>(</span><span class='fu'><a href='https://rdrr.io/r/base/list.html'>list</a></span><span class='op'>(</span><span class='va'>fit.fun</span>, <span class='va'>complexity</span>, <span class='va'>aggregation.fun</span><span class='op'>)</span><span class='op'>)</span>,
  load.vars <span class='op'>=</span> <span class='cn'>NULL</span>, load.all <span class='op'>=</span> <span class='cn'>FALSE</span>, 
  trace <span class='op'>=</span> <span class='cn'>FALSE</span>, debug <span class='op'>=</span> <span class