code: def _ppf(self, q):
      return np.log(-np.log(1 - q))
  
file_path: statsmodels/examples/python/ordinal_regression.py
imports: import numpy
  import pandas
  import scipy.stats
  from statsmodels.miscmodels.ordinal_model import OrderedModel
  from statsmodels.discrete.discrete_model import Logit
  from statsmodels.tools.tools import add_constant
label_desc: Use image node_id 1 for calling the CLogLog obj's underlying member method code with example usage: obj._ppf(q) and returns: np