**Revolutions**, and kindly contributed to R-bloggers)

*By Revolution Analytics training manager James Peruvankal*

If you are new to R, and want to get an introduction to the R language, in the classic “learning by doing way”, Code school and O’Reilly have put together the Try R interactive tutorial.

This tutorial is a painless introduction to the R programming language. During the course you'll become familiar with using vectors, matrices, factors, and data frames to manipulate data into powerful visualizations.

For new comers, it might sounds daunting, but if you have few minutes why not give it a try?

Here is what the course outline is and you’ll earn cool badges like the one on the right as you make progress!

Level 1 – R Syntax

A gentle introduction to R expressions, variables, and functions

Level 2 – Vectors

Grouping values into vectors, then doing arithmetic and graphs with them

Level 3 – Matrices

Creating and graphing two-dimensional data sets

Level 4 – Summary Statistics

Calculating and plotting some basic statistics: mean, median, and standard deviation

Level 5 – Factors

Creating and plotting categorized data

Level 6 – Data Frames

Organizing values into data frames, loading frames from files and merging them

Level 7 – Working With Real-World Data

Testing for correlation between data sets, linear models

Level 8 – Installing Additional Packages

Extending R with additional libraries

You can get started with the course now at the link below.

Code School: Try R

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