Throughout this chapter, and for many other chapters in this book, we'll be using the Incanter library (http://incanter.org/) to load, manipulate, and display data.
Incanter is a modular suite of Clojure libraries that provides statistical computing and visualization capabilities. Modeled after the extremely popular R environment for data analysis, it brings together the power of Clojure, an interactive REPL, and a set of powerful abstractions for working with data.
Each module of Incanter focuses on a specific area of functionality. For example
incanter-stats contains a suite of related functions for analyzing data and producing summary statistics, while
incanter-charts provides a large number of visualization capabilities. ...