code: def test_StepFunctionValueSideRight(self):
      x = np.arange(20)
      y = np.arange(20)
      f = StepFunction(x, y, side="right")
      vals = f(np.array([[3.2, 4.5], [24, -3.1], [3.0, 4.0]]))
      npt.assert_almost_equal(vals, [[3, 4], [19, 0], [3, 4]])
  
file_path: statsmodels/statsmodels/distributions/tests/test_ecdf.py
imports: import numpy
  import numpy.testing
  from numpy.testing import assert_raises
  from statsmodels.distributions import StepFunction, monotone_fn_inverter
  from statsmodels.distributions import ECDFDiscrete
label_desc: Use image node_id 3 for calling the TestDistributions obj's underlying member method code with example usage: obj.test_StepFunctionValueSideRight() without return types