Scum
polars_ts.models.scum
SCUM
Bases: _TS
fit(y)
StatsForecast will pass y as a 1D array or Series.
If you want each sub-model to see a Polars DataFrame, you'll need to re-create it here or adapt your sub-model usage.
predict(h, level=None)
StatsForecast calls this to produce out-of-sample forecasts.
Return a dictionary that at least has a key 'mean' or