Miscellaneous
Anscombe's Quartet
A classic example of the need to visualize one's data.
The example JASP file demonstrates the use of inspecting data thoroughly using plots rather than statistical output.
Fictional data from Anscombe (1973).
Missing Data
Synthetic data with missing values.
The example JASP file demonstrates the use of missing values.
Fictional data from Alexander Ly.
The Datasaurus Dozen (Long)
Twelve variable pairs with the same summary statistics (i.e., means, standard deviations, and Pearson correlation coefficients) but dramatically different distributions.
The example JASP file demonstrates the use of data visualization.
Synthetic data from Matejka & Fitzmaurice (2018). Data set included in R (Locke & McGowan, 2018).
The Datasaurus Dozen (Wide)
Twelve variable pairs with the same summary statistics (i.e., means, standard deviations, and Pearson correlation coefficients) but dramatically different distributions.
The example JASP file demonstrates the use of data visualization.
Synthetic data from Matejka & Fitzmaurice (2018). Data set included in R (Locke & McGowan, 2018).