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fix normalize #41

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fix normalize #41

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3adf692
fix normalize
earthgecko Jan 8, 2018
24f3905
handle no minimal
earthgecko Jan 8, 2018
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6 changes: 4 additions & 2 deletions src/luminol/modules/time_series.py
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Original file line number Diff line number Diff line change
Expand Up @@ -282,13 +282,15 @@ def add_offset(self, offset):

def normalize(self):
"""
Return a new time series with all values normalized to 0 to 1.
Return a new time series with all values normalized between 0 and 1.

:return: `None`
"""
maximum = self.max()
if maximum:
self.values = [value / maximum for value in self.values]
minimum = self.min()
if minimum:
self.values = [((value - minimum) / (maximum - minimum)) for value in self.values]

def crop(self, start_timestamp, end_timestamp):
"""
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