An R Autograder for PrairieLearn

• DOI: 10.48550/arxiv.2003.06500
• Publication Date: 2020-01-01
• Authors: Dirk Eddelbuettel; Alton Barbehenn
• Keywords: FOS: Computer and information sciences; Statistics - Other Statistics; Other Statistics (stat.OT)

We describe how we both use and extend the PrarieLearn framework by taking advantage of its built-in support for external auto-graders. By using a custom Docker container, can match our course requirements perfectly. Moreover, relying on flexibility interface customize container. A specific extension unit testing is described which creates context-dependent difference between student answers reference solution providing more comprehensive response at test time.