docstr: Returns category frequencies
  
  Returns
  -------
  np.array, scores
docstr_tok: ["Returns","category","frequencies","Returns","--","--","--","-","np.array",",","scores"]
code: def get_scores(self, *args):
      """
      Returns category frequencies
  
      Returns
      -------
      np.array, scores
      """
      if self.tdf_ is None:
          raise Exception(
              "Use set_categories('category name', ['not category name', ...]) "
              + "to set the category of interest"
          )
  
      y_i = self.tdf_["cat"]
      return y_i
  
imports: import numpy
  from scattertext.termscoring.CorpusBasedTermScorer import CorpusBasedTermScorer
label_desc: Use image node_id 2 for calling the FrequencyScorer obj's underlying member method code with example usage: obj.get_scores() and returns: y_i