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Welcome to the Commands and Packages MCQs Page

Dive deep into the fascinating world of Commands and Packages with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Commands and Packages, a crucial aspect of R Programming. In this section, you will encounter a diverse range of MCQs that cover various aspects of Commands and Packages, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within R Programming.

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Check out the MCQs below to embark on an enriching journey through Commands and Packages. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of R Programming.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Commands and Packages. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Commands and Packages MCQs | Page 6 of 8

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Q51.
________ is a package for parsing, applying, and manipulating data cleaning rules.

a.

edr

b.

editrules

c.

edrGraphicalTools

d.

edrtools

Discuss
Answer: (b).editrules
Q52.
________ performs class prediction based on microarray data and clinical parameters.

a.

M3

b.

M2

c.

MAclinical

d.

M5

Discuss
Answer: (b).M2
Q53.
Which of the following package provide namespace management functions not yet present in base R?

a.

stringr

b.

namespace

c.

nbpMatching

d.

messagewarning

Discuss
Answer: (b).namespace
Q54.
Which of the following is used to analyze paleontological time-series?

a.

accelerometry

b.

parfossil

c.

paleoTS

d.

nbpMatching

Discuss
Answer: (c).paleoTS
Q55.
__________ is used for the analysis of air pollution data.

a.

air

b.

openair

c.

opena

d.

openara

Discuss
Answer: (b).openair
Q56.
Which of the following package contains functions for reading and displaying satellite data for oceanographic applications with R?

a.

saves

b.

satin

c.

saws

d.

termstrc

Discuss
Answer: (b).satin
Q57.
______ is used for Visualisation, verification and calibration of ternary probabilistic forecasts.

a.

toss

b.

termstrc

c.

ternvis

d.

satin

Discuss
Answer: (c).ternvis
Q58.
_________ uniforms and customizes plots of packages ggplot2, graphics and lattice.

a.

uniCox

b.

uniPlot

c.

unknownR

d.

unigraph

Discuss
Answer: (b).uniPlot
Q59.
What will be the output of the following R code? 
install.packages(c("devtools", "roxygen2"))

a.

Develops the tools

b.

Exits R studio

c.

Installs the given packages

d.

Nothing happens

Discuss
Answer: (c).Installs the given packages
Q60.
Which of the following is the formal requirement?

a.

Package

b.

Function

c.

Letters

d.

Interfaces

Discuss
Answer: (c).Letters
Page 6 of 8

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