Residual plots in up to four dimensions

R. Dennis Cook, Sanford Weisberg

Research output: Contribution to journalArticlepeer-review

Abstract

We discuss the use of selected modern graphical methods for enhancing the use of residual and added variable plots to assess the adequacy of a linear regression model. Emphasis is placed on rotation in up to four dimensions. It is shown that three- and four-dimensional residual plots can be an effective supplement to standard two-dimensional diagnostic plotting. Situations in which the standard plot of residuals versus fitted values can be expected to diagnose model deficiency are studied as well.

Original languageEnglish (US)
Pages (from-to)141-149
Number of pages9
JournalJournal of Statistical Planning and Inference
Volume36
Issue number2-3
DOIs
StatePublished - Jan 1 1993

Keywords

  • Added variable plots
  • curvature
  • dynamic graphics
  • linear models

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