Co-Authored-By: Przemysław Witek <przemyslaw.witek@elastic.co>
Co-Authored-By: David Roberts <dave.roberts@elastic.co>
Co-Authored-By: Ed Savage <32410745+edsavage@users.noreply.github.com>
This adds a new `randomize_seed` for regression and classification.
When not explicitly set, the seed is randomly generated. One can
reuse the seed in a similar job in order to ensure the same docs
are picked for training.