Sample size estimation: PowerTOST [Software]

posted by Helmut Homepage – Vienna, Austria, 2018-06-28 10:57 (941 d 00:39 ago) – Posting: # 18989
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Hi libaiyi,

» Is there any R package available for statistical analysis of william design or 3*3 design when there exists R, T1, T2?

The function sampleN.TOST() of package PowerTOST. After installing/attaching in the R-console or the command window of R Studio type known.designs() to see what is covered. In sampleN.TOST() use the argument design (i.e., design="3x6x3" for the six-sequence Williams’ design or design="3x3" for the Latin Square).
For low to moderate CVs sample sizes will be identical.

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