Opened 5 months ago

Closed 5 months ago

## #971 closed request (wontfix)

# inverse of binomial cumulative distribution

Reported by: | Peter | Owned by: | Peter |
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Priority: | major | Milestone: | |

Component: | statistics | Version: | |

Keywords: | Cc: |

### Description

Since binomial is a discrete distribution, it's not obvious how to define the inverse, but MatLab? defines it as x = binoinv(y,n,p) returns the smallest integer x such that the binomial cdf evaluated at x is equal to or exceeds y.

### Change History (2)

### comment:1 Changed 5 months ago by

Status: | new → accepted |
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### comment:2 Changed 5 months ago by

Milestone: | yat 0.19 |
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Resolution: | → wontfix |

Status: | accepted → closed |

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This functionality is available in boost via the Binomial Distribution class and quantile function.

https://www.boost.org/doc/libs/1_75_0/libs/math/doc/html/math_toolkit/dist_ref/dists/binomial_dist.html