Michael Friendly

SAS-macros. SAS macros for statistics and graphics

matlib. Matrix Functions for Teaching and Learning Linear Algebra and Multivariate Statistics

HistData. Data Sets from the History of Statistics and Data Visualization

vcdExtra. Extensions and additions to vcd: Visualizing Categorical Data

Vis-MLM-book. Github repo for my in-progress book, "Visualizing Multivariate Data and Models in R" to be published by Taylor & Francis (CRC Press), 2026

psy6136. Psychology 6136: Categorical Data Analysis

statquotes. An R package for quotes on statistics, data visualization and science

candisc. Visualizing Generalized Canonical Discriminant and Canonical Correlation Analysis

ggbiplot. A ggplot2 based biplot for principal components-like methods

HistDataVis. Website for my book, _A History of Data Visualization & Graphic Communication_, Harvard University Press, 2021

6135. Repo for my course PSY6135: Psychology of Data Visualization

heplots. Visualizing Hypothesis Tests in Multivariate Linear Models, http://friendly.github.io/heplots/

nestedLogit. Nested Dichotomy Logistic Regression Models

ggsprings. ggplot2 extension to draw springs

genridge. Generalized Ridge Trace Plots for Ridge Regression

ellipses_paper. Paper on elliptical insights in statistics

twoway. Analysis of Two-Way Tables a la Tukey

VisMLM-course. Materials for my SCS Short course, Visualizing Linear Models: An R Bag of Tricks, Oct. 2021

VisibleNumbers. Chapter on Milestones Project

WordPools. Word pools used in studies of learning and memory

MLBlogos. Logos for the Major Leagues Baseball Teams in the 2021 Season

Guerry. Maps, data and methods related to Guerry (1833) "Moral Statistics of France"

Vis-MLM-tutorials. Tutorials on Visualizing Multivariate Linear Models in R

DDAR. Development for Discrete Data Analysis with R web site

mvinfluence. Influence Measures and Diagnostic Plots for Multivariate Linear Models

ggCheysson. Graphic styles of Emile Cheysson for ggplot2. Implements stylistic elements (fonts, hachure patterns, color palettes) used by Emile Cheysson in the Albums de Statistique Graphique, sometimes called the pinacle of the Golden Age of Statistical Graphics.

logmult. R package for log-multiplicative models, including association models

vcdExtra-rforge. github repo for the vcdExtra package, cloned from R-Forge (initial version, abandoned)

GoogleScholarScrapeR. Code to scrape google scholar results for a single author

tableplot. Represents table as semi-graphic displays

VisCollin. Visualizing Collinearity Diagnostics

causalsim. R

uncertainty-examples. Uncertainty visualization examples

installr. Functions for installing softwares from within R