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from nitime import descriptors as desc
from nitime import utils as tsu
from nitime import timeseries as ts
from .base import BaseAnalyzer
class NormalizationAnalyzer(BaseAnalyzer):
""" A class for performing normalization operations on time-series and
producing the renormalized versions of the time-series"""
def __init__(self, input=None):
"""Constructor function for the Normalization analyzer class.
Parameters
----------
input: TimeSeries object
"""
BaseAnalyzer.__init__(self, input)
@desc.setattr_on_read
def percent_change(self):
return ts.TimeSeries(tsu.percent_change(self.input.data),
sampling_rate=self.input.sampling_rate,
time_unit=self.input.time_unit)
@desc.setattr_on_read
def z_score(self):
return ts.TimeSeries(tsu.zscore(self.input.data),
sampling_rate=self.input.sampling_rate,
time_unit=self.input.time_unit)
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