coffeine.covariance_transformers.Diag

class coffeine.covariance_transformers.Diag(return_data_frame=True)

Vectorize SPD matrix by extracting diagonal.

This is equivalent of the M/EEG power spectrum in a given frequency bin.

Parameters:

metricstr, default=’riemann’

The Riemannian metric to use. See PyRiemann documentation for details and valid choices.

return_data_framebool, default=True

Returning the result in a pandas data frame or not.