transferring installed packages to a different installation of R

June 8, 2017
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(This article was first published on Hui Tang's R Site, and kindly contributed to R-bloggers)

A user suggested that the loop isn’t necessary. Simply do

install.packages(installedpackages)

HLP/Jaeger lab blog

It used to take me a while to reinstall all the R packages that I use after upgrading to a new version of R.  I couldn’t think of another way to do this than to create a list of installed packages by examining the R package directory, and to manually select and install each one of those packages in the new version of R.  In order to ensure that my home and office installation of R had the same packages installed, I did something similar.

I recently discovered that there is a much, much easier way to transfer the packages that you have installed to a different installation of R.  I found some R code on the web that I adapted to my needs.  Here is what you need to do:

1. Run the script “store_packages.R” in your current version of R.

# store_packages.R # # stores a list of…

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