n>
<span><span class="co">## The following objects are masked from 'package:stats':</span></span>
<span><span class="co">## </span></span>
<span><span class="co">##     decompose, spectrum</span></span>
<span><span class="co">## </span></span>
<span><span class="co">## The following object is masked from 'package:base':</span></span>
<span><span class="co">## </span></span>
<span><span class="co">##     union</span></span></code></pre>
<div class="sourceCode" id="cb63"><pre class="downlit sourceCode r">
<co