class_docstr: Base class for the sRP ensemble family
class_docstr_tok: ["Base","class","for","the","sRP","ensemble","family"]
code: def _min_number_of_models(self):
      return 0
  
imports: from __future__ import annotations
  import collections
  import itertools
  import math
  import random
  import numpy
  from river import base
  from river.drift import ADWIN
  from river.metrics import MAE, Accuracy
  from river.metrics.base import ClassificationMetric, Metric, RegressionMetric
  from river.tree import HoeffdingTreeClassifier, HoeffdingTreeRegressor
  from river.utils.random import poisson
label_desc: Use image node_id 2 for calling the BaseSRPEnsemble obj's underlying member method code with example usage: obj._min_number_of_models() and returns: int