- How information is coded in numbers
- How these numbers are stored and organized
- How we interact with computers
- Start using an specific tool: RStudio
October 4th, 2016
This week
How to write a structured document
Markdown
An alternative to ordinary Word Processors is to use text files with a few rules to mark the role of each element.
Text files can be read with any computer, and will be accessible for ever.
Today the Structured Text format most often used is Markdown
Here we show some of the rules
Paragraphs
Consecutive lines of text are one paragraph. They are separated by an empty line
The first paragraph. Another paragraph
The first paragraph.
Another paragraph
Headers
First level header ================== Second level header ------------------- Normal text
First level headerSecond level headerNormal text
Headers
alternative format
# Header 1 ## Header 2 ### Header 3 #### Header 4
Header 1Header 2Header 3Header 4
Unordered List
+ Item 1
+ Item 2
+ Item 2a
+ Item 2b
- Item 1
- Item 2
- Item 2a
- Item 2b
Sub-lists are indented by 4 spaces
Ordered List:
1. Item 1
1. Item 2
1. Item 3
1. Item 3a
1. Item 3b
- Item 1
- Item 2
- Item 3
- Item 3a
- Item 3b
Images
Images on the web or local files in the same directory:
 
Tables
| | sample | dose | time | agent | |--------|----------|------|--------|------------------| | 1 | GSM91440 | low | 5 min | caffeine | | 2 | GSM91893 | low | 5 min | caffeine | | 3 | GSM91428 | low | 5 min | calcofluor white | | 4 | GSM91881 | low | 5 min | calcofluor white |
| sample | dose | time | agent | |
|---|---|---|---|---|
| 1 | GSM91440 | low | 5 min | caffeine |
| 2 | GSM91893 | low | 5 min | caffeine |
| 3 | GSM91428 | low | 5 min | calcofluor white |
| 4 | GSM91881 | low | 5 min | calcofluor white |
Computer code
Programs are usually written in a monospaced font
``` this <- is.computer(code) ```
this <- is.computer(code)
Header and metadata
At the beginning of the file
--- title: "Title" author: "Author's name" date: "4 October 2016" output: html_document ---
Notice that the block is wrapped by --- (three hyphens)
Format inside a paragraph
Links
This is a [clickable text](http://example.com). It can also be written in [a cleaner format]. [a cleaner format]: http://example.com
This is a clickable text. It can also be written in a cleaner format.
Emphasis
Inside the paragraph we can have *italics* and **bold** text
Inside the paragraph we can have italics and bold text
Inline code
We can speak about `x` and `data`
We can speak about
xanddata
Write in Markdown
How to solve it
by G. Polya
- You have to understand the problem.
- Find the connection between the data and the question. You should obtain a plan of the solution.
- Carry out your plan.
- Examine the solution obtained.
More information
read and learn it
- Help -> Markdown Quick Reference
- https://www.rstudio.org/links/r_markdown_cheat_sheet
- https://www.rstudio.org/links/r_markdown_reference_guide
- http://rmarkdown.rstudio.com/
- Google “Markdown”