Module: Synt::Similar

Extended by:
Similar
Included in:
Similar
Defined in:
lib/synt/similar.rb

Defined Under Namespace

Modules: Jaccard, Tanimoto

Instance Method Summary collapse

Instance Method Details

#compare(opts) ⇒ Object 



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# File 'lib/synt/similar.rb', line 11

def compare opts
  error 'no compare propery provided' unless opts[:compare]
  error 'no to propery provided' unless opts[:to]

  src = opts[:compare] || ''
  cmp = opts[:to] || ''
  algorithm = algorithms[(opts[:algorithm] || 'jaccard').to_sym]
  n_start, n_end = ngram_range opts[:ngram]
  src_t = normalize_ripper_tokens Synt::Parser.parse(src)
  cmp_t = normalize_ripper_tokens Synt::Parser.parse(cmp)

  a = generate_ngrams src_t, n_start, n_end
  b = generate_ngrams cmp_t, n_start, n_end

  sim = algorithm.compare a, b

  sim.to_f.round 2
end