def baselineable
      key :type, Integer
      key :ts, Time
      key :uid, String

      key :val, Float

      # Generate the aggregator methods
      generate_aggregators { |ts, method|
        type = method_names_type_counter(method)
        aggregate type, ts
      }
    end
def baselineable
      key :type, Integer
      key :ts, Time
      key :uid, String

      key :val, Float

      # Generate the aggregator methods
      generate_aggregators { |ts, method|
        type = method_names_type_counter(method)
        aggregate type, ts
      }
    end
Defines the column needed for a baseline