an class="fu"><a href="https://rdrr.io/r/graphics/legend.html" class="external-link">legend</a></span><span class="op">(</span><span class="st">'topleft'</span>, <span class="st">'True Value'</span>, col <span class="op">=</span> <span class="fl">2</span>, lty <span class="op">=</span> <span class="fl">2</span>, bty <span class="op">=</span> <span class="st">'n'</span><span class="op">)</span></span></span>
<span class="r-plt img"><img src="convert_cov-1.png" alt="" width="700" height="433"></span>
<span cl