def rvs(self, alpha, size=<NUM_LIT:1>):
alpha = _dirichlet_check_parameters(alpha)<EOL>return np.random.dirichlet(alpha, size=size)<EOL>
Draw random samples from a Dirichlet distribution.

Parameters
----------
%(_dirichlet_doc_default_callparams)s
size : integer, optional
    Number of samples to draw (default 1).


Returns
-------
rvs : ndarray or scalar
    Random variates of size (`size`, `N`), where `N` is the
    dimension of the random variable.