 lognormal distribution
          results when the variable is the product of a large number of independent,
          identically-distributed variables.
        </p>
<p>
          For location and scale parameters <span class="emphasis"><em>m</em></span> and <span class="emphasis"><em>s</em></span>
          it is defined by the probability density function:
        </p>
<p>
          <span class="inlinemediaobject"><img src="../../../../equations/lognormal_ref.svg"></span>
        </p>
<p>
          The l