Fraction of variance unexplained: Difference between revisions

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In [[statistics]], the '''fraction of variance unexplained (FVU)''' in the context of a [[Regression analysis|regression task]] is the fraction of variance of the [[regressand]] (dependent variable) ''Y'' which cannot be explained, i.e., which is not correctly predicted, by the [[explanatory variable]]s ''X''.
 
For a more general concept, see [[explained variation]].