Google has launched a new open source marketing mix model MMM for data scientists and marketers called Meridian. It meant to help them better understand how their marketing campaigns influence sales and other key business goals. Meridian was announced almost a year ago and has been tested with hundreds of brands globally for feedback, Google said in a blog post . It an updated version of Google previous offering called LightwieightMMM. The company previously noted that about 60% of US adverti
