Assigning Classes

Object-Oriented Programming with S3 and R6 in R

Richie Cotton

Data Evangelist at DataCamp

(x <- rexp(10))

0.195051 2.191040 0.498703 0.976122 0.299001
0.105187 0.090073 2.328233 3.043201 2.129631

class(x) <- "random_numbers"

x

0.195051 2.191040 0.498703 0.976122 0.299001
0.105187 0.090073 2.328233 3.043201 2.129631

attr(,"class")

"random_numbers"
Object-Oriented Programming with S3 and R6 in R
class(x)

"random_numbers"

typeof(x)

"double"
Object-Oriented Programming with S3 and R6 in R
is.numeric(x)

TRUE

length(x)

10

mean(x)

1.1856
Object-Oriented Programming with S3 and R6 in R

Summary

  • You can override the class()
  • This won't break existing functionality
Object-Oriented Programming with S3 and R6 in R

Let's practice!

Object-Oriented Programming with S3 and R6 in R

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