Think Data Thursday: How can I know my numbers are right? Validating data, calculations and joins

When we're used to MS Excel or SQL old habits die hard...when we have a question about a calculation or what a join is doing in Tableau we'll revert to using the tools we know rather than Tableau. However, Tableau is a fantastic tool for visualization and can be used to verify & validate our numbers. Tableau Zen Master Jonathan Drummey is well known for solving seemingly-impossible challenges in Tableau and in this extended version of the standing-room-only session that he delivered at the 2018 Tableau Conference Europe he’ll share his tips & secrets for getting accurate results the first time and every time.