This tutorial on SQL teaches the most used commands. There is a short explanation, then the user is asked a simple question. If the typed answer is correct, the user continues to the next lesson.
Rseek.org is a search engine for R resources. Type any topic in the search box, and get resources that are R specific. You can further narrow your search to just articles, books, packages, support, or "for beginners."
This online software allows you to load data and make professional-looking graphs with it. Graph types are basic (scatterplot, line plot, bar charts, etc.), statistical (histograms, box plots), scientific (error bars, heat map, contour), 3D charts, and financial (e.g. time series). Other graphs are available with the paid pro version. Log in is required, which allows you to upload data and save it for next use.
This software makes it easier to use the R language. It includes a code debugger, editing, and visualization tools.
A reference for analyzing large, complex data sets. Helpful for various levels of students.
A cartoon for use in celebrations of Random Acts of Kindness Day which is an unofficial holiday in many countries typically celebrated in February. Cartoon by John Landers (www.landers.co.uk) based on the suggested illustrating text and concept from Larry Lesser (The University of Texas at El Paso). The cartoon was first displayed on the website http://www.worldofstatistics.org on Random Acts of Kindness day in February 2014. Free to use in the classroom and on course web sites or other non-profit teaching uses.