@property
    def L2Norm(self):
        if self._L2Norm is None:
            L2Func = lambda x: (self.norm_const*self._shape(x))**2
            if self.domain is None:
                self._L2Norm = scipy.integrate.quad(L2Func, -inf, inf)[0]
            else:
                self._L2Norm = scipy.integrate.quad(L2Func, self.domain[0],
                                               self.domain[1])[0]
        return self._L2Norm
Callback used by deferred_to_columns(). The "target" parameter should
dataset/ETHPy150Open statsmodels/statsmodels/statsmodels/sandbox/nonparametric/kernels.py/CustomKernel.L2Norm--crossover with--dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/Django-1.6.10/django/db/models/sql/query.py/Query.deferred_to_columns_cb