/p></dd>


<dt>exponentiate</dt>
<dd><p>a logical
indicator that the regression parameters should be exponentiated. This is by
default true for all functionals except the mean.</p></dd>


<dt>replaceZeroes</dt>
<dd><p>if not
<code>FALSE</code>, this indicates a value to be used in place of zeroes when
computing a geometric mean. If <code>TRUE</code>, a value equal to one-half the
lowest nonzero value is used. If a numeric value is supplied, that value is
used. Defaults to <code>TRUE</code> when <code>fnctl 