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A note on the method of “differential regression” in analysis of variance

Published online by Cambridge University Press:  27 March 2009

Walter A. Hendricks
Walter A. Hendricks
Affiliation:
Bureau of Animal Industry, U.S. Department of Agriculture, Washington, D.C.
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Extract

Some time ago, the author (Hendricks, 1935a) pointed out a modification which may occasionally be desirable in the application of co-variance analysis to experimental data. It was suggested that, in some instances, it is more logical to base the analysis on the assumption that the slope of the line of regression varies from class to class than on the assumption that the regression coefficient has the same value for each class of observations.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 27 , Issue 2 , April 1937 , pp. 188 - 190
Copyright
Copyright © Cambridge University Press 1937

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References

REFERENCES

Bartlett, M. S.Proc. Camb. phil. Soc. (1934), 30, 327.Google Scholar
Fisher, R. A.Statistical Methods for Research Workers, 4th ed. (1932). Edinburgh and London: Oliver and Boyd.Google Scholar
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Hendricks, W. A.J. agric. Sci. (1935 a), 25, 258.CrossRefGoogle Scholar
Hendricks, W. A.Ann. math. Statist. (1935 b), 6, 117.Google Scholar
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