Using R Markdown in RStudio

With the HTML report shown along side the .RMD file, notice that headings in the report are created when you include one or more hashtags (#) before the heading text, such as ## Including Plots. The more hashtags used, the smaller the heading font. # Including Plots creates a Header 1 style heading whereas ## Including Plots creates a Header 2 style heading.

Questions: A data analyst wants to find headers in their R Markdown document. What should they look for?

A. Semicolons

B. Hashtags

C. Spaces

D. Backticks

The correct answer is B. Hashtags. Explain: Hashtags are used for headers; for example, ### Results indicates that Results is a Header 3 style heading because there three hashtags.

The knit button can be used to save an R Markdown document as a shareable HTML report.

A. True

B. False

It is true statement. Explain: The knit button creates a shareable HTML report of the R Markdown file.

A data analyst has code chunks in their R Markdown file. How do they appear in an HTML report?

A. Generated output

B. HTML code

C. Attachments

D. Plain text

The correct answer is A. Generated output. Explain: The code chunks are run and the output appears in the HTML report.