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

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:

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