t as well as the space and the chunk-size
ourselves. As a first step, lets create the custom datatype</p>
<div class="sourceCode" id="cb41"><pre class="downlit sourceCode r">
<code class="sourceCode R"><span><span class="va">uint2_dt</span> <span class="op">&lt;-</span> <span class="va">h5types</span><span class="op">$</span><span class="va">H5T_NATIVE_UINT32</span><span class="op">$</span><span class="fu">set_size</span><span class="op">(</span><span class="fl">1</span><span class="op">)</span><span class=