def analysis
      @analysis ||= Hash.new do |h, time|
        time = time.to_sym
        times = @times[time]
        h[time] = MoreMath::Sequence.new(times)
      end
    end
def analysis
      @analysis ||= Hash.new do |h, time|
        time = time.to_sym
        times = @times[time]
        h[time] = MoreMath::Sequence.new(times)
      end
    end
Returns a Hash of Sequence object for all of TIMES's time keys.