Statistics Links

Electronic Statistics Textbook The Electronic Statistics Textbook offers training in the understanding and application of statistics.
Choosing a statistical test This is chapter 37 of Intuitive Biostatistics (ISBN 0-19-508607-4) by Harvey Motulsky.
Basic statistical concepts by UK parliament.
Statistics Every Writer Should Know by Robert Niles
Stats simplified Statistical Assessment Service
The Elements of Statistical Learning: Data Mining, Inference, and Prediction Free e-book by Trevor Hastie, Robert Tibshirani, Jerome Friedman

Statistics for HCI Research

Statistics for HCI Research by Koji Yatani
Statistically Analyzing Success Rates in Web Usability Testing: The Cochran's Q Test by Jamie Griffith
Statsplorer by RWTH Aachen – Statsplorer (formerly known as VisiStat) is a software tool that allows users to do statistical analysis by interacting with visualizations. It guides the user to select appropriate statistical analysis tasks based on her research questions.
Modern Statistical Methods for HCI by Judy Robertson and Maurits Kaptein (Editors)

Examples of the book "Statistical Data Analysis Explained" by Clemens Reimann, Peter Filzmoser, Robert Garrett, Rudolf Dutter
Quick-R by Robert I. Kabacoff
ANOVA with R by William Revelle
Using R for psychological research: A simple guide to an elegant package by William Revelle
Using Graphics in R
RDataMining.com R and Data Mining
Time Series Analysis and Its Applications: With R Examples Website for the book
Hot Metal Color Table
Tufte in R ("The idea behind Tufte in R is to use R - the most powerful open-source statistical programming language - to replicate excellent visualisation practices developed by Edward Tufte.") by Lukasz Piwek
.Rddj Resources for doing data journalism with R.