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R Programming Basics MCQ question and answer with solution | R Programming MCQs

Learn R Programming Basics MCQ Questions and answers with easy and logical explanations in R Programming. R Programming Basics MCQ question provides all type of technical mcq questions which is important for technical exams, campus exams and other entrance examination. Page-7 section-1

Each section contains 100 MCQs on R Programming Basics .
61
Locator function gives output as . . . . . . . .
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Answer & Solution
Answer: Option B
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62
Numbers in R are generally treated as . . . . . . . . precision real numbers.
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Answer & Solution
Answer: Option B
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63
To extract a sublist, we use . . . . . . . . brackets.
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Answer & Solution
Answer: Option D
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64
Using the . . . . . . . . vector, we create a species factor and bind it to the columns of iris.df.
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Answer & Solution
Answer: Option A
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65
Which is the basic data structure of R containing the same type of data?
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Answer & Solution
Answer: Option C
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66
What will be the output of the following R code?
> m <- matrix(1:6, nrow = 2, ncol = 3)
> m
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Answer & Solution
Answer: Option A
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67
What will be the output of the following R code?
> x <- data.frame(foo = 1:4, bar = c(T, T, F, F))
> ncol(x)
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Answer & Solution
Answer: Option A
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68
Which of the following is invalid assignment?
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Answer & Solution
Answer: Option C
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69
Which function takes a dim attribute which creates the required number of dimensions?
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Answer & Solution
Answer: Option B
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70
What will be the output of the following R code?
> x <- vector("list", length = 5)
> x
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Answer & Solution
Answer: Option A
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