Knowledge & Perspectives
Insights
Articles, analysis and perspectives on Business Intelligence, Analytics and AI.
Analytics
Analytics Metrics that mislead: Simpson's paradox and other statistical traps
How metrics mislead: Simpson's paradox (a trend that reverses when groups are combined), averages that h…
Analytics Survival analysis: predicting how long until an event (churn, breakdown)
What survival analysis is and why it answers 'how long until?' questions better than an average: the cen…
Analytics Descriptive, predictive and prescriptive: the 3 levels of analytics
The 3 levels of analytics explained: descriptive (what happened), predictive (what will happen) and pres…
Analytics Root cause analysis: going down from symptoms to causes with data
How to use data to find the true cause of a problem, not just the symptom: why we settle for the wrong e…
Analytics Data literacy: why the whole company needs to read data
What data literacy is, why the whole company (not just the data team) needs it, the signs of low literac…
Analytics Confidence intervals: how to communicate the uncertainty of an estimate
Why every estimate has uncertainty and how to communicate it with confidence intervals: the danger of fa…
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