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Welcome to the Formats,Objects and Operations MCQs Page

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

Formats,Objects and Operations MCQs | Page 2 of 10

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Q11.
Unlike writing out a table or CSV file, dump() and dput() preserve the ______ so that another user doesn’t have to specify the all over again.

a.

metadata

b.

backup data

c.

attribute data

d.

normal data

Discuss
Answer: (a).metadata
Q12.
One way to pass data around is by de parsing the R object with _________

a.

dput()

b.

write()

c.

read()

d.

dget()

Discuss
Answer: (a).dput()
Q13.
Main way to read the data back in (parsing it) using the function.

a.

dput()

b.

write()

c.

read()

d.

dget()

Discuss
Answer: (d).dget()
Q14.
dput() output is in the form of ___________

a.

R code

b.

text file code

c.

binary code

d.

both binary and text

Discuss
Answer: (a).R code
Q15.
Multiple objects can be de parsed at once using the ______ function.

a.

dput()

b.

write()

c.

dump()

d.

dget()

Discuss
Answer: (a).dput()
Q16.
Multiple objects can be de parsed at once and read back using function _____

a.

source()

b.

read()

c.

dget()

d.

dput()

Discuss
Answer: (a).source()
Q17.
We can dump() R objects to a file by passing _____

a.

character vector of their names

b.

object name

c.

arguments

d.

file name

Discuss
Answer: (a).character vector of their names
Q18.
If we want to save individual R objects to a file, we use the _______ function.

a.

save()

b.

save.image()

c.

serialize()

d.

deserialize()

Discuss
Answer: (a).save()
Q19.
If you have a lot of objects that you want to save to a file, we use ________ function.

a.

save()

b.

save.image()

c.

serialize()

d.

deserialize()

Discuss
Answer: (b).save.image()
Q20.
.rda extension used when saving data with function __________

a.

save()

b.

save.image()

c.

save and save.image functions

d.

serialize()

Discuss
Answer: (c).save and save.image functions
Page 2 of 10

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