> ## Documentation Index
> Fetch the complete documentation index at: https://docs.activeviam.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Chi-square distribution

Chi-square distribution.

For more information read:

* [scipy.stats.chi2](https://docs.scipy.org/doc/scipy/reference/generated/scipy.stats.chi2.html)
* [The Chi-square Wikipedia page](https://en.wikipedia.org/wiki/Chi-square_distribution)

| [`cdf`](./atoti.stats.chi2.cdf#atoti.stats.chi2.cdf) | Cumulative distribution function for a chi-square distribution. |
| ---------------------------------------------------- | --------------------------------------------------------------- |
| [`pdf`](./atoti.stats.chi2.pdf#atoti.stats.chi2.pdf) | Probability density function for a chi-square distribution.     |
| [`ppf`](./atoti.stats.chi2.ppf#atoti.stats.chi2.ppf) | Percent point function for a chi-square distribution.           |