n>
      </span>
      </h4>
      <p class="shortcomment cmt">Factory method for creating an enriched Series object containing statistical functions;
usually created implicitly.</p><div class="fullcomment"><div class="comment cmt"><p>Factory method for creating an enriched Series object containing statistical functions;
usually created implicitly.
</p></div><dl class="paramcmts block"><dt class="tparam">X</dt><dd class="cmt"><p>Type of index</p></dd><dt class="tparam">T</dt><dd class="cmt"><p>Type of eleme