R Basics Online Quiz 6

R Basics Online Quiz: The R language is a free and open-source language developed by Ross Ihaka and Robert Gentleman in 1991 at the University of Auckland, New Zealand. The R Language is used for statistical computing and graphics to clean, analyze, and graph your data. Let us start with the R Basics Online Quiz.

This quiz is about R Basics, covering the topics of R sequence operator, R objects, R Environment, and many more.

1. Which of the following functions can a data analyst use to get a statistical summary of their dataset?

 
 
 
 

2. In 1991 R Language was created by Ross Ihaka and Robert Gentleman in the Department of Statistics at the University of ____________.

 
 
 
 

3. In R, an object name cannot start with

 
 
 
 

4. The R console is a tool that is used to write (insert) standard

 
 
 
 

5. R was named partly after the first names of _____________ R authors?

 
 
 
 

6. Which of the following describes R Language best

 
 
 
 

7. In ggplot2, you can use the __________ function to specify the data frame to use for your plot.

 
 
 
 

8. R Language functionality is divided into a number of ________

 
 
 
 

9. What does CRAN stand for _________ ?

 
 
 
 

10. The file “.RData” in the current R session is

 
 
 
 

11. R is an _____________ programming language

 
 
 
 

12. A data analyst wants to create the date February 27th, 2027 using the lubridatefunctions. Which of the following are examples of code that would create this value?

 
 
 
 

13. What type of plot will the following code create?
ggplot(data = penguins) +
geom_point(mapping = aes(x = flipper_length_mm, y = body_mass_g))

 
 
 
 

14. Factors in R, are used to represent the

 
 
 
 

15. A data analyst inputs the following command:
quartet %>% group_by(set) %>% summarize(mean(x), sd(x), mean(y), sd(y), cor(x, y)).

Which of the functions in this command can help them determine how strongly related their variables are?

 
 
 
 

16. Which of the following software is used for statistical analysis in R

 
 
 
 

17. A sequence of integer values can be created using the operator

 
 
 
 

18. The ______________ is your current R working environment that includes user-defined objects

 
 
 
 

19. ___________ developed R language

 
 
 
 

20. GUI stands for

 
 
 
 


Frequently Asked Questions About R
R Basics Quiz

R Basics Online Quiz with Answers

  • A sequence of integer values can be created using the operator
  • R is an ———— programming language
  • The ———— is your current R working environment that includes user-defined objects
  • Which of the following software is used for statistical analysis in R
  • R was named partly after the first names of ———— R authors.
  • The R console is a tool that is used to write (insert) standard
  • In R, an object name cannot start with
  • The file “.RData” in the current R session is
  • Which of the following describes R Language best
  • R Language functionality is divided into a number of ————
  • GUI stands for
  • What does CRAN stand for ————?
  • In 1991 R Language was created by Ross Ihaka and Robert Gentleman in the Department of Statistics at the University of ————.
  • ———— developed R language
  • Factors in R, are used to represent the
  • Which of the following functions can a data analyst use to get a statistical summary of their dataset?
  • A data analyst inputs the following command: quartet %>% group_by(set) %>% summarize(mean(x), sd(x), mean(y), sd(y), cor(x, y)). Which of the functions in this command can help them determine how strongly related their variables are?
  • In ggplot2, you can use the ———— function to specify the data frame to use for your plot.
  • What type of plot will the following code create? ggplot(data = penguins) + geom_point(mapping = aes(x = flipper_length_mm, y = body_mass_g))
  • A data analyst wants to create the date February 27th, 2027 using the lubridate functions. Which of the following are examples of code that would create this value?

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