Data Science

Literate Statistical Programming

Question 1
Marks : +2 | -2
Pass Ratio : 100%
Dependencies are checked explicitly in caching caveats.
True
False
Explanation:
Dependencies are not checked explicitly in caching caveats.
Question 2
Marks : +2 | -2
Pass Ratio : 100%
Point out the correct statement.
An article is stream of code and text
Analysis code is divided in to code chunks only
Literate programs are tangled to produce human readable documents
None of the mentioned
Explanation:
Analysis code is divided in to code chunks and text.
Question 3
Marks : +2 | -2
Pass Ratio : 100%
Which of the following way is required to make work reproducible?
keep track of things
Save output
Save data in proprietary formats
None of the mentioned
Explanation:
Save data in NON proprietary formats to make work reproducible.
Question 4
Marks : +2 | -2
Pass Ratio : 100%
Some chunks have to be re-computed every time you re-knit the file.
True
False
Explanation:
All chunks have to be re-computed every time you re-knit the file.
Question 5
Marks : +2 | -2
Pass Ratio : 100%
Which of the following should be set on chunk by chunk basis to store results of computation?
cache=TRUE
cache=FALSE
caching=TRUE
none of the mentioned
Explanation:
After the first run. The results are loaded from cache.
Question 6
Marks : +2 | -2
Pass Ratio : 100%
Which of the following disadvantage does literate programming have?
Slow processing of documents
Code is not automatic
No logical order
All of the mentioned
Explanation:
Code and text is in one place.
Question 7
Marks : +2 | -2
Pass Ratio : 100%
Which of the following tool can be used for integrating text and code in one document?
knitr
ggplot2
NumPy
None of the mentioned
Explanation:
knitr is a way to write LaTeX, HTML, and Markdown with R code interlaced.
Question 8
Marks : +2 | -2
Pass Ratio : 100%
Which of the following is required for literate programming?
documentation language
mapper language
reducer language
all of the mentioned
Explanation:
Programming language is also required for literate programming.
Question 9
Marks : +2 | -2
Pass Ratio : 100%
What is the role of processing code in the research pipeline?
Transforms the analytical results into figures and tables
Transforms the analytic data into measured data
Transforms the measured data into analytic data
All of the mentioned
Explanation:
Data science workflow is a non-linear, iterative process.
Question 10
Marks : +2 | -2
Pass Ratio : 100%
Which of the following is useful way to put text, code, data, output all in one document?
Literate statistical programming
Object oriented programming
Descriptive programming
All of the mentioned
Explanation:
Object-oriented programming is a programming language model organized around objects rather than “actions” and data rather than logic.