Meridian supports a variety of data types and formats.

The supported data types are:

- [Geo-level data without reach and frequency](https://developers.google.com/meridian/docs/user-guide/load-geo-data-without-rf)
- [Geo-level data with reach and frequency](https://developers.google.com/meridian/docs/user-guide/load-geo-data-with-rf)
- [Geo-level data with organic media and non-media treatments](https://developers.google.com/meridian/docs/user-guide/load-geo-data-with-organic-and-non-media)
- [National-level data](https://developers.google.com/meridian/docs/user-guide/load-national-data)

The supported data formats are:

- Comma-separated values (CSV)
- Xarray Dataset
- Numpy nd-arrays
- Pandas DataFrames
- Other formats transformable to Pandas DataFrame