http://www.ploscompbiol.org/article/info%3Adoi%2F10.1371%2Fjournal.pcbi.0030116

The paper is come from above:

Adi introduced the main concepts and definitions in machine learning. He described supervised learning, unsupervised learning and thier applications in biology respectively in detail. And he also introduced the language R, which is an open source data analysis and visualization language.

R language:

 

Check CRAN Task View from here:

http://cran.r-project.org/web/views/MachineLearning.html