Sankhya: The Indian Journal of Statistics

1993, Volume 55, Series B, Pt. 1, 91-102

OPTIMALITY OF BLOCK DESIGNS IN THE PRESENCE OF TREND

By

DULAL K. BHAUMIK, University of Alabama

 

SUMMARY. It is obvious that in the presence of a linear trend an A-optimal BIBD is Cheng's Type 2 $\psi_f$-optimal. An algorithm for the construction of an A-optimal BIBD in the presence of a linear trend is provided.

AMS(1970)subject classification. 62K05,62K10, 05B05

Key words and phrases. Block designs, trend analysis, $a$-optimality, type 2 criteria connected designs

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