1 Section

This is a section.

1.1 Subsection

This is a subsection.

This is how you can embed an R code chunk:

library(ggplot2)
data(mtcars)
ggplot(mtcars, aes(mpg, wt)) + geom_point() + geom_smooth()

library(swirl)
library(foreign)
library(lintr)
library(rmarkdown)
library(ggplot2)
library(dplyr)
library(tidyr)

This is how you can run in-line R code. The product of 3 and 4 is 12.

End a line with two spaces to start a new paragraph.

This is how you write italics (or italics), bold, verbatim code, subscript2, superscript2, endash: –, and emdash: —.

An equation looks like this: $$A = \pi \times r^{2}$$

An equation block looks like this: $E = mc^{2}$

An array of aligned equations looks like this:

$\begin{eqnarray} 1 + 1 & = & 2\\ 1001 + 1 & < & 200000 \end{eqnarray}$

This is how you make a comment that will not show in the output document:

This is an unordered list:

• item 1
• sub-item 1 (indent 4 spaces)
• sub-item 2
• sub-sub-item 1 (indent 8 spaces)
• item 2 (add 2 spaces)
Continued (indent 4 spaces)

This is an ordered list:

1. item 1
2. item 2
1. sub-item 1 (indent 4 spaces) (add 2 spaces)
A. sub-sub-item 1 (indent 8 spaces)

RMarkdown is very case sensitive. Every indented / added space and every empty line matters.