What is the purpose of R programming language and how is it commonly used in the field of data science?

The purpose of the R programming language is to provide a powerful and flexible environment for statistical computing, data analysis, and graphical visualization. R was developed specifically for data analysis and has gained immense popularity among statisticians, data scientists, and researchers due to its extensive range of statistical and graphical techniques. In the field of data science, R is commonly used for several purposes. Firstly, R provides a wide range of statistical functions and libraries that allow data scientists to perform complex statistical analyses. These analyses include descriptive statistics, hypothesis testing, regression analysis, time series analysis, clustering, and more. The rich collection of statistical packages in R....