ABSTRACT
R is not a programming language like C or Java. It was not created by software engineers for software development. It was developed by statisticians as an interactive environment for data analysis. The interactivity is an indispensable feature in data science because the ability to quickly explore data is a necessity for success in this field. One of the great advantages of R over point-and-click analysis software is that one can save the work as scripts. RStudio includes an editor with many R specific features, a console to execute the code, and other useful panes, including one to show figures. RStudio will be the launching pad for data science projects. It not only provides an editor to create and edit the scripts but also provides many other useful tools. RStudio provides a useful cheat sheet with the most widely used commands.
