View source: R/ISV.Equivalence.R
ISV.Equivalence | R Documentation |
the ratio = within-subject variance of treatment T / within-subject variance of treatment R
Ho: the ratio \ge \delta
or the ratio \le \frac{1}{\delta}
Ha: \le \frac{1}{\delta}
< the ratio < \delta
ISV.Equivalence(alpha, beta, sigma1, sigma2, m, margin)
alpha |
significance level |
beta |
power = 1-beta |
sigma1 |
within-subject variance of treatment 1 |
sigma2 |
within-subject variance of treatment 2 |
m |
for each subject, there are m replicates. |
margin |
margin=delta, the true ratio of sigma1/sigma2 |
Chow SC, Shao J, Wang H. Sample Size Calculation in Clinical Research. New York: Marcel Dekker, 2003
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