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  • Book Overview & Buying R Object-oriented Programming
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R Object-oriented Programming

R Object-oriented Programming

By : Black
4.4 (9)
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R Object-oriented Programming

R Object-oriented Programming

4.4 (9)
By: Black

Overview of this book

This book is designed for people with some experience in basic programming practices. It is also assumed that they have some basic experience using R and are familiar using the command line in an R environment. Our primary goal is to raise a beginner to a more advanced level to make him/her more comfortable creating programs and extending R to solve common problems.
Table of Contents (14 chapters)
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4
4. Calculating Probabilities and Random Numbers
12
A. Package Management
13
Index

Chapter 10. Case Study – Course Grades

This chapter is our first case study. We bring together the ideas from the previous chapters and provide an extended example. Some new ideas are introduced, and they should make more sense in the context of a full example.

This chapter is roughly divided into four parts:

  • The Course class: This section gives you an overview of the S4 class that will contain a list of grades for a course. The grades are kept in a list with each graded task as a separate object.
  • The assignment classes: This section gives you an overview of the S4 classes used to keep the grades for a specific graded task. This class has two derived classes. One derived class is to keep track of grades that have a numeric score, and the other is to keep track of grades that consist of letters.
  • Extending existing functions: This section includes a brief discussion of how existing functions can be extended to react in an appropriate way to an object that is one of the assignment...
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R Object-oriented Programming
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