R is free and open source, and is the pre-eminent tool for statisticians and data scientists. It has more than 6,000 user-contributed packages, which help users working in fields as diverse as chemistry, biology, physics, finance, psychology, and medical science. R's extremely powerful and flexible statistical graphics greatly help these users in their work.
In recent years, R has become more and more popular, and there are an increasing number of packages for R that make cleaning, analyzing, and presenting data on the web easy for everybody. The Shiny package in particular makes it incredibly easy to deliver interactive data summaries and queries to end users through any modern web browser. You're reading this book ...
