Isolating one-cell interactions

Research output: Contribution to journalArticlepeer-review


Robust regression can be used to identify one-cell interactions in multiway factorial designs. One-cell interactions appear as mean slippage outliers to a low-order model, and robust regression gives these cells low mean weight. I use mean cell weight as a diagnostic criterion for one-cell interactions and provide approximate critical values for mean cell weights. Several examples illustrate the method.

Original languageEnglish (US)
Pages (from-to)403-408
Number of pages6
Issue number4
StatePublished - Nov 1994


  • Factorial designs
  • Outliers
  • Robust regression
  • Robust weights

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