165 citations · 353 across the 4 of their papers we have counts for
4 papers
Visualizing Tests for Equality of Covariance Matrices
Michael Friendly, Matthew Sigal
This paper explores a variety of topics related to the question of testing the equality of covariance matrices in multivariate linear models, particularly in the MANOVA setting. Th…
Elliptical Insights: Understanding Statistical Methods through Elliptical Geometry
Michael Friendly, Georges Monette, John Fox
Visual insights into a wide variety of statistical methods, for both didactic and data analytic purposes, can often be achieved through geometric diagrams and geometrically based s…
The Golden Age of Statistical Graphics
Michael Friendly
Statistical graphics and data visualization have long histories, but their modern forms began only in the early 1800s. Between roughly 1850 and 1900 (), an explosive growth…
A.-M. Guerry's Moral Statistics of France: Challenges for Multivariable Spatial Analysis
Michael Friendly
André-Michel Guerry's (1833) Essai sur la Statistique Morale de la France was one of the foundation studies of modern social science. Guerry assembled data on crimes, suicides, lit…