Communication with RMarkdown

1 Footnotes

This is some text with a Footnote¹. This is a second Footnote².

1.1 What can RMarkdown be used for?

1. HTML Reports & PDF Reports
2. HTML Slide Decks & PowerPoint
3. Interactive Dashboards
4. Books with bookdown
5. Websites with blogdown

1.2 Key Resources

• RMarkdown Website with Gallery

• Key Reference: RMarkdown - The Definitive Guide

• PDF Printing Setup: tinytex

# PDF Knitting Setup: https://yihui.name/tinytex/ 
# install.packages("tintex")
# tinytex::install_tinytex()

2 Write with Markdown

3 Header 1

3.1 Header 2

3.1.1 Header 3

Plain text.

Type bold.

Type italics.

Type bold + italics.

Talk about code - the tidyverse is awesome

Unordered List:

• Item 1
• Item 2

Ordered List:

1. First point
2. Second point
3. More points

4 NEW HAMPSHIRE COUNTIES

4.1 GRAFTON

This is Tab 1

4.2 COOS

This is Tab 2

4.3 BELKNAP

BELKNAP COUNTY

4.4 NEW COUNTY

HELLO

5 Images

via the text section

PSU Logo

image via the code chunk

Plymouth State Logo

6 Code

# Import stock prices
stocks <- tq_get(c("TSLA", "AMZN"),
                 get = "stock.prices",
                 from = "2019-01-01",
                 to = "2025-09-13")
stocks

7 Plots

Plotting works as expected. Try changing:

• out.height, out.width and Knitting

Static plots:

g <- ggplot(data = stocks) + 
  geom_point(mapping = aes(x = volume, y = adjusted, color = symbol))

g

Revenue by Category

Interactive plots:

• Use ggplotly().

ggplotly(g)

8 Tables

Static Tables:

• knitr package - knitr::kable() - Simple to use, great with PDF

stocks %>% head() %>% knitr::kable()

symbol	date	open	high	low	close	volume	adjusted
TSLA	2019-01-02	20.40667	21.00867	19.92000	20.67467	174879000	20.67467
TSLA	2019-01-03	20.46667	20.62667	19.82533	20.02400	104478000	20.02400
TSLA	2019-01-04	20.40000	21.20000	20.18200	21.17933	110911500	21.17933
TSLA	2019-01-07	21.44800	22.44933	21.18333	22.33067	113268000	22.33067
TSLA	2019-01-08	22.79733	22.93400	21.80133	22.35667	105127500	22.35667
TSLA	2019-01-09	22.36667	22.90000	22.09800	22.56867	81493500	22.56867

Dynamic Tables:

• Potential Gotcha: Note that this will not print with format in PDF

stocks 

9 Footnotes

This is some text with a Footnote³. This is a second Footnote⁴.

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1. Citation for Footnote 1↩︎

2. Citatin for Footnote 2↩︎

3. Citation for Footnote 1↩︎

4. Citatin for Footnote 2↩︎