Code School - Try R [http://tryr.codeschool.com/levels/5/challenges/1] - 2016-12-29 14:01:24 - public:Hans howto-tutorial, r - 2 | id:244459 -
Code School - Try R [http://tryr.codeschool.com/levels/2/challenges/18] - 2016-10-02 03:14:33 - public:Hans howto-tutorial, r - 2 | id:244528 -
Code School - Try R [http://tryr.codeschool.com/levels/1/challenges/17] - 2016-10-01 12:56:54 - public:Hans howto-tutorial, r - 2 | id:244530 -
The R Project for Statistical Computing [http://www.r-project.org/] - 2011-01-18 03:50:18 - public:Hans diagramm, r, software - 3 | id:244869 -
