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Handling Missing Observations in the Two-way Analysis of Variance with Interaction

Published online by Cambridge University Press:  03 October 2008

H. A. Abou-El-Fittouh  and
E. O. Taha
H. A. Abou-El-Fittouh
Affiliation:
Central Laboratory for Design and Statistical Analysis Research, Agricultural Research Centre, Giza, Egypt
E. O. Taha
Affiliation:
Department of Statistics, Agricultural Research Station, Wad Medani, Sudan
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Summary

Three procedures for handling missing values in randomized block experiments with more than one observation per plot are examined, and their effects on the resulting expectations of mean squares in the analysis of variance studied. Using the average of the available observations in the plot in which the missing value occurs has the least effect on the validity of the tests of significance and on the estimation of variance components.

Type
Research Article
Information
Experimental Agriculture , Volume 14 , Issue 4 , October 1978 , pp. 381 - 388
Copyright
Copyright © Cambridge University Press 1978

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References

REFERENCES

Abou-El-Fittouh, H. A. & Taha, E. O. (1975). Proc. 11th Stat. & Comp. Sci. Conf., Cairo University, Egypt, 27.Google Scholar
Federer, W. T. (1955). Experimental Design, Theory and Application. New York: Macmillan.Google Scholar
Le Clerg, E. L., Leonard, W. H. & Clark, A. G. (1966). Field Plot Technique. Minneapolis: Burgess.Google Scholar