="-1"></a><span class="co">#&gt; 3    NA y    </span></span>
<span id="cb7-17"><a href="#cb7-17" aria-hidden="true" tabindex="-1"></a><span class="co">#&gt; 4    NA y    </span></span>
<span id="cb7-18"><a href="#cb7-18" aria-hidden="true" tabindex="-1"></a><span class="co">#&gt; 5    NA y    </span></span>
<span id="cb7-19"><a href="#cb7-19" aria-hidden="true" tabindex="-1"></a><span class="co">#&gt; 6     2 y</span></span></code></pre></div></li>
<li><p>Read all columns as character, then use <code>type_c