random_forest.py 文件源码

def get_transmission_time_stats(trace, in_trace, out_trace, features):
    """
    For the complete trace and the traces only containing incoming and outcoming packets, we extract the following:
    - First, second and third quartile
    - Total transmission time
    """
    in_times    = [x[0] for x in in_trace]
    out_times   = [x[0] for x in out_trace]
    total_times = [x[0] for x in trace]

    times = [total_times, in_times, out_times]

    for time in times:
        if len(time) == 0:
            features.extend([0, 0, 0, 0])

        else:
            features.append(np.percentile(time, 25))
            features.append(np.percentile(time, 50))
            features.append(np.percentile(time, 75))
            features.append(np.percentile(time, 100))