 is <code>FALSE</code>. If <code>TRUE</code>, then the dictionary is reset. Note that the
default dictionary always relabels the variable "(Intercept)" in to "Constant". To overwrite it,
you need to add "(Intercept)" explicitly in your dictionary.</p></dd>

</dl></div>
    <div class="section level2">
    <h2 id="details">Details<a class="anchor" aria-label="anchor" href="#details"></a></h2>
    <p>By default the dictionary only grows. This means that successive calls with not erase the
previous definitions