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Ho: \(\mu_{1}-\mu_{2}=0\)
Ha: not equal to 0
WilliamsDesign.Equality(alpha, beta, sigma, sequence, delta)
significance level
power = 1-beta
standard deviation in crossover design
total sequence number
delta=\(\mu_{1}-\mu_{2}\)
Chow SC, Shao J, Wang H. Sample Size Calculation in Clinical Research. New York: Marcel Dekker, 2003
# NOT RUN { Example.4.5.4<-WilliamsDesign.Equality(0.05,0.2,0.75^2,6,0.2) Example.4.5.4 # }
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