w</a></span><span class="op">(</span><span class="va">gages</span><span class="op">)</span><span class="op">)</span><span class="op">)</span>, <span class="va">indexes</span>, by <span class="op">=</span> <span class="st">"id"</span><span class="op">)</span></span></code></pre></div>
<p>Now lets look at out comparison again.</p>
<div class="sourceCode" id="cb6"><pre class="downlit sourceCode r">
<code class="sourceCode R"><span><span class="va">p_match</span> <span class="op">&lt;-</span> <span class="fl">1