bicoherence             Estimate bicoherence from given time series
                        data.
biperiodogram           Calculate biperiodogram
bispectrum              Estimate bispectrum from time series data.
cross_bicoherence       Estimate cross-bicoherence from time series
                        data.
cross_bispectrum        Estimate cross-bispectrum from time series
                        data.
kim_and_powers_model    A test signal of the phase coherence between
                        three oscillators
mode_matching           Estimate cross-bicoherence's empirical null
                        distribution by a mode matching method
three_channel_model     A three-channel model of quadratic phase
                        coupling
