class_docstr: The log transform as a link function:
  
  g(x) = log(x)
code: def clean(self, x):
      return np.clip(x, Logit.tol, np.inf)
  
imports: import numpy
  import scipy.stats
label_desc: Use image node_id 1 for calling the Log obj's underlying member method code with example usage: obj.clean(x) and returns: np