la</span>, upperA<span class='op'>=</span><span class='va'>ua</span>,type <span class='op'>=</span> <span class='st'>"mle"</span>,
                     model2est<span class='op'>=</span><span class='va'>model2est</span><span class='op'>)</span>
</div><div class='output co'>#&gt; Estimating: mixed  4PL, GPCM ... 
#&gt; type = mle 
#&gt; Estimation finished!</div><div class='input'><span class='co'># WLE</span>
<span class='va'>respmixed_wle</span> <span class='op'>&lt;-</span> <span class='fu'>PPall</span><s