Using multiple R versions

Backup

tar -cvzf ~/Documents/R-backup.tgz $(ls -d /Library/Frameworks/R.framework/)

Backup Libraries

tar -cvzf ~/Documents/pkg-backup.tgz $(ls -d /Library/Frameworks/R.framework/Versions/[34]*/Resources/library)

https://rud.is/rswitch/

RSwitchrud.is

https://twitter.com/i/status/1265000050972901376twitter.com

https://twitter.com/hrbrmstr/status/1265227021325565955twitter.com

https://twitter.com/hrbrmstr/status/1265231556613943296twitter.com

R for macOS DevelopersR for macOS Developers

https://twitter.com/hrbrmstr/status/1265232240260386816twitter.com

R Installation and Administrationcran.r-project.org

pkgutil --forget org.r-project.R.el-capitan.fw.pkg

https://mac.r-project.org/high-sierra/R-4.0-branch/x86_64/R-4.0-branch.tar.gz

https://twitter.com/hrbrmstr/status/1265232589591384070twitter.com

https://mac.r-project.org/el-capitan/R-3.6-branch/R-GUI-7782-3.6-el-capitan-Release.dmg

https://mac.r-project.org/high-sierra/R-4.0-branch/R-GUI-7842-4.0-high-sierra-Release.dmg

https://twitter.com/hrbrmstr/status/1265233262072532994twitter.com

https://twitter.com/hrbrmstr/status/1265242686052843521twitter.com

https://twitter.com/hrbrmstr/status/1265242897290584064twitter.com

https://twitter.com/hrbrmstr/status/1265243912534478848twitter.com

https://twitter.com/hrbrmstr/status/1265244623045263364twitter.com

https://twitter.com/hrbrmstr/status/1265246351346012161twitter.com

https://twitter.com/hrbrmstr/status/1265265287580057600twitter.com