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Course 7 Week 5 Glossary _ DA terms and definitions

A data analyst wants to perform an analysis and make it easy for colleagues to understand his process and update the analysis a year from now. Which tool is best to achieve this objective?

A. Word Document

B. R Markdown

C. Code chunks

D. PDF document

The correct answer is B. R Markdown

A data analyst finishes editing an R Markdown notebook and wants to convert it to a new format they can share. What are their options? Select all that apply.

• Google Surveys
• Dashboards
• Slide presentations
• Word documents

Which code snippet implements the correct syntax for writing a piece of hyperlinked text in markdown?

A. link**www.coursera.com

B. >link–www.cousera.com<

C. (link)[www.coursera.com]

D. [link](www.coursera.com )

The correct answer is D. [link](www.coursera.com )

When you Knit a file in RStudio what part of code chunks are shown by default?

A. The delimiter

B. The YAML

C. The code

D. The output

The correct answer is D. The output

A data analyst comes across <www.coursera.com> in a piece of markdown text. What effect do the angle brackets (<>) have on the inner text?

A. They create a piece of inline code

B. They create a bullet list

C. They create bold text

D. They create a clickable link

The correct answer is D. They create a clickable link

A data analyst works with an .rmd file in RStudio and wants the ability to quickly find a code chunk using the label “analysis”. Which code example would allow the analyst to quickly access the code chunk using this label?

A. ```{analysis r}

B. ```{r analysis}

C. ```analysis{r}

D. ```{r} analysis

The correct answer is B. ```{r analysis}

What does the --- delimiter (three hyphens) indicate in an R Markdown notebook?

A. Bold text

B. Code chunk

C. Italic text

D. YAML metadata

The correct answer is D. YAML metadata

Why would a data analyst create a template of their .rmd file? Select all that apply.

• To prevent other users from editing the file
• To create an interactive notebook
• To customize the appearance of a final report
• To save time when creating the same kind of document

Your team already uses R. Why might they benefit from adopting R Markdown? Select all that apply.

• R Markdown performs analysis without writing code.
• R Markdown allows exporting reports that document your analysis.
• R Markdown makes it easy to reproduce an analysis.
• R Markdown allows adding code to slide presentations.

A data analyst wants to change the default file format that gets exported by the Knit button in RStudio. Where should they change the output format?

A. In the YAML metadata

B. In a code chunk

C. In the Contents menu

D. In markdown text

The correct answer is A. In the YAML metadata

A data analyst is reading through an R Markdown notebook and finds the text this is important. What is the purpose of the underscore characters in this text?

A. They style the text as bold

B. They wrap the text in a clickable link

C. They style the text as italics

D. They add the text as an image caption

The correct answer is C. They style the text as italics

When you Knit a file in RStudio what part of code chunks are shown by default?

A. The delimiter

B. The code

C. The YAML

D. The output

The correct answer is D. The output

Which pieces of markdown text will produce a result that is italicized? Select all that apply.

• * text
• _text_
• **text**
• *text*

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?

A. Documentation

B. Code chunk

C. Data plot

D. YAML

The correct answer is B. Code chunk

What does the ```{r} delimiter (three backticks followed by an r contained inside curly brackets) indicate in an R Markdown notebook?

A. The end of a code chunk

B. The start of a code chunk

C. The start of YAML metadata

D. The end of YAML metadata

The correct answer is B. The start of a code chunk

A data analyst is finalizing their work in an R Markdown notebook and wants to use a format that will allow them to control where page breaks happen. Which of the following export formats have page breaks? Select all that apply.

• HTML
• TXT
• PDF
• Word

A data analyst wants to perform an analysis and make it easy for colleagues to understand his process and update the analysis a year from now. Which tool is best to achieve this objective?

A. R Markdown

B. PDF document

C. Word Document

D. Code chunks

The correct answer ís A. R Markdown

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

A. dashboards

B. spreadsheets

C. YAML

D. tables

The correct answer is A. dashboards

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

A. They have too few hashtags

B. They have too many hashtags

C. They have too few asterisks

D. They have too many asterisks

The correct answer is B. They have too many hashtags

Fill in the blank: _____ code is code that can be inserted directly into a .rmd file.

A. YAML

B. Executable

C. Markdown

D. Inline

The correct answer is D. Inline

A data analyst wants to add a bulleted list to their R Markdown document. What symbol can they type to create this formatting?

A. Asterisks

B. Hashtags

C. Brackets

D. Delimiters

The correct answer is A. Asterisks

Which sample correctly implements a code chunk in a .rmd file?

A. ###

value <- 8

###

B. ```{r}

value <- 8

```

C. ```{!}

value <- 8

```

D. ---

value <- 8

---

The correct answer is B.

What delimiter is used to indicate the YAML metadata in an R Markdown notebook?

A. ---

B. ###

C. ```{r}

D. ```

The correct answer is A. ---

What type of export document should you use while you are working and don’t need to worry about adding page breaks in the correct places?

A. Word

B. PDF

C. HTML

D. YAML

The correct answer is C. HTML