Trailing-window length. Must be >= 4 * min_scale.
Smallest R/S block size. Dyadic scales are min_scale, 2*min_scale, ... up to window_size/2.
Estimator family. Currently only Anis-Lloyd corrected R/S.
https://screamer.readthedocs.io/en/latest/ for the Python reference and full details.
Rolling-window Hurst exponent via Anis-Lloyd corrected rescaled-range analysis.