Squared-error loss
= Squared-error loss
Quadratic loss penalizes an estimate $a$ of a vector parameter $\theta$ by $\lVert a-\theta\rVert^2$. Its posterior expected value is minimized by the posterior mean.
= Quadratic loss
{synonym}
= Squared-error loss
Quadratic loss penalizes an estimate $a$ of a vector parameter $\theta$ by $\lVert a-\theta\rVert^2$. Its posterior expected value is minimized by the posterior mean.
= Quadratic loss
{synonym}