will be itemtype = 0 and the rest will be itemtype = 1</span>
<span class='co'># Items with itemtype = 1 will be 0.3 logit more difficult.</span>
<span class='va'>data.lltm</span> <span class='op'>&lt;-</span> <span class='fu'>simEIRM</span><span class='op'>(</span>nitem <span class='op'>=</span> <span class='fl'>10</span>, nperson <span class='op'>=</span> <span class='fl'>1000</span>, itemtype.size <span class='op'>=</span> <span class='fu'><a href='https://rdrr.io/r/base/c.html'>c</a></span><span class='