def get_tracklengths_stats():
    """Return statistics of the model track length distribution."""
    stDev = 0.0
    skewness = 0.0
    kurtosis = 0.0
    mean = 0.0
    stderror = 0.0
    return {'Mean Track Length': mean, 'Standard Deviation': stDev,
        'Standard Error': stderror, 'Skewness': skewness, 'Kurtosis': kurtosis}
