Derek Eder derekeder

WHAT IS THIS?

This is a step-by-step tutorial for getting started with R, a powerful programming language for data analysis and visualization. It is aimed at near complete beginners. You'll basically want to be comfortable with spreadsheets and with using your computer's command line.

I slapped this together quickly, so expect some weirdness. Feel free to email me with comments or questions at jpvelez | at | gmail.com

I learned the following stuff using the UCLA Statistic's Department great R tutorials, so check those out:

Get Mountain Lion and Homebrew to Be Happy

1) Install XCode 4.4 into /Applications

Get it from the App Store.

2) Install Command Line Tools

In XCode's Preferences > Downloads you can install command line tools.

	module Jekyll
	class CategoryAwareNextGenerator < Generator

	safe true
	priority :high

	def generate(site)
	site.categories.each_pair do \|category_name, posts\|
	posts.sort! { \|a, b\| b <=> a }

	;; a naive implementation of the R intro demo from Chicago Open Data Hack Night
	;; using clojure and incanter
	;;
	;; Data and explanation here: http://gathers.us/events/open-gov-hack-night-organized-by-open-city-ebf93
	;;
	;; * Download incanter-latest (1.2 right now)
	;; * run `script/repl`
	;; * copy in code

	(use '(incanter core io stats charts))