Example modeled after http://rmarkdown.rstudio.com/authoring_basics.html
The R source that made this document.

Emphasis

*italic*   **bold**

_italic_   __bold__

italic bold

italic bold


Horizontal Rule / Page Break

Three or more asterisks or dashes:

******

------



Headers

# Header 1

## Header 2

### Header 3

Header 1

Header 2

Header 3


Lists

Unordered List:

* Item 1
* Item 2
    + Item 2a
    + Item 2b
  • Item 1
  • Item 2
    • Item 2a
    • Item 2b

Ordered List:

1. Item 1
2. Item 2
3. Item 3
    + Item 3a
    + Item 3b
  1. Item 1
  2. Item 2
  3. Item 3
    • Item 3a
    • Item 3b

R Code Chunks

R code will be evaluated and printed

{r}
summary(cars$dist)
summary(cars$speed)
summary(cars$dist)
##    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
##    2.00   26.00   36.00   42.98   56.00  120.00
summary(cars$speed)
##    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
##     4.0    12.0    15.0    15.4    19.0    25.0

Inline R Code

There were ` r nrow(cars)` cars studied

There were 50 cars studied


Images

Images on the web or local files in the same directory:

![alt text](http://www.iana.org/_img/2013.1/iana-logo-header.svg)

alt text


Blockquotes

A friend once said:

> It's always better to give
> than to receive.

A friend once said:

It’s always better to give than to receive.


Inline Code

We defined the `add` function to
compute the sum of two numbers.

We defined the add function to compute the sum of two numbers.


LaTeX Equations

Inline equation:

This is the best equation ever $y=x^2/2$.  But this one isn't too shabby either, $\sum_{i=1}^n X_i$.  Don't forget to escape the `sqrt`, $\sqrt{b^2 - 4ac}$

This is the best equation ever \(y=x^2/2\). But this one isn’t too shabby either, \(\sum_{i=1}^n X_i\). Don’t forget to escape the sqrt, \(\sqrt{b^2 - 4ac}\)

Display equation:
This is a decent equation, too.

$\sum_{i=1}^n X_i$

\(\sum_{i=1}^n X_i\)


Tables

|Header |Column 1 | Column 2 | Column 3  |
|:--- |:---- |:----:| ----:|
|1. Row| is | is | is  |
|2. Row| left | nicely | right  |
|3. Row| aligned | centered | aligned  |  
Header Column 1 Column 2 Column 3
1. Row is is is
2. Row left nicely right
3. Row aligned centered aligned

Reference Style Links and Images


Manual Line Breaks

End a line with two or more spaces:

Roses are red,  
Violets are blue.  

Roses are red,
Violets are blue.


Miscellaneous

superscript^2^

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superscript2

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