanatory variables. We present two examples.

Original languageEnglish
Pages (from-to)337-343
Number of pages7
JournalTechnometrics
Volume25
Issue number4
DOIs
StatePublished - 11 1983
Externally publishedYes

Keywords

  • Box-Cox transformations
  • Cook statistic
  • Power transformations
  • Regression diagnostics

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