Here is some text. Lots of text. So much text.

**Gee this is fun!**

Let’s add a table, just for kicks.

hours of sun | happiness |
---|---|

0 | 1 |

3 | 4 |

5 | 7 |

7 | 10 |

`mean(iris$Sepal.Length)`

`## [1] 5.843333`

This summation expression \(\sum_{i=1}^n X_i\) appears inline.

This summation expression is in display form.

\[\sum_{i=1}^n X_i\]