'Return eigenvalues sorted in decreasing order.'

@cache_readonly
def eigenvals(self):

    if (self._wexog_singular_values is not None):
        eigvals = (self._wexog_singular_values ** 2)
    else:
        eigvals = np.linalg.linalg.eigvalsh(np.dot(self.model.wexog.T, self.model.wexog))
    return np.sort(eigvals)[::(-1)]
