ADD: implementation of logistic regression classifier with L2 regularization.
ADD: implementation of logistic regression classifier with L2 regularization.

wikimedia/analytics-user-metrics,wikimedia/analytics-user-metrics,wikimedia/user_metrics,wikimedia/analytics-user-metrics,rfaulkner/wikipedia_user_metrics,rfaulkner/wikipedia_user_metrics,wikimedia/user_metrics,rfaulkner/wikipedia_user_metrics,wikimedia/user_metrics