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Data Analysis and Research
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Avg score: 75% • Most missed: “Which of the following problem is solved by reproducibility?”

MCQs on graphical devices and plotting systems, basics of reproducible research, clustering, exploratory graphs and basics of literate statistical programming.
 

Data Analysis and Research
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25 Questions

1. What is the role of processing code in the research pipeline?
2. Which of the following should be set on chunk by chunk basis to store results of computation?
3. Which of the following can be used for data analysis model?
4. Which of the following is required to implement a literate programming system?
5. Which of the following gave rise to need of graphs in data analysis?
6. Color and shape are used to add dimensions to graph data.
7. Which of the following function displays currently active graphics device?
8. Which of the following graph can be used for simple summarization of data?
9. Which of the following is similar to a pre-specified clinical trial protocol?
10. Which of the following global options are available for figures in knitr?
11. Which of the following way is required to make work reproducible?
12. Which of the following function is used for k-means clustering?
13. Which of the following is a vector file device?
14. Which of the following tool documentation language is supported by knitr?
15. Which of the following is required for literate programming?
16. Which of the following is a goal of literate statistical programming?
17. Which of the following disadvantage does literate programming have?
18. Which of the following block information is odd man out in the below figure?
5 number summary diagram5 number summary diagram"
19. Which of the following argument specifies margin size with regards to par function?
20. Which of the following will copy the plot from one device to another?
21. Which of the following clustering requires merging approach?
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