TimeSeriesDataset.
split_at
Split a TimeSeriesDataset at a defined point and include the splitting point in both as in [start,…,at] and [at,…,end].
timestamp – str or Timestamp where to the TimeSeriesDataset will be split (e.g. “2019-12-31 00:00:00”)
a Tuple of TimeSeriesDataset ([start,…,at] and [at,…,end])