http://faculty.marshall.usc.edu/gareth-james/ISL/ISLR%20Seventh%20Printing.pdf,An Introduction to Statistical Learning,https://github.com/iamericfletcher/awesome-r-learning-resources#readme,Learning error: <HTTPError 404: 'Not Found'> | reason: Not Found
https://www.blackgirlscode.com/donations.html,Black Girls Code,https://github.com/iamericfletcher/awesome-r-learning-resources#readme,Learning error: <HTTPError 404: 'Not Found'> | reason: Not Found
https://www.youtube.com/c/TheLearnR/videos,Numyard,https://github.com/iamericfletcher/awesome-r-learning-resources#readme,Learning error: <HTTPError 404: 'Not Found'> | reason: Not Found
https://rstudio.github.io/shiny/tutorial/,Building Shiny Applications with R Tutorial (Deprecated),https://github.com/iamericfletcher/awesome-r-learning-resources#readme,Learning error: <HTTPError 404: 'Not Found'> | reason: Not Found
https://data-flair.training/blogs/r-tutorial/,R Tutorial – Be a Data Science rock star with R,https://github.com/iamericfletcher/awesome-r-learning-resources#readme,Learning error: timeout('The read operation timed out') | reason: 