def mean(self, alpha):
alpha = _dirichlet_check_parameters(alpha)<EOL>out = alpha / (np.sum(alpha))<EOL>return _squeeze_output(out)<EOL>
Compute the mean of the dirichlet distribution.

Parameters
----------
%(_dirichlet_doc_default_callparams)s

Returns
-------
mu : scalar
    Mean of the Dirichlet distribution