s="va">mtcars.grp</span> <span class="op">&lt;-</span> <span class="va">file.h5</span><span class="op">$</span><span class="fu">create_group</span><span class="op">(</span><span class="st">"mtcars"</span><span class="op">)</span></span>
<span><span class="va">flights.grp</span> <span class="op">&lt;-</span> <span class="va">file.h5</span><span class="op">$</span><span class="fu">create_group</span><span class="op">(</span><span class="st">"flights"</span><span class="op">)</span></span></code></pre></div>
<