Brendan Tierney, is a developer and data analyst working with SQL, PL/SQL, R, Python, Julia, Go and Java. He has 30+ years experience working in the areas of data mining, data science, machine learning, big data, and data warehousing. I've published six books including, 97 Things about Ethics Everyone in Data Science Should Know, the international Best Seller with MIT Press titled Data Science (Essentials Series) available in 9 languages!, and three books with Oracle Press/McGraw-Hill (Predictive Analytics Using Oracle Data Miner, Oracle R Enterprise: Harnessing the Power of R in Oracle Database, and Real World SQL and PL/SQL: Advice from the Experts). Web and blog: www.oralytics.comTwitter: @brendantierney