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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-10 section-1

Each section contains 100 MCQs on Data Structures in R Programming .
91
Point out the wrong statement?
Discuss
Answer & Solution
Answer: Option D
No explanation is given for this question. Let's Discuss on Board
92
One way to pass data around is by de parsing the R object with . . . . . . . .
Discuss
Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
93
.RData extension used when we save data using the functions . . . . . . . .
Discuss
Answer & Solution
Answer: Option C
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94
Which of the following extracts first element from the following R vector?
> x <- c("a", "b", "c", "c", "d", "a")
Discuss
Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
95
Point out the correct statement?
Discuss
Answer & Solution
Answer: Option D
No explanation is given for this question. Let's Discuss on Board
96
Which of the following R statement will save the output to the file for following R code?
> a <- data.frame(x = rnorm(100), y = runif(100))
> b <- c(3, 4.4, 1 / 3)
Discuss
Answer & Solution
Answer: Option A
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97
The benefit of the . . . . . . . . function is that it is the only way to perfectly repressed an R object in an exportable format, without losing precision or any metadata.
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Answer & Solution
Answer: Option D
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98
What will be the output of the following R code?
> x <- as.Date("2012-01-01")
> y <- strptime("9 Jan 2011 11:34:21", "%d %b %Y %H:%M:%S")
> x-y
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Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
99
Which of the following return a subset of the columns of a data frame?
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Answer & Solution
Answer: Option A
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100
What will be the output of the following R code?
> x <- c("a", "b", "c", "c", "d", "a")
> x[c(1, 3, 4)]
Discuss
Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board