cf provides a change point detection algorithm called changefinder[1] in golang. The code in this project is a rewrite version of changefinder package published at changefinder - PiPY.
If you want to know the usage of this package, see the cf_test.go. You can also see the graphs which show calculated scores with the changefinder package in python and this package at testdata/plot_graphs.ipynb.
[1] Kenji Yamanishi and Jun-ichi Takeuchi. 2002. A unifying framework for detecting outliers and change points from non-stationary time series data. In Proceedings of the eighth ACM SIGKDD international conference on Knowledge discovery and data mining (KDD '02). ACM, New York, NY, USA, 676-681. DOI=http://dx.doi.org/10.1145/775047.775148
- implements ChangeFinderARIMA
This software is provided under the MIT License, see LICENSE.