Differencing order. 0 is the identity, 1 the first difference, 2 the second.
Maximum number of taps, which bounds memory and per-step cost.
Truncate the weight series at the first weight smaller than this in absolute value.
Warmup behaviour.
https://screamer.readthedocs.io/en/latest/ for the Python reference and full details.
Fractional differencing filter. Removes the trend while keeping more of the series' memory than an integer difference.