Introduction to R Programming MCQ question and answer with solution

21.
They primary R system is available from the . . . . . . . .

A. CRAN

B. CRWO

C. GNU

D. CRDO

Answer & Solution Discuss in Board Save for Later

22.
What is the function used to test objects (returns a logical operator) if they are NaN?

A. as.nan()

B. is.na()

C. as.na()

D. is.nan()

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23.
Dataframes can be converted into a matrix by calling the following function data . . . . . . . .

A. matr()

B. matrix()

C. matrixf()

D. matrixfunc()

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24.
Advanced programmers can write . . . . . . . . code to manipulate R objects.

A. Python

B. Java

C. C

D. Java Script

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25.

What will be the output of the following R code?

y <- c(TRUE, 2)

A. [1] "TRUE" "2"

B. [1] "TRUE" 2

C. [1] "0" "2"

D. [1] 1 2

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26.
Point out the WRONG statement?

A. Early versions of the S language contain functions for statistical modeling

B. The book Programming with Data by John Chambers documents S version of the language

C. In 1993 Bell Labs gave StatSci (later Insightful Corp.) an exclusive license to develop and sell the S language

D. The book Programming with Data by IBM documents S version of the language

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27.
The most convenient way to use R is at a graphics workstation running a . . . . . . . . system.

A. windowing

B. running

C. interfacing

D. matrix

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28.
If a command is not complete at the end of a line, R will give a different prompt, by default it is . . . . . . . .

A. *

B. -

C. +

D. /

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29.
Which one of the following is not a basic datatype?

A. Numeric

B. Character

C. Data frame

D. Integer

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30.
In which IDE we can interact with R?

A. R studio

B. Console

C. GCC

D. Power shell

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21.
They primary R system is available from the . . . . . . . .

Answer & Solution

22.
What is the function used to test objects (returns a logical operator) if they are NaN?

Answer & Solution

23.
Dataframes can be converted into a matrix by calling the following function data . . . . . . . .

Answer & Solution

24.
Advanced programmers can write . . . . . . . . code to manipulate R objects.

Answer & Solution

25.
What will be the output of the following R code?

`y <- c(TRUE, 2)`

Answer & Solution

26.
Point out the WRONG statement?

Answer & Solution

27.
The most convenient way to use R is at a graphics workstation running a . . . . . . . . system.

Answer & Solution

28.
If a command is not complete at the end of a line, R will give a different prompt, by default it is . . . . . . . .

Answer & Solution

29.
Which one of the following is not a basic datatype?

Answer & Solution

30.
In which IDE we can interact with R?

Answer & Solution

Read More Section(Introduction to R Programming)

Introduction to R Programming MCQ question and answer with solution | R Programming MCQs

21. They primary R system is available from the . . . . . . . .

Answer & Solution

22. What is the function used to test objects (returns a logical operator) if they are NaN?

Answer & Solution

23. Dataframes can be converted into a matrix by calling the following function data . . . . . . . .

Answer & Solution

24. Advanced programmers can write . . . . . . . . code to manipulate R objects.

Answer & Solution

25. What will be the output of the following R code? y <- c(TRUE, 2)

Answer & Solution

26. Point out the WRONG statement?

Answer & Solution

27. The most convenient way to use R is at a graphics workstation running a . . . . . . . . system.

Answer & Solution

28. If a command is not complete at the end of a line, R will give a different prompt, by default it is . . . . . . . .

Answer & Solution

29. Which one of the following is not a basic datatype?

Answer & Solution

30. In which IDE we can interact with R?

Answer & Solution

Read More Section(Introduction to R Programming)

21.
They primary R system is available from the . . . . . . . .

22.
What is the function used to test objects (returns a logical operator) if they are NaN?

23.
Dataframes can be converted into a matrix by calling the following function data . . . . . . . .

24.
Advanced programmers can write . . . . . . . . code to manipulate R objects.

25.
What will be the output of the following R code?

`y <- c(TRUE, 2)`

26.
Point out the WRONG statement?

27.
The most convenient way to use R is at a graphics workstation running a . . . . . . . . system.

28.
If a command is not complete at the end of a line, R will give a different prompt, by default it is . . . . . . . .

29.
Which one of the following is not a basic datatype?

30.
In which IDE we can interact with R?