iv>

    <div class="ref-description">
    
    <p>Needs an 'interleaved' dataframe (see interleave function). Pre-test item should be followed by corresponding post-item item etc. 
Don't knows must be coded as NA. Function handles items without don't know responses.
The function is used internally. It calls transmat.</p>
    
    </div>

    <pre class="usage"><span class='fu'>multi_transmat</span>(<span class='kw'>pre_test</span> <span class='kw'>=</span> <span class='kw'>NULL</span>, <span class='kw'>pst