rho/r</code> and <code>L4.z/rho/r</code>)</li>
<li>third and forth central L-moments (<code>L3.mu.z/rho/r</code> and
<code>L4.mu.z/rho/r</code>)</li>
<li>ratio of L1 and L2 moments (<code>L.CV.z/rho/r</code>)</li>
<li>median of the absolute deviation from the overall median
(<code>median.a.d.z/rho/r</code>)</li>
<li>mode of the absolute deviation from the overall mode
(<code>mode.a.d.z/rho/r</code>)</li>
<li>Canopy relief ratio i.e., the ration of <code>mean.z/rho/r</code> to
<code>max.z/rho/r</code> (<code