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Determination of Optimal Block Designs With Pre-assigned Variance For Elementary Contrasts
Journal article   Peer reviewed

Determination of Optimal Block Designs With Pre-assigned Variance For Elementary Contrasts

Seemon Thomas, Alex Thannippara, S. C. Bagui and D. K. Ghosh
Journal of modern applied statistical methods, Vol.5(2), pp.390-394
11/2006
Web of Science ID: WOS:000415505000012

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Abstract

A method for obtaining optimal designs from the class of variance balanced and connected designs was developed for comparing treatment effects with a pre-assigned variance. The properties of the C-matrix of a block design are employed in developing this method. Some new results concerning the design parameters and the non-zero characteristic root of the C-matrix are also presented.

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