Linear smoother
= Linear smoother
{title2=$\widehat Y=HY$}
A linear smoother has fitted-value vector $\widehat Y=HY$, where the smoother matrix $H$ depends on the covariates and tuning parameters but not on the response vector.
= Linear smoother
{title2=$\widehat Y=HY$}
A linear smoother has fitted-value vector $\widehat Y=HY$, where the smoother matrix $H$ depends on the covariates and tuning parameters but not on the response vector.