code: def test_locally_linear_embedding(self):
      iris = datasets.load_iris()
      df = pdml.ModelFrame(iris)
  
      result = df.manifold.locally_linear_embedding(3, 3)
      expected = manifold.locally_linear_embedding(iris.data, 3, 3)
  
      self.assertEqual(len(result), 2)
      self.assertIsInstance(result[0], pdml.ModelFrame)
      tm.assert_index_equal(result[0].index, df.index)
      tm.assert_numpy_array_equal(result[0].values, expected[0])
  
      self.assertEqual(result[1], expected[1])
  
file_path: pandas-ml/pandas_ml/skaccessors/test/test_manifold.py
imports: import pytest
  import numpy
  import sklearn.datasets
  import sklearn.manifold
  import pandas_ml
  import pandas_ml.util.testing
label_desc: Use image node_id 2 for calling the TestManifold obj's underlying member method code with example usage: obj.test_locally_linear_embedding() without return types