l     36  141   0.2033898 0.7966102</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 2      sex   cocaine     41  111   0.2697368 0.7302632</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> 3      sex    heroin     30   94   0.2419355 0.7580645</span>
</code></pre></div>
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