keywords: Crossover design, residual effects, balanced design
Crossover designs are often applied in Clinical trials, Agriculture field experiment, Nutrition experiment, etc. in which there is presence of residual effect of treatment in the current period of treatment application from proceeding period of treatment application. In this paper, we reviewed some methods of construction of complete balanced crossover design for estimation of residual effects given by two authors William and Mausumi for both column and row approach either number of treatment V or N is even and odd the same results were obtained for both.
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