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Analysis of experiments using the asymptotic quasi-likelihood approach

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  • Sifa Mvoi
  • Yan-Xia Lin

Abstract

Comparison of treatment effects in an experiment is usually done through analysis of variance under the assumption that the errors are normally and independently distributed with zero mean and constant variance. The traditional approach in dealing with non-constant variance is to apply a variance stabilizing transformation and then run the analysis on the transformed data. In this approach, the conclusions of analysis of variance apply only to the transformed population. In this paper, the asymptotic quasi-likelihood method is introduced to the analysis of experimental designs. The weak assumptions of the asymptotic quasi-likelihood method make it possible to draw conclusions on heterogeneous populations without transforming them. This paper demonstrates how to apply the asymptotic quasi-likelihood technique to three commonly used models. This gives a possible way to analyse data given a complex experimental design.

Suggested Citation

  • Sifa Mvoi & Yan-Xia Lin, 2003. "Analysis of experiments using the asymptotic quasi-likelihood approach," Journal of Applied Statistics, Taylor & Francis Journals, vol. 30(5), pages 485-505.
    • Handle: RePEc:taf:japsta:v:30:y:2003:i:5:p:485-505
    DOI: 10.1080/0266476032000053646
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