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Learning R Programming

Learning R Programming

By : Ren
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Learning R Programming

Learning R Programming

By: Ren

Overview of this book

R is a high-level functional language and one of the must-know tools for data science and statistics. Powerful but complex, R can be challenging for beginners and those unfamiliar with its unique behaviors. Learning R Programming is the solution - an easy and practical way to learn R and develop a broad and consistent understanding of the language. Through hands-on examples you'll discover powerful R tools, and R best practices that will give you a deeper understanding of working with data. You'll get to grips with R's data structures and data processing techniques, as well as the most popular R packages to boost your productivity from the offset. Start with the basics of R, then dive deep into the programming techniques and paradigms to make your R code excel. Advance quickly to a deeper understanding of R's behavior as you learn common tasks including data analysis, databases, web scraping, high performance computing, and writing documents. By the end of the book, you'll be a confident R programmer adept at solving problems with the right techniques.
Table of Contents (16 chapters)
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Chapter 6. Working with Strings

In the previous chapter, you learned many built-in functions in several categories to work with basic objects. You learned how to access object classes, types, and dimensions; how to do logical, math, and basic statistical calculations; and how to perform simple analytic tasks such as root solving. These functions are the building blocks of our solution to specific problems.

String-related functions are a very important category of functions. They will be introduced in this chapter. In R, texts are stored in character vectors, and a good number of functions and techniques are useful to manipulate and analyze texts. In this chapter, you will learn the basics and useful techniques of working with strings, including the following topics:

  • Basic manipulation of character vectors
  • Converting between date/time objects and their string representations
  • Using regular expressions to extract information from texts
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Learning R Programming
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