 <span class='co'># fitted.values</span>
</div><div class='output co'>#&gt; [1] 34.53936 30.07730 27.73939 26.19167 24.15579 22.80803 21.03516</div><div class='input'><span class='fu'><a href='https://rdrr.io/r/graphics/plot.default.html'>plot</a></span><span class='op'>(</span><span class='va'>cv</span> <span class='op'>~</span> <span class='va'>ps</span><span class='op'>)</span>
</div><div class='input'><span class='fu'><a href='https://rdrr.io/r/graphics/curve.html'>curve</a></span><span class='op'>(</