pub fn online_logistic_regression(
n_features: usize,
config: Option<StreamingConfig>,
) -> AdvancedAdvancedDistributedOnlineGD<LogisticRegressionObjective>pub fn online_logistic_regression(
n_features: usize,
config: Option<StreamingConfig>,
) -> AdvancedAdvancedDistributedOnlineGD<LogisticRegressionObjective>