opchars.bin | R Documentation |

Internal workhorse function to calculate operating characteristics for a given stopping rule and toxicity probability

```
opchars.bin(rule, p, tau = NULL, A = NULL)
```

`rule` |
A |

`p` |
The toxicity probability |

`tau` |
Length of observation period |

`A` |
Length of the enrollment period. |

A list containing the toxicity probability `p`

, and the corresponding rejection probability and expected number of events. If `tau`

and `A`

are also specified, the expected number of enrolled patients and the expected calendar time at the point of stopping/study end are also included.

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