r-pr'>#&gt;</span> $function.args$initial_est</span>
<span class='r-out co'><span class='r-pr'>#&gt;</span> [1] 6.666667e+05 3.000000e+03 7.105427e-15</span>
<span class='r-out co'><span class='r-pr'>#&gt;</span> </span>
<span class='r-out co'><span class='r-pr'>#&gt;</span> $function.args$formula</span>
<span class='r-out co'><span class='r-pr'>#&gt;</span> chats ~ Cont_var</span>
<span class='r-out co'><span class='r-pr'>#&gt;</span> &lt;environment: 0x7f87bd4ae270&gt;</span>
<span class='r-out co'><span 