be supplied to <code><a href="ctdDecimate.html">ctdDecimate()</a></code>,
e.g. <code>rule</code> controls extrapolation beyond the observed pressure range,
in the case where <code>method</code> equals <code>"approx"</code>.</p></dd>

</dl></div>
    <div class="section level2">
    <h2 id="value">Value<a class="anchor" aria-label="anchor" href="#value"></a></h2>
    <p>A <a href="section-class.html">section</a> object that contains stations in which
the pressure values match identically, and that has all
fl