What is the function used to test objects (returns a logical operator) if they are NA? - R Programming MCQs

Home / Programming MCQs / R Programming MCQs / Question

M

Mr. Dubey • 51.43K Points
Coach

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

(A) is.na()

(B) is.nan()

(C) as.na()

(D) as.nan()

Correct answer: Option(A)

R Programming Share

No solution found for this question.
Add Solution and get +2 points.

You must be Logged in to update hint/solution

Previous MCQ Next MCQ

Discusssion

Login to discuss.

Related MCQs on R Programming

. . . . . . . . is used for translating between qplot and base graphics.

The building blocks of artificial neural networks are artificial . . . . . . . .

What will be the output of the following R code? > m <- 1:10 > m

lappy functions takes . . . . . . . . arguments in R language.

Which function helps you perform sorting in R language?

Which of the following R code extracts the second column for the following matrix? > x <- matrix(1:6, 2, 3)

system.time function returns an object of class . . . . . . . . which contains two useful bits of information.

In dplyr, what is the purpose of the %>% operator (pipe operator)?

A . . . . . . . . is a two-dimensional rectangular data set.

In dplyr, how do you calculate the total count of observations in each group using summarize()?

Learn All R Programming MCQs