ssion rate <code><a href="FOR.html">FOR</a></code> as a probability.
A warning is provided for NaN values.</p>
    </div>
    <div id="details">
    <h2>Details</h2>
    <p><code>comp_FOR</code> uses probabilities (not frequencies)
and does not round results.</p>
    </div>
    <div id="see-also">
    <h2>See also</h2>
    <div class="dont-index"><p><code><a href="comp_spec.html">comp_spec</a></code> and <code><a href="comp_NPV.html">comp_NPV</a></code> compute related probabilities;
<code><a href="is_extre