Chapter 2. First Steps towards Programming in R
This chapter is a general introduction to classes, objects, and functions in R. Now, we now know that R is an object-oriented language. Conceptually, as any other language of its kind, R has three main elements, as follows:
- Classes
- Objects
- Functions
This chapter will cover the following topics:
- Object-oriented programming (OOP) concepts in R
- Vectors and arrays
- Lists
- Decision making and looping constructs
Object-oriented programming concepts
As in any other object-oriented programming language, a class in R is an abstract definition of an object type with specific attributes associated to it. For instance, for an eventual dog class (which is a general definition of a dog), we could say that it has the color ...
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