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January 10, 2017 19:23
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Save RobertMyles/72757a6a3a92e9227d7e20e8d2246fd1 to your computer and use it in GitHub Desktop.
Updated R today and realized that I lost a load of packages that I had installed previously. Instead of re-installing them one by one, I just did this (it works for Mac OS, it'll be slightly different on Windows):
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| Old_packList <- as.list(installed.packages("/Library/Frameworks/R.framework/Versions/3.2/Resources/library")) | |
| # here, my R version was 3.2. Change it for the R version you want the packages from! | |
| Old <- as.character(Old_packList) | |
| install.packages(Old) |
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