>#&gt;</span> $r_squared_wls</span>
<span class='r-out co'><span class='r-pr'>#&gt;</span> [1] -4.376681e-05</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</span>
<span class='r-out co'><span class='r-pr'>#&gt;</span> $function.args$chats</span>
<span class='r-out co'><span class='r-pr'>#&gt;</span> [1] 2000 3000 4000 3000</span>
<span class='r-out co'><span class='r-pr'>#&gt;</span> </span>
<span class='r-out co'><