80       50</span>
<span class='r-out co'><span class='r-pr'>#&gt;</span> </span>
<span class='r-out co'><span class='r-pr'>#&gt;</span> $function.args$model_type</span>
<span class='r-out co'><span class='r-pr'>#&gt;</span> [1] "fixed"</span>
<span class='r-out co'><span class='r-pr'>#&gt;</span> </span>
<span class='r-out co'><span class='r-pr'>#&gt;</span> </span>
<span class='r-in'></span>
<span class='r-in'><span class='co'># direct input</span></span>
<span class='r-in'><span class='fu'>betta</span><s