David Langer joins us to discuss his work as a data analytics educator and his beliefs in the use of Excel, SQL and R in analytics work. In this episode you will learn: • Intro to Dave on Data [5:05] • 20% analytics that drives 80% of ROI [9:17] • The benefits of SQL [17:29] • The uses of R [23:07] • Machine learning [32:30] Additional materials: https://www.superdatascience.com/475