>
      </h4>
      <p class="shortcomment cmt">Rolling sum; compute sum of elements in columns of Frame over a sliding window, ignoring any NA
values.</p><div class="fullcomment"><div class="comment cmt"><p>Rolling sum; compute sum of elements in columns of Frame over a sliding window, ignoring any NA
values.</p></div><dl class="paramcmts block"><dt class="param">winSz</dt><dd class="cmt"><p>Size of the sliding window
</p></dd></dl></div>
    </li><li visbl="pub" name="org.saddle.stats.FrameStats#skew" dat