@property
    def normal_reference_constant(self):
        nu = self._order

        if not nu == 2:
            msg = "Only implemented for second order kernels"
            raise NotImplementedError(msg)

        if self._normal_reference_constant is None:
            C = np.pi**(.5) * factorial(nu)**3 * self.L2Norm
            C /= (2 * nu * factorial(2 * nu) * self.moments(nu)**2)
            C = 2*C**(1.0/(2*nu+1))
            self._normal_reference_constant = C

        return self._normal_reference_constant
Given a project array, render its string encoding.
dataset/ETHPy150Open statsmodels/statsmodels/statsmodels/sandbox/nonparametric/kernels.py/CustomKernel.normal_reference_constant--crossover with--dataset/ETHPy150Open kra3/py-ga-mob/pyga/requests.py/X10.__render_project