Question

__________ package is used to speed up data frame management code.

(a) Data.table

(b) Dplyr

(c) Table

(d) Data.dplyr

I had been asked this question by my school teacher while I was bunking the class.

I'd like to ask this question from Functions in chapter Control Structures, Functions, Scoping Rules, Loop Functions and Debugging of R Programming

Answer 1

Right answer is (b) Dplyr

To explain: dplyr is a powerful R-package to transform and summarize tabular data with rows and columns. dplyr package is used to speed up data frame management code. dplyr is a package for data manipulation, written and maintained regularly by Hadley Wickham.