The Class System in R by Paul Burch

In this talk I will discuss how objects are represented and manipulated in R. R has two class systems for object oriented programming, S3 and S4. The generic functions plot, print and summary perform different computations depending on the class of an object. I will provide an overview of the S3 and S4 class systems and how methods for generic functions interact with them. The talk is aimed at an intermediate audience but will hopefully provide some insights for beginners.

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