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Contributing Time-Series Features

We gratefully accept contributions of new time-series features, be they domain-specific or general.

To add your features to the project, please follow the guidelines below:

  1. Add your code to a new or existing file in cesium/features/.
  2. In cesium/features/, add your features to the dask_feature_graph.
  3. Add your features to the feature_categories & (optionally) feature_tags dictionaries in cesium/features/


  • The keys 't', 'm', and 'e' refer to the time series times, measurements, and errors respectively.
  • More complicated operations which re-use intermediate values can be constructed via standard dask graph syntax: see the dask documentation for details, or the feature freq1_freq in as an example.