what is root mse
Not to be confused with Root-mean-square deviation of atomic positions. The root-mean-square deviation (RMSD) or root-mean-square error (RMSE) is a frequently used measure of the differences between values (sample and population values) predicted by a model or an estimator and the values actually observed.he RMSD of an estimator with respect to an estimated parameter is defined as the square root of the mean square error :