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R Programming MCQs MCQs: 2400+ Questions & Answers in Programming

2400+ R Programming MCQs MCQs in Programming with answers & explanations. Page 31. Practice objective questions for competitive exams, interviews & self-asse… Use the answer toggle below to show or hide all solutions, tap an option to check one question, or open a question for its own page.

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R Programming MCQs MCQs: 2400+ Questions & Answers in Programming

What is the output of the following R code: for (i in 1:5) { if (i %% 2 == 0) { print(i) } }

In R, what is the purpose of the repeat loop combined with break?

How is the switch() function different from if-else in R?

What is the role of the next statement in a loop in R?

In R, what does the repeat loop combined with next do?

What is the role of exploratory graphs in data analysis?

What will be the output of the following R code? > set.seed(20) > x <- rnorm(100) > e <- rnorm(100, 0, 2) > y <- 0.5 + 2 * x + e > summary(y)

. . . . . . . . evaluate the cumulative distribution function for a Normal distribution.

. . . . . . . . describe the type of plot you will produce.

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

The elapsed time may be . . . . . . . . than the user time if your machine has multiple cores/processors.

. . . . . . . . ensures reproducibility of the sequence of random numbers.

. . . . . . . . is used to create a plot to illustrate patterns of missing values.

Which of the following function works similar to separate()?

Which of the following function takes multiple columns?

The final bit of output that summaryRprof() provides is the . . . . . . . . interval and the total runtime.

. . . . . . . . is interval represented by a vertical line, with a point in the middle.

Which of the following statement gives sampling interval?

Point out the wrong statement?

Point out the wrong statement?

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