
y1 &lt;- double()
y2 &lt;- double(0)
y3 &lt;- double(2)</code></pre>
</div>
<div id="array-variables" class="section level2" number="23.4">
<h2><span class="header-section-number">23.4</span> Array variables</h2>
<p>For more than one dimension, the dump format uses a dimensionality
specification. For example, the following
defines a <span class="math inline">\(2 \times 3\)</span> array:</p>
<pre><code>y &lt;- structure(c(1,2,3,4,5,6), .Dim = c(2,3))</code></pre>
<p>Data is stored column-major, thus the val