code: def setup_class(cls):
      rng = check_random_state(9865)
      cls.x = rng.uniform(size=100)
      cls.y = rng.uniform(size=100)
      cls.v = rng.uniform(size=100)
      cls.X = rng.uniform(size=(100, 3))
      cls.w = rng.uniform(size=100)
      cls.u = rng.uniform(size=100) + 1e6
  
imports: import numpy
  from numpy.testing import assert_allclose
  from pytest import raises
  from scipy.stats import binned_statistic, binned_statistic_2d, binned_statistic_dd
  from scipy._lib._util import check_random_state
  from .common_tests import check_named_results
label_desc: Use image node_id 1 for calling the TestBinnedStatistic obj's underlying member method code with example usage: obj.setup_class(cls) without return types