Scagnostics (scatterplot diagnostics) refers to a series of measures that characterize certain properties of a point cloud in a

scatter plot A scatter plot (also called a scatterplot, scatter graph, scatter chart, scattergram, or scatter diagram) is a type of plot or mathematical diagram using Cartesian coordinates to display values for typically two variables for a set of data. ...

. The term and idea was coined by

John Tukey John Wilder Tukey (; June 16, 1915 – July 26, 2000) was an American mathematician and statistician, best known for the development of the fast Fourier Transform (FFT) algorithm and box plot. The Tukey range test, the Tukey lambda distributi ...

and

Paul Tukey Paul may refer to: *Paul (given name), a given name (includes a list of people with that name) *Paul (surname), a list of people People Christianity * Paul the Apostle (AD c.5–c.64/65), also known as Saul of Tarsus or Saint Paul, early Chri ...

, though they didn't publish it; later it was elaborated by Wilkinson, Anand, and Grossman. The following nine dimensions are considered: # For the outliers in the data: ## outlying # For the density of data points: ## skewed ## clumpy ## sparse ## striated # For the shape of the point cloud: ## convex ## skinny ## stringy # For trends in the data: ## monotony

References

Statistical charts and diagrams {{statistics-stub