neg_binomial_lpmf; (ints n | reals alpha, reals beta); -->
<p></p>
<p><code>real</code> <strong><code>neg_binomial_lpmf</code></strong><code>(ints n | reals alpha, reals beta)</code><br>
The log negative binomial probability mass of n given shape alpha and
inverse scale beta</p>
<!-- real; neg_binomial_cdf; (ints n, reals alpha, reals beta); -->
<p></p>
<p><code>real</code> <strong><code>neg_binomial_cdf</code></strong><code>(ints n, reals alpha, reals beta)</code><br>
The negative binomial cumulative distr