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      <p class="shortcomment cmt">Cumulative min; each successive element of the output is the cumulative
min from the initial element, ignoring NAs.</p><div class="fullcomment"><div class="comment cmt"><p>Cumulative min; each successive element of the output is the cumulative
min from the initial element, ignoring NAs.
</p></div><dl class="attributes block"> <dt>Definition Classes</dt><dd><a 