class_docstr: Apple Stock
  
  This dataset concerns the daily close price and volume of Apple stock around the year 2000. The dataset is sampled every 3 observations to reduce the length of the time series.
  This dataset is retrieved from Yahoo Finance.
  
  References
  ----------
  [^1]: https://finance.yahoo.com/quote/AAPL/history?period1=850348800&period2=1084579200&interval=1d&filter=history&frequency=1d
code: def __init__(self):
      super().__init__(
          annotations={
              "6": [319],
              "7": [319],
              "8": [319],
              "9": [53, 90, 197, 276, 319, 403, 463, 535],
              "10": [319],
          },
          filename="apple.csv",
          task=datasets.base.REG,
          n_samples=1867,
          n_features=6,
      )
  
imports: from __future__ import annotations
  from river import datasets, stream
  from .base import ChangePointFileDataset
label_desc: Use image node_id 1 to create a new Apple object from inherited base classes: ChangePointFileDataset with example: obj = Apple()