def METHOD_NAME():
    plt.close('all')
    #for c in CHANNELS:
    #    drawChannelGraphs(c)
    #for cp in PAIRS:
    #    drawPairwiseGraphs(*cp)
    plt.figure(8)
    N = [getChannel(c)['meanPhotons'] for c in CHANNELS]
    plt.hist(N, np.linspace(0, 6e3, 30), normed=1)
    plt.xlabel('Mean Photon #')
    plt.ylabel('Frequency')
    #legend()