code: def test_statistics_for_2d_input(self):
      stats = ddm.distance_statistics(
          np.asarray(self.x, dtype=float),
          np.asarray(self.y, dtype=float),
      )
  
      assert_almost_equal(
          stats.test_statistic, self.test_stat_emp_exp, 0
      )
      assert_almost_equal(stats.distance_correlation, self.dcor_exp, 4)
      assert_almost_equal(stats.distance_covariance, self.dcov_exp, 4)
      assert_almost_equal(stats.dvar_x, self.dvar_x_exp, 4)
      assert_almost_equal(stats.dvar_y, self.dvar_y_exp, 4)
      assert_almost_equal(stats.S, self.S_exp, 4)
  
imports: import numpy
  from numpy.testing import assert_almost_equal
  import pytest
  from statsmodels.datasets import get_rdataset
  from statsmodels.datasets.tests.test_utils import IGNORED_EXCEPTIONS
  import statsmodels.stats.dist_dependence_measures
  from statsmodels.tools.sm_exceptions import HypothesisTestWarning
label_desc: Use image node_id 7 for calling the TestDistDependenceMeasures obj's underlying member method code with example usage: obj.test_statistics_for_2d_input() without return types