@cache_readonly
    def bse_fe(self):
        p = self.model.exog.shape[1]
        return np.sqrt(np.diag(self.cov_params())[0:p])
L{TestLoader.loadClass} returns a suite with each test method
dataset/ETHPy150Open statsmodels/statsmodels/statsmodels/regression/mixed_linear_model.py/MixedLMResults.bse_fe--crossover with--dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/trial/test/test_loader.py/LoaderTest.test_differentInstances