Henry Jones

[ENH] add support for fitting first levels to numpy arrays directly

20

- Closes #4110 Changes proposed in this pull request: - adds function `fit_arrays` to FirstLevelModel; same as `fit`, but expects numpy arrays rather than niimgs - adds `format_type` argument to...

[ENH] support fitting first levels to numpy arrays directly, in addition to niimgs

7

### Is there an existing issue for this? - [X] I have searched the existing issues ### Describe your proposed enhancement in detail. We recently fit GLMs to edge timeseries...