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Afshartous, David; Preston, Richard A. – Journal of Statistics Education, 2011
We consider the effect on estimation of simultaneous variable centering and interaction effects in linear regression. We technically define, review, and amplify many of the statistical issues for interaction models with centering in order to create a useful and compact reference for teachers, students, and applied researchers. In addition, we…
Descriptors: Interaction, Regression (Statistics), Computation, Research Methodology