=</span> <span class='st'>"x1"</span>, which <span class='op'>=</span> <span class='st'>"lvk"</span><span class='op'>)</span></span>
<span class='r-plt'><img src='vis-1.png' alt='' width='700' height='433' /></span>
<span class='r-in'><span class='fu'><a href='https://rdrr.io/r/graphics/plot.default.html'>plot</a></span><span class='op'>(</span><span class='va'>v1</span>, which <span class='op'>=</span> <span class='st'>"boot"</span><span class='op'>)</span></span>
<span class='r-plt'><img src='vis-2.png' a