Sams Teach Yourself R in 24 Hours

Hour 22. Formal Class Systems

What You’ll Learn in This Hour:

S4 classes

Reference classes

R6 classes

Other available class systems

In Hour 21, “Writing R Classes,” you were introduced to the concept of classes, and we walked through the basic features of an S3 class in R. The S3 system provides a soft introduction to classes, allowing much of ...