Power in a Group Sequential Design

Ch01-PwrGSD | Calculate Power in a Group Sequential Design |

Ch02-LanDemets | The Lan-Demets method of Boundary Construction |

Ch03-ObrienFleming | The O'Brien-Fleming Alpha Spending Function |

Ch04-Pow | The Wang-Tsiatis Power Alpha Spending Function |

Ch05-Pocock | The Pocock Alpha Spending Function |

Ch06-SC | The Stochastic Curtailment method of Boundary Construction |

Ch07-Haybittle | The Haybittle method of Boundary Construction |

Ch08-cpd.PwrGSD | Create a skeleton compound PwrGSD object |

Ch09-Power | Extract the Power results |

Ch0A-as.boundaries | Convert a "PwrGSD" object to a "boundaries" object |

Ch0B-Elements | Create a subset of a "cpd.PwrGSD" object |

Ch0C-plot.cpd.PwrGSD | Plot Method for cpd.PwrGSD objects |

Ch0D-GrpSeqBnds | Computes efficacy and futility boundaries |

Ch0E-CondPower | Conditional type I and type II error probabilities given... |

Ch0F-SimGSB | Verifies the results of "GrpSeqBnds" via simulation |

Ch10-wtdlogrank | Weighted log-rank test |

Ch11-IntSurvDiff | Weighted Integrated Survival function test |

Ch12-agghaz | Aggregated Hazard |

Ch13-mysurvfit | My Survfit |

Ch14-mystack | Stack a dataset |

Ch15-CDFOR2LRR | Convert CDF Odds Ratio to Logged Relative Risks |

Ch16-CY2TOShaz | Calender year rates to Study Year Rates |

Ch17-CRRtoRR | Cumulative-risk ratios to risk ratios |

Ch18-RCM2RR | Relative cumulative mortality to Relative Risk |

Ch19-RR2RCM | Relative risk to Relative Cumulative Mortality |

Ch1A-lookup | Lookup values for a piecewise constant function |

Ch1B-lung | Mayo Clinic Lung Cancer Data |

Ch1C-DX | A utility function for forming differences |

Ch1D-pste | The paste operator |

Ch1E-SCtoBdry | Converts a stochastic curtailment boundary (conditional type... |

Ch1F-gsddens | A function for computing the probability density for the... |

Ch20-EX1gXK | A function for computing the bias adjusted point estimate for... |

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