dowsizes <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">60</span>, <span class="fl">900</span>, <span class="fl">3600</span><span class="op">)</span>,</span>
<span>    acc.metric <span class="op">=</span> <span class="st">"ExtAct"</span><span class="op">)</span></span></code></pre>
<p>When <code>HASIB.algo = "data"</code> GGIR attempts to extract and
uses the sleep classification that is stored in