></strong><code>(T x)</code><br>
gamma function applied to x. The gamma function is the generalization
of the factorial function to continuous variables, defined so that
<span class="math inline">\(\Gamma(n+1) = n!\)</span>. See for a full definition of <span class="math inline">\(\Gamma(x)\)</span>. The
function is defined for positive numbers and non-integral negative
numbers,</p>
<!-- R; lgamma; (T x); -->
<p></p>
<p><code>R</code> <strong><code>lgamma</code></strong><code>(T x)</code><br>
natural logari