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Synonym: Root Mean Square Deviation (RMSD) = Root Mean Square Error (RMSE)
A number characterising characterizing the model prediction quality ( goodness of fit ) between the datasets of a given variable 𝑥variable
and its estimator 𝑥̂ LaTeX Math Inline body x
:LaTeX Math Inline body \hat x
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RMSD(x, \hat x) = \sqrt{MSE(x, \hat x)} = \sqrt{ \frac{1}{n} \sum_{i=1}^n (x_i - \hat x_i)^2 } |
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