These open-source MMM tools solve different measurement problems, from budget optimization to forecasting and preprocessing.

Lucas Downey is the co-founder of MoneyFlows, and an Investopedia Academy instructor. Gordon Scott has been an active investor and technical analyst or 20+ years. He is a Chartered Market Technician ...

Background Annually, 4% of the global population undergoes non-cardiac surgery, with 30% of those patients having at least ...