code: def add_intercept(X):
      return _add_intercept(X)
  
file_path: dask-ml/dask_ml/linear_model/utils.py
imports: import dask.array
  import dask.dataframe
  import numpy
  from multipledispatch import dispatch
label_desc: Use image node_id 5 for calling a global function with example usage: add_intercept(X) and returns: _add_intercept