Thank you for a great experience! Here are some further learning resources:
Learning statistics using R: https://compcogscisydney.org/learning-statistics-with-r/ (open textbook)
Statistics--The Story of Numbers: https://itunes.apple.com/us/book/id1386332438 (another open textbook for teaching psych stats with R)
Open Stats Lab: https://sites.trinity.edu/osl
Markdown Syntax Cheatsheet: https://github.com/adam-p/markdown-here/wiki/Markdown-Cheatsheet
R Tutorials: Datacamp https://www.datacamp.com/