code: def basicdata():
      x = np.array(
          [
              [-1.998, -2.024],
              [-0.117, -1.010],
              [1.099, -0.057],
              [1.729, -0.252],
              [1.003, -0.021],
              [1.703, -0.739],
              [-0.557, 1.382],
              [-1.200, -0.446],
              [-0.331, -0.256],
              [-0.800, -1.584],
          ]
      )
      return x
  
file_path: nipy/nipy/algorithms/graph/tests/test_bipartite_graph.py
imports: import numpy
  import numpy.random
  from ..bipartite_graph import check_feature_matrices, cross_eps, cross_knn
label_desc: Use image node_id 1 for calling a global function with example usage: basicdata() and returns: x