rnal-link">c</a></span><span class="op">(</span><span class="fl">1</span>,<span class="va">b</span><span class="op">)</span></span>
<span>    <span class="va">P</span> <span class="op">&lt;-</span> <span class="fu">P_2PL</span><span class="op">(</span> par<span class="op">=</span><span class="va">par0</span>, Theta<span class="op">=</span><span class="va">Theta</span>, ncat<span class="op">=</span><span class="va">ncat</span><span class="op">)</span></span>
<span>    <span class="kw"><a href="https://rdrr.i