Sktime Dl Save

sktime-dl is currently being ported to mini-packages within sktime, and no longer maintained as a separate package.

Most estimators formerly in sktime-dl are now available in the sktime.classification.deep_learning and sktime.regression.deep_learning modules, and maintained there.

Contributions are appreciated to port the rest!

To contribute, follow instructions in the umbrella planning issue https://github.com/sktime/sktime/issues/3351 on the sktime repo.