Welcome to Phase 2 — intermediate Tableau. Calculated fields are one of Tableau's most powerful features: they let you create entirely new fields by writing formulas directly inside Tableau. No more pre-processing in Excel, no SQL views needed. You define the logic, Tableau computes it row-by-row or as an aggregation. This is where good analysts become great ones.
1-A 2-A 3-A 4-A | 5 END 6 string 7 = IF SUM([Sales]) > 1000 THEN 'High' ELSE 'Low' END 8 = [First] + ' ' + [Last] 9 = DATEDIFF('day', [Order Date], [Ship Date]) | 10 = Ratio of sums is the true overall ratio; row-average is skewed