an class="op">]</span>, <span class="st">"colnames"</span><span class="op">)</span> <span class="op">&lt;-</span> <span class="fu"><a href="https://rdrr.io/r/base/colnames.html" class="external-link">colnames</a></span><span class="op">(</span><span class="va">weather_wind_speed</span><span class="op">)</span></span>
<span><span class="fu"><a href="../reference/h5attributes.html">h5attr</a></span><span class="op">(</span><span class="va">flights.grp</span><span class="op">[[</span><span class="st">"wind_spe