Module: JLPT::Comparer

Defined in:
lib/jlpt/analyzers/comparer.rb

Overview

Text Similarity and Lesson Vocabulary Comparer.

Compares two Japanese texts for vocabulary overlap (Jaccard similarity), shared kanji characters, and relative JLPT difficulty differences.

Class Method Summary collapse

Class Method Details

.compare(text_a, text_b) ⇒ Hash

Compare two Japanese texts

Parameters:

  • text_a (String) —

    first text

  • text_b (String) —

    second text

Returns:

  • (Hash) —

    comparison metrics hash



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# File 'lib/jlpt/analyzers/comparer.rb', line 16

def compare(text_a, text_b)
  lem_a = Tokenizer.lemmata(text_a).to_set
  lem_b = Tokenizer.lemmata(text_b).to_set
  return empty_comparison if lem_a.empty? || lem_b.empty?

  compute_metrics(lem_a, lem_b, text_a, text_b)
end