ab<span class="op">=</span><span class="st">"F(x)"</span><span class="op">)</span></span></span>
<span class="r-in"><span><span class="fu"><a href="https://rdrr.io/r/graphics/curve.html" class="external-link">curve</a></span><span class="op">(</span><span class="fu">pGIW</span><span class="op">(</span><span class="va">x</span>, mu<span class="op">=</span><span class="fl">3</span>, sigma<span class="op">=</span><span class="fl">5</span>, nu<span class="op">=</span><span class="fl">0.5</span>, lower.tail<span