def __init__(self, time_series, baseline_time_series=None):
"""
Initializer
:param TimeSeries time_series: a TimeSeries object.
:param TimeSeries baseline_time_series: baseline TimeSeries.
"""
self.exp_avg_detector = ExpAvgDetector(time_series,
baseline_time_series)
self.derivative_detector = DerivativeDetector(time_series,
baseline_time_series)
