Event detection and transformation for time-series data
Project description
A package to search for events in time-series data that match a boolean condition. Various transformation functions are built in to filter and alter events.
See Trouve’s documentation at https://trouve.readthedocs.io
Install
trouve is on the Python Package Index (PyPI):
pip install trouve
Dependencies
numpy
pandas
toolz
Example
This finds events in a short sample of 1Hz, time-series data and filters out events based on their duration
>>> import numpy as np
>>> from trouve import find_events
>>> import trouve.transformations as tt
>>> x = np.array([1, 2, 2, 2, 0, 1, 2, 0, 2, 2])
>>> period = 1 # period = 1 / sample_rate
>>> duration_filter = tt.filter_durations(2, 3)
>>> events = find_events(x == 2, period, duration_filter)
>>> len(events)
2
>>> events.as_array()
array([ 0., 1., 1., 1., 0., 0., 0., 0., 1., 1.])Release history Release notifications | RSS feed
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trouve-0.4.2.tar.gz
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