import numpy as np
from scipy.stats import norm
from sklearn import preprocessing
import json

#计算波动率因子值
def GetAtrFactorService(records):
    atrlength = 14
    atrs = TA.ATR(records, atrlength)
    acs = sorted(range(len(atrs)), key=lambda k: atrs[k])
    ac = acs[-1]
    arr_mean = np.mean(acs)