 link function</span></span></span>
<span class="r-in"><span><span class="va">ginv</span> <span class="op">&lt;-</span> <span class="fu">log_link</span><span class="op">(</span><span class="op">)</span><span class="op">$</span><span class="va">g_inv</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">ginv</span><span class="op">(</span><span class="va">x</span><span clas