nse curves</span></span></span>
<span class="r-in"><span><span class="va">fits2</span> <span class="op">&lt;-</span> <span class="fu"><a href="fit_many.html">fit_many</a></span><span class="op">(</span></span></span>
<span class="r-in"><span>  data <span class="op">=</span> <span class="va">data</span>,</span></span>
<span class="r-in"><span>  group <span class="op">=</span> <span class="st">"ID2"</span>,</span></span>
<span class="r-in"><span>  varnames <span class="op">=</span> <span class="fu"><a href="h