A running list of some of my favorite online statistics resources – including blog posts, visualizations, interactive simulations, and text books.
Blog posts & cheat sheets
Common statistical tests are linear models: A really clear explanation of how many common statistical tests can be conceptualized as types of linear regressions.
An Introduction to Hierarchical Modeling: An excellent visualization of random intercepts and slopes in multilevel models
Rpsychologist: Nice clean visualizations of key concepts.
Books
Teacups, giraffes, & statistics: A wonderful intro-to-stats website.
Seeing Theory: A visual textbook with interactive visualizations of key concepts.
Learning Statistics with R: Self explanatory name, a great free and open source textbook.
Statistical Thinking for the 21st Century: Another great open source statistics textbook.
Mixed Models with R: An introduction to mixed-effect models in R.
Introduction to Multilevel Modelling: Another nice introduction to mixed-effect models in R.
David Baranger, PhD 