1. Which of the following is also referred to as overlayed 1D plot?
a) lattice
b) barplot
c) gplot
d) all of the mentioned
Explanation: lattice is an add-on package that implements Trellis graphics.
2. Spinning plots can be used for two dimensional data.
a) True
b) False
Explanation: There are many ways to create a 3D spinning plot as well.
3. Which of the following problem is solved by reproducibility?
a) Scalability
b) Data availability
c) Improved data analysis
d) None of the mentioned
Explanation: More transparency is achieved with reproducibility.
4. Point out the correct statement with respect to replication.
a) Focuses on the validity of the data analysis
b) Focuses on the validity of the scientific claim
c) Arguably a minimum standard for any scientific study
d) All of the mentioned
Explanation: Data replication if the same data is stored on multiple storage device.
5. Which of the following is effective way of checking validity of data analysis?
a) Re-run the analysis
b) Review the code
c) Check the sensitivity
d) All of the mentioned
Explanation: Reproducibility addresses the most “downstream” aspect of the research process.
6. Which of the following is similar to a pre-specified clinical trial protocol?
a) Caching-based Data Analysis
b) Evidence-based Data Analysis
c) Markdown-based Data Analysis
d) All of the mentioned
Explanation: Evidence-based Data Analysis a deterministic statistical machine.
7. Point out the wrong statement with respect to reproducibility.
a) Focuses on the validity of the data analysis
b) The ultimate standard for strengthening scientific evidence
c) Important when replication is impossible
d) None of the mentioned
Explanation: Replication is particularly important in studies that can impact broad policy or regulatory decisions.
8. Which of the following can be used for data analysis model?
a) CRAN
b) CPAN
c) CTAN
d) All of the mentioned
Explanation: Different problems require different approaches and expertise.
9. Reproducibility determines correctness of data analysis.
a) True
b) False
Explanation: Reproducibility has nothing to do with validity of data analysis.
10. Which of the following step is not required in data analysis?
a) Synthesize results
b) Create reproducible code
c) Interpret results
d) None of the mentioned
Explanation: The data set may depend on your goal.