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.\n\nIn this episode you will learn:\n\nIntro to Dave on Data [6:50]\n\n20% analytics that drives 80% of ROI [11:04]\n\nThe benefits of SQL [19:15]\n\nThe uses of R [24:50]\n\nMachine learning [34:15]\n\n\nAdditional materials: www.superdatascience.com/475