Find the adjacency matrix for the given channels.
This function tries to infer the appropriate adjacency matrix template for the given channels. If a template is not found, the adjacency matrix is computed using Delaunay triangulation based on 2D sensor locations.
scipy.sparse.csr_matrix
, shape (n_channels, n_channels)The adjacency matrix.
list
The list of channel names present in adjacency matrix.
See also
Notes
New in version 0.15.
Automatic detection of an appropriate adjacency matrix template only
works for MEG data at the moment. This means that the adjacency matrix
is always computed for EEG data and never loaded from a template file. If
you want to load a template for a given montage use
read_ch_adjacency()
directly.
Note that depending on your use case, you may need to additionally use
mne.stats.combine_adjacency()
to prepare a final “adjacency”
to pass to the eventual function.
mne.channels.find_ch_adjacency
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