ng_files/figure-html/plot-cvk-3-1.svg" style="display: block; margin: auto;" /&gt;

For `\(k=5\)`, fold number `\(3\)` as the .hi-slate[validation set] produces MSE.sub[k=3].
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&lt;img src="13-Learning_files/figure-html/plot-cvk-4-1.svg" style="display: block; margin: auto;" /&gt;

For `\(k=5\)`, fold number `\(4\)` as the .hi-slate[validation set] produces MSE.sub[k=4].
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&lt;img src="13-Learning_files/figure-html/plot-cvk-5-1.svg" style="display: block; margin: auto;" /&gt;

For `\(k=5\)`, fold numb