Data Science

Literate Statistical Programming

Question 1
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 2
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 3
Marks : +2 | -2
Pass Ratio : 100%
Which of the following package by Yihui is built in to RStudio environment?
rpy2
knitr
ggplot2
none of the mentioned
Explanation:
It can be exported to pdf and html.
Question 4
Marks : +2 | -2
Pass Ratio : 100%
Which of the following tool documentation language is supported by knitr?
RMarkdown
LaTeX
HTML
None of the mentioned
Explanation:
knitr is available on CRAN.
Question 5
Marks : +2 | -2
Pass Ratio : 100%
Which of the following is required to implement a literate programming system?
A programming language like Perl
A programming language like Java
A programming language like R
All of the mentioned
Explanation:
R is a language and environment for statistical computing and graphics.
Question 6
Marks : +2 | -2
Pass Ratio : 100%
What does it mean to weave a literate statistical program?
Convert a program from S to python
Convert the program into a human readable document
Convert a program to decompress it
All of the mentioned
Explanation:
Literate Statistical Programming can be done with knitr.
Question 7
Marks : +2 | -2
Pass Ratio : 100%
Literate program code is live-automatic “regression test” when building a document.
True
False
Explanation:
Data and results are automatically updated to reflect external changes.
Question 8
Marks : +2 | -2
Pass Ratio : 100%
knitr supports only one documentation language.
True
False
Explanation:
knitr supports various documentation languages.
Question 9
Marks : +2 | -2
Pass Ratio : 100%
Original idea comes of Literate Statistical Practice from _______________
Don Knuth
Don Cutting
Douglas Cutting
All of the mentioned
Explanation:
Literate programs are tangled to produce machine readable documents.
Question 10
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.