Weighted A-efficiency of block designs for making treatment-control and treatment-treatment comparisons

被引:6
|
作者
Gupta, VK [1 ]
Ramana, DVV [1 ]
Parsad, R [1 ]
机构
[1] Indian Agr Res Inst, New Delhi 110012, India
关键词
treatment-control comparisons; treatment-treatment comparisons; weighted A-optimality; weighted A-efficiency; BTIB designs;
D O I
10.1016/S0378-3758(98)00187-6
中图分类号
O21 [概率论与数理统计]; C8 [统计学];
学科分类号
020208 ; 070103 ; 0714 ;
摘要
The problem of comparing v test treatments and a control in b blocks of size k each is considered. Two different sets of contrasts, test treatment-control and test treatment-test treatment contrasts, are considered. Conditions under which a design is weighted A-optimal for estimating these two sets of contrasts with unequal precision are derived. A general method of construction of BTIB designs is given and their weighted A-efficiencies are worked out. A catalogue of weighted A-efficient BTIB designs is also given. (C) 1999 Published by Elsevier Science B.V. All rights reserved. AMS classifications: primary 62K05; secondary 62K10.
引用
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页码:301 / 319
页数:19
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