If you get the following errors shown below:Įrror in download.file(URL, destfile = …) :Įrror in file(con, “r”): cannot open the connectionīased on the comments on Stack Overflow. # copy packages to the newest R installation from the one version before itĬ(from, to) Possible Errors and Troubleshooting Install.R() # download and run the latest version R installer ![]() ![]() You can also break the previous steps into individual functions and choose what to run using the corresponding function:Ĭ() # if newer version R available or not You can open the new Rgui and close the current session of the old R.After the packages are moved (and the old ones possibly erased), you can choose to update all of the packages in the new version R. ![]()
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