About R

R is an integrated suite of software facilities for data manipulation, calculation and graphical display

• Open source
• In-memory, single-core (by default), multi-platform
• Extensible environment
• Super-useful
• http://www.r-project.org/

How it hangs together

Top 10 packages

1. data.table
2. ggplot2
3. knitr
4. shiny
5. rmarkdown
6. RODBC
7. readxl
8. stringr
9. dplyr
10. httr

I lied…

1. foreach
2. doMC
3. magrittr
4. xtable
5. devtools
6. testthat
7. DiagrammeR
8. git2r
9. rvest
10. zoo