de" id="cb1"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb1-1" data-line-number="1"><span class="kw">library</span>(<span class="st">&quot;tibble&quot;</span>)</a>
<a class="sourceLine" id="cb1-2" data-line-number="2"><span class="kw">library</span>(<span class="st">&quot;dplyr&quot;</span>)</a></code></pre></div>
<pre><code>## 
## Attachement du package : 'dplyr'</code></pre>
<pre><code>## The following objects are masked from 'package:stats':
## 
##     filter, lag</cod