BYTES,
        buffer.remaining());
    return new Stats(
        buffer.getLong(),
        buffer.getDouble(),
        buffer.getDouble(),
        buffer.getDouble(),
        buffer.getDouble());
  }

  private static final long serialVersionUID = 0;

    ByteBuffer buffer = ByteBuffer.wrap(byteArray).order(ByteOrder.LITTLE_ENDIAN);
    Stats xStats = Stats.readFrom(buffer);
    Stats yStats = Stats.readFrom(buffer);
    double sumOfProductsOfDeltas = buffer.getDouble();
    return new PairedStats(xStats, yStats, sumOfProductsOfDeltas);
  }

  private static final long serialVersionUID = 0;