1. Packages
Maria Novosolov

2. Packages A group of functions Two ways to install packages:
Through the CRAN RStudio
Download a .zip file and install it

3. Packages Installing ≠ Loading Two ways to load packages:
By clicking in the packages window
By writing library(package.name) in the script (or in the console)

4. Seeking for help Use the help() function Use ? + function name
Use F2 on a function in the script
Search the internet
Ask a friend that knows R

5. Anatomy of a Help Item in R
The package that it came from
What it’s called
What it does

6. Explains the options of the function
How to use the command in details – the syntax
Gives explanation about certain values in the command

7. A reference for who made the command
Related commands
Some examples of how to use the command

8. How a package file looks
Example: ‘Lattice’ package for graphics

9. Example: ‘caper’ package for phylogenetic analysis
vignettes
Example: ‘caper’ package for phylogenetic analysis

10. Use google!

11. Useful websites
R-blogger
Stack Overflow
Different R google groups