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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-2 section-2

Each section contains 100 MCQs on Data Structures in R Programming .
11
Which of the following function gives the day of the week?
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Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
12
Point out the wrong statement?
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Answer & Solution
Answer: Option C
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13
What will be the output of the following R code?
> x <- as.POSIXct("2012-10-25 01:00:00")
> y <- as.POSIXct("2012-10-25 06:00:00", tz = "GMT")
> y-x
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Answer & Solution
Answer: Option A
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14
What will be the output of the following R code?
> x <- list(foo = 1:4, bar = 0.6, baz = "hello")
> name <- "foo"
> x[[name]]
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Answer & Solution
Answer: Option A
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15
What will be the output of the following R code?
> datestring <- c("January 10, 2012 10:40", "December 9, 2011 9:10")
> x <- strptime(datestring, "%B %d, %Y %H:%M")
> x
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Answer & Solution
Answer: Option A
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16
We can dump() R objects to a file by passing . . . . . . . .
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Answer & Solution
Answer: Option A
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17
What will be the output of the following R code?
> x <- 1:4
> y <- 6:9
> x/y
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Answer & Solution
Answer: Option B
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18
Point out the correct statement?
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Answer & Solution
Answer: Option A
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19
The dplyr package can be installed from CRAN using . . . . . . . .
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Answer & Solution
Answer: Option B
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20
Which of the following argument denotes if the file has a header line?
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Answer & Solution
Answer: Option A
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