Data Science Questions and Answers – Shiny

This set of Data Science Questions for entrance exams focuses on “Shiny”.

1. Which of the following project is used for calling R products from web?
a) OpenCPU
b) OpenDisk
c) OpenMem
d) All of the mentioned
View Answer

Answer: a
Explanation: OpenCPU is complementary to OpenCPU.

2. Point out the wrong statement.
a) Shiny is platform for creating interactive programs embedded in to web page
b) Shiny is invented by R folks
c) Time required to create data products using shiny is more
d) All of the mentioned
View Answer

Answer: c
Explanation: Time to create data products is less using shiny.

3. Which of the following statement will install shiny?
a) install.packages(“shiny”)
b) install.library(“shiny”)
c) install.lib(“shiny”)
d) all of the mentioned
View Answer

Answer: a
Explanation: Shiny applications are automatically “live” in the same way that spreadsheets are live.

4. Which of the following can be done by shiny?
a) Tabbed main panels
b) Editable data tables
c) Dynamic UI
d) All of the mentioned
View Answer

Answer: d
Explanation: shiny allows users to upload files.

advertisement
advertisement

5. Point out the correct statement.
a) shiny project is a directory containing at least three parts
b) shiny project is a file containing at least three parts
c) shiny project consist is a directory containing only one part
d) none of the mentioned
View Answer

Answer: d
Explanation: shiny project consist is a directory containing at least two parts.

6. Which of the following function can interrupt execution and can be called continuously?
a) browser()
b) browse()
c) search()
d) all of the mentioned
View Answer

Answer: a
Explanation: Debugging shiny apps can be difficult.

Sanfoundry Certification Contest of the Month is Live. 100+ Subjects. Participate Now!

7. runApp() will run the shiny and open the browser window.
a) True
b) False
View Answer

Answer: a
Explanation: The chart is rendered within the browser using Flash.

8. Which of the following function is for single checkbox widget?
a) checkboxInput
b) dateInput
c) singleboxInput
d) all of the mentioned
View Answer

Answer: a
Explanation: Shiny comes with a family of pre-built widgets, each created with a transparently named R function.

advertisement

9. How many components are involved in shiny?
a) 3
b) 4
c) 5
d) none of the mentioned
View Answer

Answer: d
Explanation: Shiny apps have two components:user-interface script and server script.

10. All of the styled elements are handled through server.R.
a) True
b) False
View Answer

Answer: b
Explanation: All of the styled elements are handled through ui.R.

advertisement

Sanfoundry Global Education & Learning Series – Data Science.

Here’s the list of Best Books in Data Science.

To practice all areas of Data Science for entrance exams, Here is complete set of 1000+ Multiple Choice Questions and Answers.

If you find a mistake in question / option / answer, kindly take a screenshot and email to [email protected]

advertisement
advertisement
Subscribe to our Newsletters (Subject-wise). Participate in the Sanfoundry Certification contest to get free Certificate of Merit. Join our social networks below and stay updated with latest contests, videos, internships and jobs!

Youtube | Telegram | LinkedIn | Instagram | Facebook | Twitter | Pinterest
Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

Subscribe to his free Masterclasses at Youtube & discussions at Telegram SanfoundryClasses.