">
      <a id="variance:Double"></a>
      <a id="variance:Double"></a>
      <h4 class="signature">
      <span class="modifier_kind">
        <span class="modifier"></span>
        <span class="kind">def</span>
      </span>
      <span class="symbol">
        <span class="name">variance</span><span class="result">: <span class="extype" name="scala.Double">Double</span></span>
      </span>
      </h4>
      <p class="shortcomment cmt">Return the sample variance of the values in the Vec, ignoring NA
</p>