> ## Documentation Index
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# atoti.stats.f.ppf()

### atoti.stats.f.ppf(point, /, \*, numerator\_degrees\_of\_freedom, denominator\_degrees\_of\_freedom)

Percent point function for a F-distribution.

<Warning>
  This feature is [`experimental`](./atoti.experimental#atoti.experimental), its key is `"stats.f.ppf"`.
</Warning>

Also called inverse cumulative distribution function.

* **Parameters:**
  * **point** (*VariableMeasureConvertible*) – The point where the function is evaluated.
  * **numerator\_degrees\_of\_freedom** (*StrictlyPositiveNumber* *|* *VariableMeasureConvertible*) – Numerator degrees of freedom.
    Must be positive.
  * **denominator\_degrees\_of\_freedom** (*StrictlyPositiveNumber* *|* *VariableMeasureConvertible*) – Denominator degrees of freedom.
    Must be positive.
* **Return type:**
  MeasureDefinition

<Callout icon="link">
  **See also**:
  [The F-distribution Wikipedia page](https://en.wikipedia.org/wiki/F-distribution).
</Callout>