l" class="external-link">library</a></span><span class="op">(</span><span class="va"><a href="https://apariciojohan.github.io/flexFitR/">flexFitR</a></span><span class="op">)</span></span></span>
<span class="r-in"><span><span class="fu"><a href="plot_fn.html">plot_fn</a></span><span class="op">(</span></span></span>
<span class="r-in"><span>  fn <span class="op">=</span> <span class="st">"fn_lin"</span>,</span></span>
<span class="r-in"><span>  params <span class="op">=</span> <span class="fu"><a href="htt