R Programming MCQ Questions And Answers - Packages

This section focuses on "Packages" in R Programming. These Multiple Choice Questions (MCQ) should be practiced to improve the R Programming skills required for various interviews (campus interviews, walk-in interviews, company interviews), placements, entrance exams and other competitive examinations.

1. Which of the following syntax is used to install forecast package?

A. install.pack("forecast")
B. install.packages("cast")
C. install.packages("forecast")
D. install.pack("forecastcast")

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2. Which splits a data frame and returns a data frame?

A. apply
B. ddply
C. stats
D. plyr

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3. Which of the following is an R package for the exploratory analysis of genetic and genomic data?

A. adeg
B. adegenet
C. anc
D. abd

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4. Which of the following contains functions for processing uniaxial minute-to-minute accelerometer data?

A. accelerometry
B. abc
C. abd
D. anc

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5. ______ Uses Grieg-Smith method on 2 dimensional spatial data.

A. G.A.
B. G2db
C. G.S.
D. G1DBN

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6. Which of the following package provide namespace management functions not yet present in base R?

A. stringr
B. nbpMatching
C. messagewarning
D. namespace

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7. What will be the output of the following R code?

install.packages(c("devtools", "roxygen2"))

A. Develops the tools
B. Installs the given packages
C. Exits R studio
D. Nothing happens

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8. A bundled package is a package that’s been compressed into a ______ file.

A. Double
B. Single
C. Triple
D. No File

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9. .library() is not useful when developing a package since you have to install the package first.

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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10. DESCRIPTION uses a very simple file format called DCF.

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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