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September, 1956 The Efficiency Factor of an Incomplete Block Design
Oscar Kempthorne
Ann. Math. Statist. 27(3): 846-849 (September, 1956). DOI: 10.1214/aoms/1177728193


It is shown that the efficiency factor of a design is $r$ times the harmonic mean of the latent roots of the reduced intrablock normal equations exclusing the root which is always zero.


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Oscar Kempthorne. "The Efficiency Factor of an Incomplete Block Design." Ann. Math. Statist. 27 (3) 846 - 849, September, 1956.


Published: September, 1956
First available in Project Euclid: 28 April 2007

zbMATH: 0072.36702
MathSciNet: MR88141
Digital Object Identifier: 10.1214/aoms/1177728193

Rights: Copyright © 1956 Institute of Mathematical Statistics

Vol.27 • No. 3 • September, 1956
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