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Welcome to the Control Structures and Functions MCQs Page

Dive deep into the fascinating world of Control Structures and Functions with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Control Structures and Functions, a crucial aspect of R Programming. In this section, you will encounter a diverse range of MCQs that cover various aspects of Control Structures and Functions, 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 Control Structures and Functions. 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 Control Structures and Functions. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Control Structures and Functions MCQs | Page 7 of 13

Explore more Topics under R Programming

Q61.
In the base graphics system, which function is used to add elements to a plot?

a.

Boxplot()

b.

Text()

c.

Boxplot() or Text()

d.

Treat()

Discuss
Answer: (c).Boxplot() or Text()
Q62.
What are the different types of sorting algorithms available in R language?

a.

Bubble

b.

Selection

c.

Merge

d.

All sorts

Discuss
Answer: (d).All sorts
Q63.
What is the command used to store R objects in a file?

a.

save (x, file=”x.Rdata”)

b.

save (x, file=x.Rdata)

c.

save (x, file=”x.Rdata”);

d.

save (x, file=”x.data”)

Discuss
Answer: (a).save (x, file=”x.Rdata”)
Q64.
___________ can be used for storing the data for long-term.

a.

HDLS

b.

HDFS

c.

HDLSV

d.

HSSLV

Discuss
Answer: (b).HDFS
Q65.
MapReduce jobs submitted from either Oozie, Pig or Hive can be used to encode, improve and sample the data sets from _________ into R.

a.

HDLS

b.

HDFS

c.

HDLSV

d.

HSSLV

Discuss
Answer: (b).HDFS
Q66.
What will be the output of log (-5.8) when executed on R console?

a.

NAN

b.

NA

c.

Error

d.

0.213

Discuss
Answer: (a).NAN
Q67.
How is a Data object represented internally in R language?

a.

unclass (as.time (“2018-12-28″))

b.

unclass (as.dat (“2018-12-28″))

c.

unclass (as.D (2018-12-28))

d.

unclass (as.Date (“2018-12-28″))

Discuss
Answer: (d).unclass (as.Date (“2018-12-28″))
Q68.
Which package in R supports the exploratory analysis of genomic data?

a.

Adegenat

b.

Adegenet

c.

Adegnet

d.

Adezenet

Discuss
Answer: (b).Adegenet
Q69.
__________ can contain heterogeneous inputs.

a.

Matrix

b.

Data Frames

c.

Matrix and Data Frames

d.

Does not exists

Discuss
Answer: (b).Data Frames
Q70.
________ function can be used to add datasets in R provided with the columns in the datasets should be the same.

a.

rbind()

b.

bbind()

c.

jbind()

d.

hbind()

Discuss
Answer: (a).rbind()
Page 7 of 13

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