code: public JaccardIndex<K, VV, EV> setMinimumScore(int numerator, int denominator) {
  		Preconditions.checkArgument(numerator >= 0, "Minimum score numerator must be non-negative");
  		Preconditions.checkArgument(denominator > 0, "Minimum score denominator must be greater than zero");
  		Preconditions.checkArgument(numerator <= denominator, "Minimum score fraction must be less than or equal to one");
  
  		this.unboundedScores = false;
  		this.minimumScoreNumerator = numerator;
  		this.minimumScoreDenominator = denominator;
  
  		return this;
  	}
docs: Filter out Jaccard Index scores less than the given minimum fraction.
  
  @param numerator numerator of the minimum score
  @param denominator denominator of the minimum score
  @return this
  @see #setMaximumScore(int, int)