code: def get_scores(self, cat_word_counts, not_cat_word_counts):
      scores = ScaledFScorePresets.get_scores(
          self, cat_word_counts, not_cat_word_counts
      )
      return scores * 2 - 1
  
imports: from abc import ABC, abstractmethod
  import numpy
  import pandas
  from scipy.stats import norm, rankdata
  from scattertext.Common import DEFAULT_SCALER_ALGO, DEFAULT_BETA
label_desc: Use image node_id 2 for calling the ScaledFScorePresetsNeg1To1 obj's underlying member method code with example usage: obj.get_scores(cat_word_counts, not_cat_word_counts) and returns: unknown