Class and Object

OOPs in R Programming Language:

In R programming, OOPs in R  provide classes and objects as its key tools to reduce and manage the complexity of the program. R is a functional language that uses concepts of OOPs. We can think of a class as a sketch of a car. It contains all the details about the model_name, model_no, engine, etc. Based on these descriptions we select a car. The car is the object. Each car object has its own characteristics and features. An object is also called an instance of a class and the process of creating this object is called instantiation. In R S3 and S4 classes are the two most important classes for object-oriented programming. But before going discussing these classes let’s see a brief about classes and objects....

Class and Object

Class is the blueprint or a prototype from which objects are made by encapsulating data members and functions. An object is a data structure that contains some methods that act upon its attributes....

S3 Class

S3 class does not have a predefined definition and is able to dispatch. In this class, the generic function makes a call to the method. Easy implementation of S3 is possible because it differs from the traditional programming language Java, C++, and C# which implements Object Oriented message passing....

S4 Class

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