span class="r-msg co"><span class="r-pr">#&gt;</span> </span>
<span class="r-msg co"><span class="r-pr">#&gt;</span>     mean</span>
<span class="r-msg co"><span class="r-pr">#&gt;</span> The following object is masked from ‘package:scales’:</span>
<span class="r-msg co"><span class="r-pr">#&gt;</span> </span>
<span class="r-msg co"><span class="r-pr">#&gt;</span>     rescale</span>
<span class="r-msg co"><span class="r-pr">#&gt;</span> The following object is masked from ‘package:ggplot2’:</span>
<