class="fu"><a href="../reference/pdf1_cross_tbl.html">pdf1_cross_tbl</a></span><span class="op">(</span><span class="va">education</span>, <span class="va">spontaneous</span>, marg <span class="op">=</span> <span class="cn">T</span><span class="op">)</span></span></code></pre></div>
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