72;</span></span>
<span><span class="co">##       H5T_IEEE_F64LE "pressure" : 80;</span></span>
<span><span class="co">##       H5T_IEEE_F64LE "visib" : 88;</span></span>
<span><span class="co">##       H5T_IEEE_F64LE "time_hour" : 96;</span></span>
<span><span class="co">##    }</span></span></code></pre>
<p>telling us that our dataset consists of a <em>H5T_COMPOUND</em>
datatype and prints more detailed information on its content of every
column. Regarding the size of the dataset and the size of the chunk