Knowledge & Perspectives
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Articles, analysis and perspectives on Business Intelligence, Analytics and AI.
Analytics
Analytics A/B testing: how to design experiments you can trust
A poorly designed A/B test misleads more than it informs. Learn to set the hypothesis, sample size and s…
Analytics Market basket analysis: what customers buy together
Market basket analysis reveals which products sell together. Learn to read support, confidence and lift …
Analytics Mean, median and standard deviation: summarize honestly
Mean, median or standard deviation? Learn when each summary measure describes your data well, when it mi…
Analytics From dashboard to decision: metrics that change behaviors
Why most dashboards change nothing and how to design metrics that drive action: clear owner, comparison,…
Analytics Anomaly detection: when data warns you before the problem explodes
How anomaly detection warns you before the problem grows: what an anomaly is, the types (point, contextu…
Analytics A/B testing: how to make decisions with statistical significance
What A/B tests are, why randomness and statistical significance are essential, the common mistakes to av…
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