computeMHPBoundaries | R Documentation |

Compute the three modified Haybittle-Peto boundaries

computeMHPBoundaries(prevalence, N, alpha, beta, eps, futilityOnly = FALSE)

`prevalence` |
the vector of prevalences between 0 and 1 summing
to 1. |

`N` |
a three-vector of total sample size at each stage |

`alpha` |
the type I error |

`beta` |
the type II error |

`eps` |
the fraction (between 0 and 1) of the type 1 error to spend in the interim stages 1 and 2 |

`futilityOnly` |
a logical value indicating only the futility
boundary is to be computed; default |

a named vector of three values containing
*btilde*, b, c

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