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

Learn Data Structures in R Programming MCQ Questions and answers with easy and logical explanations in R Programming. Data 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-9 section-1

Each section contains 100 MCQs on Data Structures in R Programming .
81
Point out the wrong statement?
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Answer & Solution
Answer: Option C
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82
What will be the output of the following R code?
> x <- matrix(1:6, 2, 3)
> x[1, 2]
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Answer & Solution
Answer: Option A
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83
Individual R objects can be saved to a file using the . . . . . . . . function.
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Answer & Solution
Answer: Option A
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84
Point out the correct statement?
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Answer & Solution
Answer: Option A
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85
If you have a lot of objects that you want to save to a file, we use . . . . . . . . function.
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Answer & Solution
Answer: Option B
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86
Multiple objects can be de parsed at once using the . . . . . . . . function.
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Answer & Solution
Answer: Option A
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87
When you call serialize() on an R object, the output will be . . . . . . . . coded in hexadecimal format.
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Answer & Solution
Answer: Option A
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88
Which of the following code extracts 1st element of the 2nd element?
> x <- list(a = list(10, 12, 14), b = c(3.14, 2.81))
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Answer & Solution
Answer: Option A
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89
Which of the following object is masked from 'package: stats'?
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Answer & Solution
Answer: Option A
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90
What will be the output of the following R code?
> x <- list(aardvark = 1:5)
> x[["a", exact = FALSE]]
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Answer & Solution
Answer: Option A
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