ls <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/c.html" class="external-link">c</a></span><span class="op">(</span><span class="fl">1</span>,<span class="fl">1</span>,<span class="fl">1</span>,<span class="fl">1</span><span class="op">)</span><span class="op">)</span>
<span class="co">#&gt; All blocks are labeled 1, i.e., no independent sets of features detected, so samples are assumed exchangeable.</span>
<span class="co">#&gt; [1] 1</span></code></pre></div>
<p>Now we see tha