J. Anim Sci.
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J. Anim Sci. 1962. 21:426-427.
© 1962 American Society of Animal Science
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Number of Paired Observations Needed for Estimating Repeatability and Heritability from Regression Analyses

S. R. Searle1

New Zealand Dairy Production & Marketing Board, Wellington, New Zealand

Abstract

A formula, developed earlier, for estimating the number of paired observations needed when estimating repeatability or heritability by a regression analysis, is used for presenting tables for the simple one-class situation. These tables are shown to be directly adaptable to within-class analyses through using a multiplication factor dependent on the average number of animals per class.

Footnotes

1 Present address: Biometrics Unit, Cornell University, Ithaca, New York.






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Copyright © 1962 by the American Society of Animal Science.