"A new statistic proves that 73% of all statistics are pure inventions." J.J.A. Weber
Introduction This document provides the basis to use the R software. R is a statistical environment based on a command-line language. R is a free and open-source software. You can thus freely use it1, freely distribute it, and freely modify and redistribute it.
Figure 1: R is an open-source statistical software. What is in this tutorial?