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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-5 section-1

Each section contains 100 MCQs on R Programming Basics .
41
Which of the following code constructs vector of length 11?
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Answer & Solution
Answer: Option C
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42
How can we access the first component of the list?
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Answer & Solution
Answer: Option A
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43
An ordered collection of objects or components are called . . . . . . . .
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Answer & Solution
Answer: Option D
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44
The . . . . . . . . function returns a list of densities (y) corresponding to bin values (x).
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Answer & Solution
Answer: Option A
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45
Data frames can have additional attributes such as . . . . . . . .
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Answer: Option B
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46
The . . . . . . . . function takes an arbitrary number of arguments and concatenates them one by one into character strings.
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Answer: Option A
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47
All columns in a matrix must have the same mode and the . . . . . . . . length.
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Answer: Option B
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48
The four most frequently used types of data objects in R are vectors, matrices, data frames and . . . . . . . .
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Answer: Option B
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49
. . . . . . . .are Data frames which contain lists of homogeneous data in a tabular format.
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Answer: Option A
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50
What will be the output of the following R code?
> x <- 1:3
> y <- 10:12
> rbind(x, y)
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Answer: Option A
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