random_forest.py 文件源码

def get_packets_per_second(trace, features):
    """
    Gets the total number of packets per second along with mean, standard deviation, min, max and median

    @return a 1D list that contains the packets per second
    """
    packets_per_second = {}
    for val in trace:
        second = floor(val[0])

        if second not in packets_per_second:
            packets_per_second[second] = 0

        packets_per_second[second] += 1

    l = list(packets_per_second.values())

    features.append(sum(l) / len(l))
    features.append(np.std(l))
    features.append(np.percentile(l, 50))
    features.append(min(l))
    features.append(max(l))

    return l