Note

This page is a reference documentation. It only explains the function signature, and not how to use it. Please refer to the user guide for the big picture.

nilearn.glm.first_level.check_design_matrix

nilearn.glm.first_level.check_design_matrix(design_matrix)

Check that the provided DataFrame is indeed a valid design matrix descriptor, and returns a triplet of fields.

Parameters:

design matrixpandas DataFrame,

Describes a design matrix.

Returns:

frame_timesarray of shape (n_frames,),

Sampling times of the design matrix in seconds.

matrixarray of shape (n_frames, n_regressors), dtype=’f’

Numerical values for the design matrix.

namesarray of shape (n_events,), dtype=’f’

Per-event onset time (in seconds)