2018-12-07

- a free software for data analysis
- an interpreted programming language, derived from `S-plusâ€™
- initially developed by R. Ihaka and R. Gentleman (1996)
- currently developed by the R Core Team (20 people)
- largest collection of tools for data analysis (1,000s of contributors)

- The
**R**project: www.r-project.org - archiving / distribution network CRAN:

cran.r-project.org/mirrors.html - available on Windows, MacOSX, Linux

- basic statistics: statistical tests, linear modelling, multivariate analysis
- spatial statistics: GIS, mapping, clustering
- graph theory: social sciences, network analysis, graph algorithm
- genetics: phylogenetic trees, genetic markers, genomics
- epidemiology!
- much more: see
*task views*cran.r-project.org/web/views/

- Freedom =
*ability to make informed decisions* - you donâ€™t pay for it
- the code is accessible by anyone
- anyone can use, modify and share the code