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Outlying Cell Identification Method Using Interaction Estimates of Log-linear Models

Hong, Chong Sun;Jung, Min Jung

  • Published : 2003.08.01

Abstract

This work is proposed an alternative identification method of outlying cell which is one of important issues in categorical data analysis. One finds that there is a strong relationship between the location of an outlying cell and the corresponding parameter estimates of the well-fitted log-linear model. Among parameters of log-linear model, an outlying cell is affected by interaction terms rather than main effect terms. Hence one could identify an outlying cell by investigating of parameter estimates in an appropriate log-linear model.

Keywords

Contingency table;Identification;Interaction;Log-linear model;Main effect;Outlying cell;Residual.

References

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