Data Science Mock Test 6

10%

Question 1 of 10

1. Color and shape are used to add dimensions to graph data.

False

True

Question 1 of 10

Question 2 of 10

2. Which of the following should be set on chunk by chunk basis to store results of computation?

cache=TRUE

caching=TRUE

none of the mentioned

cache=FALSE

Question 2 of 10

Question 3 of 10

3. Which of the following is required to implement a literate programming system?

All of the mentioned

A programming language like R

A programming language like Java

A programming language like Perl

Question 3 of 10

Question 4 of 10

4. Which of the following tool documentation language is supported by knitr?

HTML

None of the mentioned

RMarkdown

LaTeX

Question 4 of 10

Question 5 of 10

5. Which of the following disadvantage does literate programming have?

All of the mentioned

Slow processing of documents

Code is not automatic

No logical order

Question 5 of 10

Question 6 of 10

6. Which of the following statement is used for importing knitr library?

lib(knitr)

library(knitr)

none of the mentioned

import knitr

Question 6 of 10

Question 7 of 10

7. Which of the following is suitable for knitr?

All of the mentioned

Data preprocessing documents

Technical manuals

Reports

Question 7 of 10

Question 8 of 10

8. What is the role of processing code in the research pipeline?

Transforms the measured data into analytic data

Transforms the analytical results into figures and tables

All of the mentioned

Transforms the analytic data into measured data

Question 8 of 10

Question 9 of 10

9. knitr is good for complex time-consuming computations.

True

False

Question 9 of 10

Question 10 of 10

10. Some chunks have to be re-computed every time you re-knit the file.

False

True

Question 10 of 10