Year: 2025

2025 Week 18 | Sigma: Can You Re-imagine This Map?

Can you re-imagine this influential map? Introduction In 1854, Dr. John Snow mapped cholera deaths in London to investigate how the disease was spreading. At the time, most believed cholera came from “bad air.” Snow used mapping to reveal a strong cluster of deaths around a single water pump on Broad Street, proving that contaminated …

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Screenshot of a Power BI report that looks like a line chart with a picture of James in the lower right corner.

2025 Week 17 | Power BI: Create a control chart

Introduction Welcome back to Workout Wednesday!  This week we’re building a Control Chart. Control charts can be used to track a specific process measure – such as sales, defects, or processing time – over a period of time. A few common uses are: Manufacturing: Monitoring defect rates and equipment performance  Healthcare: Tracking infection rates, patient …

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#WOW2025 Week 16 | Can you use Containers and Dynamic Zone Visibility?

Introduction This week we’re live at Tableau Conference! Our focus is going to be on a dashboard layout using containers and actions. I’ve built a starter workbook with most of the charts you’ll need, so you’ll just be building one chart and putting them all together on the dashboard with the actions needed.  Click to …

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