ample</dt>
<dd><p>Boolean value that determines whether frequency values
are sampled from <code>N</code>, given the probability values of
<code>prev</code>, <code>sens</code>, and <code>spec</code>.
Default: <code>sample = FALSE</code>.</p></dd>


<dt>f_lbl</dt>
<dd><p>Type of label for showing frequency values in 4 main areas,
with 6 options:</p><ol><li><p><code>"def"</code>: abbreviated names and frequency values;</p></li>
<li><p><code>"abb"</code>: abbreviated frequency names only (as specified in code);