Understanding statistics through interactive visualizations

Statistical concepts can be difficult to understand from words and equations alone but understanding can come more easily if one gets to play with some numbers. This page features a number of interactive visualizations made to increase the reader's understanding of important statistical concepts.

The following visualizations are currently available

Statistical basics
• Statistical distributions
Statistical methods
• Classification using multiple predictors
Statistical artifacts
• Restriction of range
• Ceiling/floor effects and the relationship to a criteria variable
• Ceiling/floor effects and the estimation of group differences
• Tail effects
• Regression towards the mean (measurement)
• Regression towards the mean (breeding)
• Dichotomization and cut-off values
• Discretization
• Discretization and relative risk
Statistical fallacies
• The NHST subgroup fallacy
• Simpson's paradox
Test bias
• Test bias
• Test bias and omitted variable bias
Psychology
• Jensen's method
• The Dunning-Kruger effect

Looking for more?

Looking for more visualizations of statistical concepts? Check out these great sites:

• R Psychologist (Kristoffer Magnusson)
• Explained Visually
• Interactive p-hacking by 538
• Explorable Explanations
• Seeing theory

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