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Data Manipulation with R - Second Edition by Jaynal Abedin, Kishor Kumar Das

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Chapter 1. Introduction to R Data Types and Basic Operations

R is an object-oriented programming language and an environment that is a variation of the S language written by Ross Ihaka and Robert Gentlemen (hence, the name R). What can we do using R? The answer is we can do anything we can think of that is logical and/or structural. With R, we can perform data processing, write functions, produce graphs, perform complex data analysis, and also produce our own customized packages (a collection of functions to perform specified tasks) to solve specific problems. We can develop up-to-date statistical techniques through R packages. Most importantly, R is open source and is a freely available software that will remain free.

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