s="sourceLine" id="cb6-10" data-line-number="10"></a>
<a class="sourceLine" id="cb6-11" data-line-number="11"><span class="co"># The formal context is just a simple matrix</span></a>
<a class="sourceLine" id="cb6-12" data-line-number="12">I &lt;-<span class="st"> </span><span class="kw"><a href="https://rdrr.io/r/base/matrix.html">matrix</a></span>(<span class="dt">data =</span> <span class="kw"><a href="https://rdrr.io/r/base/c.html">c</a></span>(<span class="dv">1</span>, <span class="dv">1</span>, <span 