# FDist Script and chart function

`FDist()` returns the accumulated probability of the `F` distribution.

Syntax:

FDist(value, degrees\_freedom1, degrees\_freedom2)

Return data type: number

Arguments:

Arguments

| Argument | Description |
| --- | --- |
| value | The value at which<br>you want to evaluate the distribution. The value<br>must not be negative. |
| degrees\_freedom1 | A positive integer stating the number of numerator degrees of freedom. |
| degrees\_freedom2 | A positive<br>integer stating the number of denominator degrees of freedom. |

This function is related to the FInv function in the following way:   
`If prob = FDIST(value, df1, df2), 
 then FINV(prob, df1, df2) = value`

Limitations:

All arguments must be numeric, else NULL will be returned.

[](https://help.qlik.com/en-US/cloud-services/Subsystems/Hub/Content/Sense_Hub/Scripting/StatisticalDistributionFunctions/FDist.htm)

#### Examples and results:

| Example | Result |
| --- | --- |
| FDIST(15, 8, 6) | Returns 0.0019 |

## Learn more

* [FInv Script and chart function](https://help.qlik.com/en-US/cloud-services/Subsystems/Hub/Content/Sense_Hub/Scripting/StatisticalDistributionFunctions/FInv.htm)