Description Usage Arguments Value Author(s) References See Also

View source: R/refinedBoundaries.R

Primary boundaries calculation of standard (original) OBF and POC.

1 | ```
primaryBoundary(gammaVec, alpha, type = 1, initIntvl = c(1, 4))
``` |

`gammaVec` |
a vector of square root of information. |

`alpha` |
significance level |

`type` |
type of sequential procedure. OBF is 1, POC is 2. |

`initIntvl` |
paramter for function uniroot (two numbers) |

original OBF and POC boundaries (primary endpoints) (a number, c_(K)).

Jiangtao Gou

Tamhane, A. C., Gou, J., Jennison, C., Mehta, C. R., and Curto, T. (2017+). A gatekeeping procedure to test a primary and a secondary endpoint in a group sequential design with multiple interim looks. *Biometrics*, to appear.

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