def conditional_mean(mu_1, mu_2, a, sigma_12, sigma_22):
    mean = mu_1 + sigma_12 * sigma_22 ** -1 * (a - mu_2)
    return mean
Tests that view created using @oauth_required decorator gives access
dataset/ETHPy150Open eBay/bayesian-belief-networks/bayesian/gaussian_node.py/conditional_mean--crossover with--dataset/ETHPy150Open adlnet/ADL_LRS/oauth_provider/tests/decorators.py/OAuthTestOauthRequiredDecorator.test_resource_None_view