"The Gap Isn't Always Lying to You" — Missing Data & When & When Not to Impute
Filling in missing data isn't always safe — sometimes the gap itself is the finding.
"The Trend Line Is Lying to You" — Correlation vs. Causation
How confounders, reverse causation, and coincidence fool you
“The Dashboard Is Lying to You” — How One Outlier Skews Everything
A single bad data point can double your dashboard's average and still hide in plain sight.
"The Alarm Is Lying to You" — Base Rates & the Positive-Test Paradox
A security tool that's 95% accurate can still be wrong 9 times out of 10.
“The Average Is Lying to You" — Mean / Median / Mode
Everyone defaults to the average - don’t!