Standard Article

Random Effects

Environmental Health

  1. Walter W. Piegorsch

Published Online: 15 JAN 2013

DOI: 10.1002/9780470057339.var005.pub2

Encyclopedia of Environmetrics

Encyclopedia of Environmetrics

How to Cite

Piegorsch, W. W. 2013. Random Effects . Encyclopedia of Environmetrics. 5.

Author Information

  1. University of South Arizona, AZ, USA

Publication History

  1. Published Online: 15 JAN 2013


A brief introduction is given on incorporation of random-effect components for the factors in an analysis of variance calculation. Extensions to mixed-effects models and generalized linear mixed models are also noted.


  • analysis of variance;
  • intraclass correlation;
  • mixed effects;
  • variance components;
  • generalized linear mixed model