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Analysis of Covariance

In: A First Course in Linear Models and Design of Experiments

Author

Listed:
  • N. R. Mohan Madhyastha

    (University of Mysore, Department of Studies in Statistics)

  • S. Ravi

    (University of Mysore, Department of Studies in Statistics)

  • A. S. Praveena

    (University of Mysore, Department of Studies in Statistics)

Abstract

In many experiments, for each experimental unit, we may have observations on one or more supplementary variables in addition to the yield. These variables are called concomitant variables. If the concomitant variables are unrelated to treatments and influence the yield, the variation in yield caused by them should be eliminated before comparing treatments. A technique of analysis which eliminates the variation in yield due to these concomitant variables is known as Analysis of Covariance. Let us look at some examples.

Suggested Citation

  • N. R. Mohan Madhyastha & S. Ravi & A. S. Praveena, 2020. "Analysis of Covariance," Springer Books, in: A First Course in Linear Models and Design of Experiments, chapter 0, pages 165-181, Springer.
    • Handle: RePEc:spr:sprchp:978-981-15-8659-0_6
    DOI: 10.1007/978-981-15-8659-0_6
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