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Control Structures in R Programming MCQ question and answer with solution | R Programming MCQs

Learn Control Structures in R Programming MCQ Questions and answers with easy and logical explanations in R Programming. Control Structures in R Programming MCQ question provides all type of technical mcq questions which is important for technical exams, campus exams and other entrance examination. Page-2 section-2

Each section contains 100 MCQs on Control Structures in R Programming .
11
The . . . . . . . . function returns a list of all the formal arguments of a function.
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Answer & Solution
Answer: Option A
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12
What will be the output of the following R code?
> x <- list(a = 1:4, b = rnorm(10), c = rnorm(20, 1), d = rnorm(100, 5))
> sapply(x, mean)
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Answer & Solution
Answer: Option A
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13
Which function is used to create a histogram for visualisation in R programming language?
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Answer: Option B
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14
. . . . . . . . function is used to apply an expression for a given dataset.
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Answer & Solution
Answer: Option B
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15
. . . . . . . . function is used in applying a function each level of factors.
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Answer: Option B
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16
The recover() function will first print out the function call stack when an . . . . . . . . occurs.
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Answer & Solution
Answer: Option A
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17
The cumulative frequency distribution of a categorical variable can be checked using the . . . . . . . . function in R language.
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Answer: Option B
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18
R uses . . . . . . . . scoping6 0 or static scoping.
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Answer & Solution
Answer: Option C
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19
R has . . . . . . . . statements that provide explicit looping.
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Answer: Option B
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20
Point out the wrong statement?
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Answer: Option B
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