Module patterns 

Functions

cubic_higher_order

Third-order cumulant C3(tau1, tau2) (Nikias & Petropulu 1993). Returns max_lag × max_lag matrix (flat, row-major).

spike_directionality

spike_train_order

Spike train order matrix (Kreuz et al. 2017). Returns n×n matrix (flat, row-major) of pairwise directionality.