Vapply and Tapply

Lesson 12 of 16 • 0 upvotes • 9:08mins

Rohit Kumar Singh

In the last lesson, you learned about the two most fundamental members of R's *apply family of functions: lapply() and sapply(). Both take a| list as input, apply a function to each element of the list, then combine and return the result. lapply() always returns a list, whereas| sapply() attempts to simplify the result.In this lesson, you'll learn how to use vapply() and tapply(), another important functions of the R's *apply family of functions.