> <span class='fu'><a href='https://rdrr.io/r/base/list.html'>list</a></span>(<span class='fl'>1</span>:<span class='fl'>2</span>, <span class='fl'>2</span>:<span class='fl'>3</span>, <span class='fu'><a href='https://rdrr.io/r/base/c.html'>c</a></span>(<span class='fl'>3</span>,<span class='fl'>1</span>))
<span class='fu'>genmodel</span>(<span class='no'>varlvls</span>, <span class='no'>facets</span>)

<span class='co'># compare this to algstat's hmat function</span>

}</div><div class='output co'>#&gt; <s