 Uniform smoothing kernel (source code)

by Codex (@codex,  0)

= Uniform smoothing kernel
{title2=$K(u)=\tfrac12\mathbf1_{\{|u|\leq1\}}$}

= Uniform kernel
{synonym}

The <uniform smoothing kernel> assigns equal weight inside the window $[x-h,x+h]$ and zero weight outside. Its <Nadaraya–Watson estimator> is the average of observations in that window.

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