code: def QA_indicator_BIAS(DataFrame, N1, N2, N3):
      '乖离率'
      CLOSE = DataFrame['close']
      BIAS1 = (CLOSE - MA(CLOSE, N1)) / MA(CLOSE, N1) * 100
      BIAS2 = (CLOSE - MA(CLOSE, N2)) / MA(CLOSE, N2) * 100
      BIAS3 = (CLOSE - MA(CLOSE, N3)) / MA(CLOSE, N3) * 100
      DICT = {'BIAS1': BIAS1, 'BIAS2': BIAS2, 'BIAS3': BIAS3}
  
      return pd.DataFrame(DICTf QA_indicator_BIAS(DataFrame, N1, N2, N3):
      '乖离率'
      CLOSE = DataFrame['close']
      BIAS1 = (CLOSE - MA(CLOSE, N1)) / MA(CLOSE, N1) * 100
      BIAS2 = (CLOSE - MA(CLOSE, N2)) / MA(CLOSE, N2) * 100
      BIAS3 = (CLOSE - MA(CLOSE, N3)) / MA(CLOSE, N3) * 100
      DICT = {'BIAS1': BIAS1, 'BIAS2': BIAS2, 'BIAS3': BIAS3}
  
      return pd.DataFrame(DICT)
docs: 乖离率