OpenIntro features a number of free books that can be used in high school and AP statistics courses. The license on these datasets is currently unknown. You can find out more about OpenIntro at https://www.openintro.org.
A comparison of cardiovascular problems for Rosiglitazone and Pioglitazone.
treatment - a factor with levels Pioglitazone and Rosiglitazone
cardiovascular_problems - a factor with levels no and yes
D.J. Graham et al. Risk of acute myocardial infarction, stroke,heart failure, and death in elderly Medicare patients treated withrosiglitazone or pioglitazone. In: JAMA 304.4 (2010), p. 411. issn:0098-7484.
Picostat is a web-based opensource statistical application framework based on Drupal 8 and ℝ. Drupal can be used to manage user datasets and perform basic statistical analysis with a NoCode end-user interface ideal for non-technical users. Custom applications can be easily integrated into the system using webforms and ℝ language syntax.