Student's t distribution

The probability density function for the Student's t distribution is:

.. math::

 f(x, \nu) = \frac{\Gamma((\nu+1)/2)}
                    {\sqrt{\pi \nu} \Gamma(\nu/2)}
                (1+x^2/\nu)^{-(\nu+1)/2}

The following plots show the pdf:

.. image:: ../../../../tests/imgs/stats/continuous/t/tpdf.png :align: center :width: 480