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changefinder

Online Change-Point Detection Library based on ChangeFinder Algorithm.

Requirements

  • Python 3.8 or later

  • numpy >= 1.20

  • scipy >= 1.7

  • statsmodels >= 0.13

Install

pip install .

Usage

import changefinder

cf = changefinder.ChangeFinder(r=0.1, order=1, smooth=7)
for x in data:
    score, predict = cf.update(x)

ChangeFinderARIMA offers the same update interface using an ARIMA model instead of SDAR for the first and second stage.

Test

pip install .[test]
pytest

Authors & Contributors

License

This code is licensed under MIT License.

Metadata

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