code: def maxabsrel(arr1, arr2):
      return np.max(np.abs(arr2 / arr1 - 1))
  
file_path: statsmodels/statsmodels/examples/ex_generic_mle_tdist.py
imports: import numpy
  from scipy import stats, special, optimize
  import statsmodels.api
  from statsmodels.base.model import GenericLikelihoodModel
  from statsmodels.tools.numdiff import approx_hess
  import statsmodels.sandbox.distributions.sppatch
label_desc: Use image node_id 2 for calling a global function with example usage: maxabsrel(arr1, arr2) and returns: np