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

# Grouped Array

> Group arrays by a categorical variable



## Related topics

- [Grouped Array](/mlforecast/grouped_array.md)
- [Target transforms](/mlforecast/target_transforms.html.md)
- [Scalers](/coreforecast/scalers.md)
- [Lag transformations | CoreForecast](/coreforecast/lag_transforms.md)
- [coreforecast](/coreforecast/index.md)