Robustness of diallel cross designs against the loss of any number of observations (crosses) in a block
2002
Lal, K. | Jeisobers,T. (Indian Agricultural Statistics Research Institute, New Delhi (India))
The robustness of universal optimal binary balanced block (BBB) designs for diallel crosses has been investigated for the loss of any t ( 1) observations (crosses) in a single block as per connectedness and A-efficiency criteria. It is observed that all the BBB designs for diallelcrosses with the minimum eigenvalue strictly greater than 2 are robust as per connectedness criterion. Further A-efficiency of the residual design in comparison to original design, except the BBB design for diallel crosses with 4 lines, 3 blocks each of size 2, is also computed for the loss of any t ( 1) crosses in a block. the designs which are not robust as per A-efficiency criterion are also identified.
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