Easy to read and easy to search, the R Pocket Guide tackles the most common topics and issues that users of the language face. If you're a professional who needs to analyze moderate-to-large data sets, tools like Excel don't have the power or flexibility. R was designed for these situations, with good graphical capabilities and a large, robust library of contributed packages. This little book is packed with the R essentials you need, all in a convenient quick-lookup format.
