Coursera Google Data Analytics Professional Data Analysis with R Programming (Week 5) Quiz Answer-Documentation and reports.

 

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Question 1

A data analyst wants to create a shareable report of their analysis with documentation of their process and notes explaining their code to stakeholders. What tool can they use to generate this?

• Code chunks
• R Markdown
• Filters
• Dashboards

R Markdown is a file format for making dynamic documents with R. R Markdown documents can be used to save, organize, and document code; create a record of your cleaning process; and generate reports with executable code for stakeholders.

 

Question 2

Fill in the blank: R Markdown notebooks can be converted into HTML, PDF, and Word documents, slide presentations, and _____.

• spreadsheets
• dashboards
• YAML
• tables

R Markdown notebooks can be converted into HTML, PDF, and Word documents, slide presentations, and dashboards.

 

Question 3

A data analyst notices that their header is much smaller than they wanted it to be. What happened?

• They have too many asterisks
• They have too few hashtags
• They have too many hashtags
• They have too few asterisks

Hashtags can be used to change the font size of headers. The more hashtags you add, the smaller the header.

 

Question 4

A data analyst wants to include a line of code directly in their .rmd file in order to explain their process more clearly. What is this code called?

• Documented
• Inline code
• YAML
• Markdown

Inline code is code that can be inserted directly into a .rmd file.

 

Question 5

What symbol can be used to add bullet points in R Markdown?

• Exclamation marks
• Backticks
• Asterisks
• Brackets

Asterisks can be used to add bullet points to an .rmd file. Hyphens can also be used

.

 

Question 6

A data analyst adds a section of executable code to their .rmd file so users can execute it and generate the correct output. What is this section of code called?

• Code chunk
• Data plot
• YAML
• Documentation

Code added to a .rmd file is usually referred to as a code chunk. Code chunks allow users to execute R code from within the .rmd file.

 

Question 7

A data analyst is inserting a line of code directly into their .rmd file. What will they use to mark the beginning and end of the code?

• Delimiters
• Hashtags
• Asterisks
• Markdown

A delimiter is a character that indicates the beginning or end of a data

 

Question 8

If an analyst creates the same kind of document over and over or customizes the appearance of a final report, they can use _____ to save them time.

• a code chunk
• a filter
• a template
• an .rmd file

A template can save time when creating the same kind of document over and over or when customizing the appearance of a final report. 

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