sb</span> <span class="op">&lt;-</span> <span class="fu">ISLR</span><span class="fu">::</span><span class="va"><a href="https://rdrr.io/pkg/ISLR/man/Default.html" class="external-link">Default</a></span> <span class="op"><a href="https://magrittr.tidyverse.org/reference/pipe.html" class="external-link">%&gt;%</a></span></span></span>
<span class="r-in"><span>  <span class="fu"><a href="split_by.data.frame.html">split_by</a></span><span class="op">(</span><span class="va">default</span><span class="op">)</sp