Where I can find description for the features?

[michael135]

Where I can find description (hopefully, including some relevant equations) for the features?

For example time_var_shift.

I found some descriptions in tsfeatures package, but it doesn't cover all features, as well as the original paper.

[Neverstop7]

This paper might be useful (I haven't read it yet): https://arxiv.org/ftp/arxiv/papers/1903/1903.02787.pdf