iv class="fullcomment"><div class="comment cmt"><p>Conditional count of the elements of each column, ignoring NA values</p></div><dl class="paramcmts block"><dt class="param">test</dt><dd class="cmt"><p>Function predicate to utilize in count, T =&gt; Boolean
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    </li><li visbl="pub" name="org.saddle.stats.FrameStats#cumCount" data-isabs="false">
      <a id="cumCount((Vec[T]) ⇒ VecExpandingStats[T]):Frame[RX, CX, Int]"></a>
      <h4 class="signature">
      <span class="modifier_kind