ss-kelsmj

      def sum_data(index, page, data)
        t = []
        page.each do |p|
          if t.length == 0
            t = get_data_array(p, index, data)
          else
            temp = get_data_array(p, index, data)
            t.each_index do | i |
              t[i] += temp[i]
            end