MeanAndRMS Node1 MeanAndRMS # m_w # m_wx # m_wx2 + MeanAndRMS() + MeanAndRMS() + MeanAndRMS() + add() + operator+=() + operator-=() + operator=() + sum_weight() + mean() + mean2() + rms2() + rms() + mean_error() + rms_error() + operator double()