features.py 文件源码

def statistical_metrics(x):
    """
    Calculates statistical metrics on input array (mean, std, skew, kurtosis).
    """

    metrics = {
        'mean': np.mean,
        'stdev': np.std,
        'skew': stats.skew,
        'kurtosis': stats.kurtosis
    }
    return {k: fn(x.flatten()) for k, fn in metrics.items()}