A free online course on learning R ( sponsored by O Reilly)
Table of Contents
- R Syntax: A gentle introduction to R expressions, variables, and functions
- Vectors: Grouping values into vectors, then doing arithmetic and graphs with them
- Matrices: Creating and graphing two-dimensional data sets
- Summary Statistics: Calculating and plotting some basic statistics: mean, median, and standard deviation
- Factors: Creating and plotting categorized data
- Data Frames: Organizing values into data frames, loading frames from files and merging them
- Working With Real-World Data: Testing for correlation between data sets, linear models and installing additional packages
Related articles
- Learn R by trying R (r-bloggers.com)
DECISION STATS 
One thought on “Try and learn R – for Free”