class_docstr: Simple Maths from Kilgariff (2009).
  
  
  Stephanie Evert. 2023. Measuring Keyness. https://osf.io/x8z9n.
  
  Adam Kilgariff. 2009. Simple Maths for Keywords. Proc. Corpus Linguistics.
  https://www.semanticscholar.org/paper/Simple-Maths-for-Keywords-Kilgarriff/69bd0a8a964e9b3b0b4394fe0d9d602d6a5a0453
code: def get_name(self):
      return "Simple Maths"
  
imports: import numpy
  import pandas
  from scattertext.termscoring.CorpusBasedTermScorer import CorpusBasedTermScorer
label_desc: Use image node_id 3 for calling the SimpleMaths obj's underlying member method code with example usage: obj.get_name() and returns: str