Hand Book on R Programming

R is a programming language and environment commonly used in statistical computing, data analytics and scientific research. It is one of the most popular languages used by statisticians, data analysts, researchers and marketers to retrieve, clean, analyze, visualize and present data. Due to its expressive syntax and easy-to-use interface, it has grown in popularity in recent years.R is built on top of the language S programming that was originally intended as a programming language that would help the student learn to program while playing around with data.